Art NO.	Description	CAS NO.	Specifications
ALK0019A	ε-Polylysine	25988-63-0	96.5%
ACN0019A	Nisin	1414-45-5	1225IU/mg
DCG0075A	Natamycin	7681-93-8	95.8%
ACJ0074B	Chitosan	9012-76-4	Pharmaceutical grade
ACJ0074C			Food grade
ACJ0074A			Industrial grade
DCE0057A	lysozyme	12650-88-3	20,000 u / mg
AKA0130E	Tea Polyphenols	84650-60-2	Fat-soluble liquid-LTP45%
AKA0130F			Fat-soluble liquid-LTP90%
AKA0130G			Fat-soluble powder -LTP90%
AKA0130H			Fat-soluble powder -LTP70%
AKA0130I			EGCG90% fat-soluble powder
AKA0130D			Water-soluble EGCG70%
AKA0130A			Water-soluble EGCG60%
AKA0130C			Water-soluble EGCG40%
ACN0023B	Methyl 4-hydroxybenzoate	99-76-3	98.0-102.0 %
ACN0024A	Ethyl 4-hydroxybenzoate	120-47-8	98.0-102.0 %
ACN0034A	Propylparaben	94-13-3	98.0-102.0 %
ACN0034A	Butyl paraben	94-26-8	98.0-102.0 %

ε-Polylysine

【CAS NO.】：25988-63-0
【molecular formula】：150,000-300,000 
【molecular weight】： L-Lys-(L-Lys)n-L-Lys·xHBr
【synonym】：L-Lysine, homopolymer, Lysine homopolymer, Lysine homopolymer
ε-Polylysine is metabolite of white streptomycete. ε-Polylysine has significant inhibition on both Gram positive bacteria and negative bacteria, fungi, viruses, etc., it also has good effects on the inhibitory of Gram-negative bacteria Escherichia coli and Salmonella which is difficult to inhibit by other preservatives. It also inhibits heat resistant Bacillus and some viruses with high inhibitory efficiency. ε-Polylysine is a kind of direct chain polymer of lysine and can be decomposed into  lysine in human body, it can be digested and absorbed completely by the body without any side effects, it also can be used as a source of lysine , it is a kind of natural, efficient and safe food preservative.
【Product feature】:
It can effectively inhibit Gram-positive bacteria, Gram-negative bacteria, molds and yeasts, etc.;
It can extend food shelf life; 
It has good thermal stability and does not decompose at high temperatures (120 º C, 20min), it  can be used before and after heat treatment; 
The add volume is little while ensures food quality, so the cost is saved to some extent.
It can replace part of the chemical preservatives to meet customer and consumer demand for natural preservatives.
【Application】:
ε-Polylysine was approved by FDA as safe food preservative in Oct 2003. it has been widely used in food preservation. In food applications, ε-polylysine is often used in conjunction with other materials, such as alcohol, organic acids, esters and so on. It can be used in preservation of rice, cakes, pasta, sauce, beverage, wine, meat, canned food, etc. 
【Quality specification】：Art.No. ALK0019A

Test Items	Results
Appearance	white powder
Identification	complies
Moisture content	5.31%
PH of 1% aqueous solution	6.36
Heavy metals	Pb	0.319mg/kg
	AS2O3	＜2mg/kg
Ash	1.89%
ε-polylysine purity (calculate based on ε-PL·HCL)	96.5%
Aerobic bacterial count	complies
Coliform bacteria	absent
Salmonella in 25g	absent

【Usage】: 
Suggest to formulate 5-10% solution using this product with cold water or distilled water, then add foods into it and mix them fully, the add volume should expand step by step to mix uniformly. It can be combined with other substances to attain better effects.
【Packing】: 
There are 2 packing of 100g / bottle or 500g / bottle, it also can be based on customer demand.
【Storage】:
It should be stored in airtight, dry, cool and clean place at the temperature of 0 ~ 10 ℃, the shelf life is 2 years.

Nisin

【CAS NO.】: 1414-45-5
【Molecular formula】: C143H230N42O37S7
【Molecular weight】: 3354.0705
【synonym】：nisin from streptococcus lactis
Nisin is a kind of peptide compounds extracted from fermented product by Streptococcus. It can effectively inhibit growth and reproduction of Gram-positive bacteria which cause food corrupt , especially it has a strong inhibitory effect on heat-resistant Bacillus , Clostridium botulinum , Listeria monocytogenes and spores , it can be used as preservatives of meat products, dairy products, plant protein foods, canned food and so on. Since Nisin is a polypeptide and will be easily decomposed by plant protein after entering into human body, and therefore it is a safe, non-toxic, highly efficient natural food preservative.

【Application】：

Product	Content	Maximum amount（g/kg）	Applications
Nisin	Nisin and NaCl	0.2	Can , vegetable protein drinks
		0.5	Milk and dairy products
		0.5	Cooked meat, meat prefabricated
		0.15	Coffee drinks, tea drinks, vinegar
		0.2	Milk drinks
		0.2	Soy sauce, paste and sauce  products
		0.2	Complex seasonings
		0.25	Other Cereal Products (only cereal sausage products)
		0.25	Convenience rice products (only rice sausage products)
		0.15	Convenience rice products (only convenient wet rice products)
		0.5	Cooked aquatic product (can be directly eaten )
		0.25	Egg products (changing its physical properties)

【Product Features】:
• It can effectively inhibit the Gram-positive bacterium Bacillus , such as heat resistant Bacillus , Clostridium botulinum , Listeria monocytogenes and the spores , it also can inhibit some Gram-negative bacteria under certain conditions;
• It can improve food quality and extend shelf life ;
• Reduce the return rate of goods ;
• It has good thermal stability , the activity loss is little after heat treatment ;
• Add volume is little which can save cost;
• It can replace part of the chemical preservatives to meet customer and consumer demand for natural preservatives .
【Quality specification】：Art.No. ACN0019A

Test Items	Standard	Results
Appearance	light brown to milky white powder	Complies
Identification	Max 3.00%	1.76%
Moisture content	6.0-9.0%	8.50%
Pb	MAX 1 mg/kg	Not detected
Sodium chloride	MIN 50%	Complies
Hydrous potency	MIN 900IU/mg	1225IU/mg
Aerobic bacteria(MPN/100g)	MAX10cfu/g	Complies
Coliform bacteria(MPN/100g)	MAX30(MPN/100g)	Absent
Salmonella E IN 25g	Absent	Absent
Conclusion: The above specifications confoum with QB2394-2007

【Usage】: 
Mix it with distilled water or cold water and formulate 5% solution, then add foods into it and mix them well, the add volume of food should expand step by step to get an effect of uniform mixing. It can be used compounded with other preservatives, the reference amount is 0.03-0.2g/kg. 
【Packing】: 
There are 3 specifications: 100g / bottle, 500g / bottle and 1kg / bag, it also can be tailored based on customer demand. 
【Storage conditions】: 
Airtight, dry, shady and cool. At the temperature of 0-10 ℃, the shelf life is two years.

Natamycin

【CAS NO.】：7681-93-8
【molecular formula】：C33H47NO13
【molecular weight】：665.73
【synonym】：Pimaricin, pimafucin
Natamycin is also called Pimaricin, it is a kind of antifongin, with broad-spectrum and double effect of anti-fungal function. It can inhibit not only the growth of a variety of fungi and yeast , but also the generation of fungal toxin. Natamycin contains 50% active ingredient. Just small amount of Natamycin can inhibit all molds and yeasts which can cause food corruption. Natamycin has no inhibition effect on bacteria, so it does not affect the natural maturation process of yogurt, cheese, ham and dry sausage.
【Product Features】: 
• It can effectively inhibit the growth and multiplication of mold and yeast in the food; 
• It can improve the food quality and extend shelf life of food; 
• Reduce the return rate of goods and economic loss of customers; 
• It has no inhibitory effect on the bacteria growth (does not affect the yogurt, cheese, dry sausage, ham's natural maturation process); 
• Add volume is little and can ensure food quality, it can save cost to some extent,; 
• It can replace part of the chemical preservatives and meet consumer demand for natural preservatives.
【Quality specification】：Art.No. DCG0075A

Test Items	Standard	Results
Appearance	White crystalline powder	Complies
Purity	90-102%	95.8%
Moisture content	6.0-9.0%	8.50%
PH	5.0-7.5	6.98
Total plate counts	MAX 100cfu/gram	45cfu/g
Pb	MAX 1 ppm	Not detected
AS2O3	MAX 2 ppm	Complies
Particle size	200mesh≥90%	Complies

【Application】:

Product	Content	Maximum  amount（g/kg）	Application field
Natamycin	Natamycin and lactose	0.3 g/kg	Cheese
		0.3 g/kg	Pastry
		0.3 g/kg	Sauce braised pork products category
		0.3 g/kg	Smoked, burned, grilled meat
		0.3 g/kg	Fried meat
		0.3 g/kg	Ham (smoked, cooked ham) category
		0.3 g/kg	Meat sausage class
		0.3 g/kg	Fermented meat products category
		0.02 g/kg	Mayonnaise, salad dressing
		0.3 g/kg	Fruit and vegetable juice (pulp)
		0.01 g/L	Brewed wine
		……	……

【Usage】:
Add it directly or make some surface treatment (suspension spray or immersion). 
【Packing】: 
There are two specifications of 100g / bottle and 500g / bottle, it can also be based on customer demand. 
【Storage】: 
It should be stored in airtight closed, dry, cool, clean place, at 0 ~ 10 ℃ conditions, the shelf life of 12 months.

Chitosan

【CAS NO】：9012-76-4
【Molecular formula】：(C6H11NO4)N 
【Synonym】: beta-1,4-Poly-D-glucosamine; Deacetylated chitin; Poliglusam; Poly-D-glucosamine; 
Chitosan is also called chitin deacetylase, it is obtained through deacetylation of chitin which is widespread in nature, the chemical name is polydextrose amine (1-4) -2 - amino-BD glucose. Generally if the N-acetyl is off up to 55% it can be called chitosan. 
【Application】:
1Food: It can be used in food and beverage as an antibacterial agent , fruit and vegetable antistaling agent , clarifying agents. 
2 Health Care products: It can be used as hemostatic agents to promote blood clotting and wound healing, it can be used as drug -release matrix and be used to make artificial tissues, organs and skin, it has immunoregulation activity. 
3 Cosmetic: Chitosan for Cosmetic special use has good moisture absorption , moisturizing , conditioning, antibacterial and other functions; It is applied in moisturizer, shower gel, face cream, mousse , upscale cream , lotion and gel etc. 
4 Flocculant: Chitosan and its derivatives have good flocculation and clarification function. It has good effects on water purification.
5 Agriculture, feed, bait: Chitosan is raw materials of foliar fertilizer which is a natural plant growth and nutrition promoting agents, it has good nutritional value for animals after ingestion and absorption. 
6 UTA (sorbent ): Chitosan specially used for UTA is a series of chitosan products through special processing ; It can effectively absorb protein and the absorption rate is 40% higher than common chitosan.
7 Tobacco ( tobacco gum ): It can be uniformly mixed with cut tobacco and enhance the tensile strength, water resistance, bursting , cigarette combustion performance can be significantly enhanced, cigarette hybrid gas can be reduced obviously and smoke flavor can get improved , it can effectively inhibit tobacco mildew and extend storage time.
Pharmaceutical grade, food grade and industrial grade 
【Properties】: 
White, non-toxic, tasteless, translucent amorphous solids, soluble in acid, insoluble in water and alkali, not soluble in common organic solvents. It decompose at the temperature of 185 ° C . 
【Application】: 
It’s widely used in textile, printing and dyeing, leather, paints, cigarettes, plastics, cosmetics, food, fodder, medicine, health, color film, bio-engineering, agricultural crop protection, sewage treatment and so on. 
【Quality specification】:

Test Items	Pharmaceutical grade	Food grade	Industrial grade
Appearance	White powder	White powder	White or light yellow translucent sheet or powder
Deacetylation degree *	>90%, 95%	>85%, 90%, 95%	>70%, 80%, 85%
Art.No.	ACJ0074B	ACJ0074C	ACJ0074A
pH	7.0-8.0	7.0-8.0	7.0-8.0
Loss on drying	<8.0%	<10.0%	<12.0%
Residue on ignition	<1.0%	<1.5%	<2.0%
Insoluble substance	<1.0%	<1.0%	<2.0%
Heavy metals (as Pb)	≤10ppm	≤10ppm
Arsenic	≤0.5ppm	≤0.5ppm
Total number of colonies	≤1000cfu/g	≤1000cfu/g
Viscosity **	50-800mpa.s
Granularity	40mesh, 60mesh, 80mesh, 100mesh

* ① We can provide high purity degree of chitosan which deacetylation degree > 95%. 
** ② The viscosity is measured in chitosan acetate solution at the temperature of 20℃, 1℃. The product which Viscosity <50mpa.s can be provided based on customer needs.
【Packing】: 
Pharmaceutical grade and food grade product is packed with cardboard drum, the specifications include 20.0kg/drum, 25.0kg/drum, the size of drum is respectively 38.0cm × 48.0cm and 42.0cm × 60.0cm, it also can be tailored based on user requirements. 
viscosity chitosan. Different uses chitosan, different requirements for product quality, the company can organize production according to user needs. 
【Storage】: 
Store in a dry, clean, cool place. Transportation gently, shall not be mixed with the shipment of hazardous, toxic and easy contaminated items, rain is strictly prohibited.

High Density Chitosan

The density (≥ 0.8g/ml) of High density chitosan is 2 to 3 times the normal type, the oil absorption capacity is 3 times of the same volume normal chitosan. Generally just take one capsules can absorb a large amount of instant fat, cholesterol and chloride ions under acid conditions in short time. It will flocculate in the intestine but not be absorbed, then it can be directly excreted out of body to achieve the target of weight loss, lowering blood pressure and lowering blood pressure. 
【Quality specification】：

Test items	High Density Chitosan	Super high density Chitosan
Appearance	Off –white powder	Off –white powder
Bulk Density	>0.6g/ml	>0.85g/ml
Deacetylation degree	85%, 90%, 95%	85%, 90%, 95%
Art.No.	ACJ0059A	ACJ0059B
PH value	7.0-8.0	7.0-8.0/td>
Loss on drying	<10.0%	<10.0%
Residue on ignition	<1.5%	<1.5%
Insoluble substance	≤1.5%	≤1.0%
Heavy Metal	≤10ppm	≤10ppm
Arsenic	≤0.5ppm	≤0.5ppm
Viscosity	50-800mpa.s	50-800mpa.s
Granularity	≥100mesh	≥100mesh
Total number of colonies	≤1000cfu/g	≤1000cfu/g
Yeasts and molds	≤100cfu/g	≤100cfu/g
Escherichia coli	Not detected	Not detected
Salmonella	Not detected	Not detected

Specific molecular weight (20000-300000) chitosan is also can be provided based on customer requirements.
【Packing】: 
It packed with cardboard drum (360mm × 470mm) internally lined with two layers of polyethylene film, there is 25.0kg in each drum, it also can be provided based on customer requirements. 
【Storage】: 
It should be stored in dry, clean and cool place. It should be gently transported and loaded without being mixed with hazardous, toxic and easy contaminated goods, it should be strictly protected from rain.

Lysozyme

【CAS NO】：12650-88-3
【EINECS NO】：235-747-3
【molecular weight】：About 14000
【synonym】：Reduced lysozyme, Mucopeptide glycolhydrolase, Muramidase; 
Lysozyme is a kind of glycosidase enzyme which is composed of 129 amino acid residues belonging to18 categories, it has 4 SS bonds with molecular weight of 14,307. It specially acts on the hydrolases in cell wall of microbial, it exists in a variety of tissue and secretion of human and animal, and also exists in some plants and microorganisms. It can dissolve the cell walls of Gram-positive bacteria and plays a strong role in killing the bacteria, it also can be used to crystallize the protein lysozyme preparations and prevent food spoilage, it is widely used in food preservation (especially cheese , sake production), medicine (tablets, capsules, eye drops, throat fluid), daily chemical product (toothpaste, cosmetics), baby food (breast milk powder) and scientific research. 
【Product Features】: 
1, As a natural preservative lysozyme has unique advantages of strong antibacterial, safe, non-toxic, good thermal stability, broad spectrum and others. 
2, Lysozyme is a kind of protein that changes stable in different pH value, it thermally stable under acidic conditions. Through bio-engineering technology, it can regulate proteins PH value and prepare sperm with absorption and separation by ion exchange resin, the enzyme activity is greater than 18,000 u / g and attains pharmaceutical grade standards. 
3, Lysozyme can dissolve bacterial cells and especially has a strong effect on Gram-positive bacteria. It has various properties of the antibiotic, because it has decomposition function for glycoproteins of cell wall (mucin) of polysaccharides, it can decompose chitin and chitin glycol to get carbonate, chloride and nitrate crystallization etc. 
【Product Character】: light yellow or white solid powder
【Specifications】: 20,000 u / mg ，food grade or pharmaceutical grade Art.No. DCE0057A
【 Applications】:
1, Lysozyme is a kind of non-toxic protein with no side effects, it also has certain function of bacteriolysis and can be used as natural food preservative. Now it is widely used as preservative in aquatic products, meat , cakes , sake , wine and beverage ; It also can be inserted into milk powder to people emulsify the cow milk to inhibit the corruption microbial survival in the intestinal tract , while promoting proliferation of intestinal bifidobacteria directly or indirectly.
2, As a non-specific immune factors which exist in normal human body fluids and tissues, lysozyme has a variety of pharmacological effects with anti-bacterial, anti-viral and anti-tumor effect, which is currently indicated for lysozyme bleeding, hematuria , bloody sputum and rhinitis  in medical.
3, Lysozyme has the function of destructing the structure of bacterial cell wall, it can treat G+ bacteria to obtain protoplasts, it is a kind of indispensable tool enzyme in genetic engineering and cell fusion operation in cell engineering,.
【Using conditions】:
Hen egg white lysozyme as a typical representative of lysozyme is a kind of stable protein , the optimum pH is 4-6.5 , the optimum temperature is 35 ℃, the optimum amount to be added must be according to specific production circumstances.
【Storage】: 
Suggest to keep in cool, dark and dry conditions, the temperature is below zero. 
If it is stored too long or the storage condition is adverse, the enzyme activity will be reduced in varying degrees; If the temperature and humidity is too high, the amount to be added should be increase appropriately when using. 
 【Packing】: 
It is packed with plastic bags, 0.5kg × 10 packets / box; 0.5kg × 20 packets / box

Tea polyphenols

【CAS NO】：84650-60-2 
【EINECS NO】：200-053-1 
【molecular formula】：C17H19N3O
【molecular weight】：281.36
【synonym】：Camelliasinensis, GTP, Catechin
Tea polyphenols has strong antioxidant function, its antioxidant capability is  4-6 times the synthetic antioxidant BHT, BHA , 6-7 times the VE and 5-10 times the VC. The amount is very little,0.01-0.03% dosage can work without the potential toxic side effects of compound; Catechin has protective effect on pigment and vitamins in food which can maintain the original color and nutrition levels for long time, and effectively prevent food and edible oil from corruption and eliminates odors. 

Fat-soluble Polyphenols 
Polyphenols (fat-soluble) liquid-LTP45%  
Art.No. AKA0130E
Red-brown oily liquid 
Fat-soluble polyphenols content ≥ 45% 
Suggested usage: 0.4g/kg-1g/kg 

Polyphenols (fat-soluble) liquid-LTP90%  
Art.No. AKA0130F
Red-brown oily liquid 
Fat-soluble polyphenols content ≥ 90% 
Suggested usage: 0.2g/kg-0.6g/kg

Polyphenols (fat-soluble) powder-LTP90%  
Art.No. AKA0130G
Red-brown powder 
Fat-soluble polyphenols content ≥ 90% 
Suggested usage: 0.2g/kg-0.6g/kg
【Application】: Food, various fat, seasoner, meat product, aquatic product, pet food and feed etc.

Polyphenols (fat-soluble) powder-EGCG70%  
Art.No. AKA0130H
Pale brown powder 
EGCG content ≥ 70% 
Suggested usage: 0.2g/kg-0.6g/kg 
【Applications】: cosmetics, dairy products, specialty fats, flavors and fragrances, etc. 
EGCG90% fat-soluble powder  
Art.No. AKA0130I
White powder 
EGCG content ≥ 90% 
Suggested usage: 0.2g/kg-0.4g/kg 
【Applications】: cosmetics, dairy products, specialty fats, flavors and fragrances, etc.

Water-soluble polyphenols
It’s mainly used for pastries, dairy products, beverages, fresh fruit and vegetables, meat products, edible oil storage and so on. 

Water-soluble polyphenols-EGCG70%  
Art.No. AKA0130D
Product Information: 
Appearance, mayonnaise, Odor: dark brown powder, tea aroma, taste bitter; 
Physical properties: stability is very strong, it can remain stable for 1.5 hours in the condition that the PH value is4-8 and temperature is around 250 ℃, it’s easily decomposed under ferric ions. 
Specifications: 
Caf ≤ 10%, TP ≥ 90%, EGCG ≥ 40%; 
Caf ≤ 2%, TP ≥ 95%, EGCG ≥ 60%; 
Caf ≤ 1%, TP ≥ 99%, EGCG ≥ 70%; (available upon request); 
Solubility: Easily soluble in warm water (40 ℃ -80 ℃) and aqueous ethanol; 
【Pharmacological effects】: 
1, anti-cancer 
2, prevention and treatment of cardiovascular disease 
3, improve the body's integrated immunity  
4, other healthcare effects 
① anti-lipid peroxidation, prevent aging 
② anti poisoning of heavy metal salts and alkaloids
③ anti radiation damage, mitigate the adverse effects of radiotherapy 
④ prevent dental caries and solid tooth, remove bad breath 
⑤ aid digestion 
⑥ help skin care

Water-soluble polyphenols-EGCG60%  
Art.No. AKA0130A
Product Information: 
Appearance, mayonnaise, Odor: dark brown powder, tea aroma, taste bitter; 
Physical properties: stability is very strong, it can remain stable for 1.5 hours in the condition that the PH value is4-8 and temperature is around 250 ℃, it’s easily decomposed under ferric ions. 
Specifications: 
Caf ≤ 10%, TP ≥ 90%, EGCG ≥ 40%; 
Caf ≤ 2%, TP ≥ 95%, EGCG ≥ 60%; 
Caf ≤ 1%, TP ≥ 99%, EGCG ≥ 70%; (available upon request); 
Solubility: easily soluble in warm water (40 ℃ -80 ℃) and aqueous ethanol;

Water-soluble polyphenols-EGCG40%  
Art.No. AKA0130C
Product Information: 
Appearance, mayonnaise, Odor: dark brown powder, tea aroma, taste bitter; 
Physical properties: stability is very strong, it can remain stable for 1.5 hours in the condition that the PH value is4-8 and temperature is around 250 ℃, it’s easily decomposed under ferric ions.
Specifications: Caf ≤ 10%, TP ≥ 90%, EGCG ≥ 40%; 
Caf ≤ 2%, TP ≥ 95%, EGCG ≥ 60%; 
Caf ≤ 1%, TP ≥ 99%, EGCG ≥ 70%; (available upon request); 
Solubility: easily soluble in warm water (40 ℃ -80 ℃) and aqueous ethanol; 
【Packing】: 1kg, 10kg, 25kg, etc.; 
【Storage】: 
It should be stored in cool, dry and airtight place, it should be sealed. It can’t be used together with strong acid and alkali and in transition metal appliances.

Paraben

Paraben has stronger anti-bacterial properties than benzoic acid, sorbic acid because of its phenolic hydroxyl structure. It is white crystalline powder or colorless crystals, it is easily soluble in alcohol, ether and acetone, very slightly soluble in water, the boiling point is 270-280 ℃. It is a kind of powder colored milky white to brown, odorless and tasteless, it’s very easy to absorb moisture and block. It’s a class of non-ionic surfactants which is a combination of sucrose and fatty acid. It’s edible and harmless to human health with excellent biodegradability can. It is a highly effective emulsion stabilizer. 
【Application】：
It is mainly used as antiseptic in organic synthesis, food, cosmetics and medicine, it is also used as preservative of animal feed. 
Methyl 4-hydroxybenzoate 
【CAS NO】：99-76-3 
【EINECS NO】：202-785-7 
【molecular formula】：C8H8O3
【molecular weight】：152.10
【synonym】：4-(carbomethoxy)phenol; Methyl parasept; metaben; methaben; methyl butex; 
Quality specifications: Art.No. ACN0023B

Items	Specification
Appearance	white crystalline powder
Content	98.0-102.0 %
Identification	Qualified
Melting point	125-128℃
Appearance of solution	Qualified
Acidity	Qualified
Related Substances	Qualified
Ash	0.10 % max
Impurities	Qualified

Ethylparaben 
【CAS NO】：120-47-8
【EINECS NO】：204-399-4
【molecular formula】：C9H10O3 
【molecular weight】：166.20
【synonym】：Hydroxybenzoate, Nipagin A 
Nipagin A is white crystalline substance which taste slightly bitter. It can be used as antimicrobial preservatives and widely used in liquid and semi-solid formulations, mainly sued as preservatives in food, cosmetics, medicine and animal feed. The product has strong inhibitory effect of fungi, but weak inhibitory effect on bacteria.
【Quality specification】: Art.No. ACN0024A

Items	Specifications
Appearance	white crystalline powder
Content	98.0-102.0 %
Identification	Qualified
Melting point	115-118℃
Appearance of solution	Qualified
Acidity	Qualified
Related Substances	Qualified
Ash	0.10% max
Impurities	Qualified

Nipasol 
【CAS NO】：94-13-3
【EINECS NO】：202-307-7
【molecular formula】：C10H12O3 
【molecular weight】：180.20
【synonym】：Propyl 4-hydroxybenzoate; Propyl chemsept, Nipasol p 
【Quality specification】: Art.No. ACN0025A

Items	Specifications
Appearance	white crystalline powder
Content	98.0-102.0 %
Identification	Qualified
Melting point	96-99℃
Appearance of solution	Qualified
Acidity	Qualified
Related Substances	Qualified
Ash	0.10% max
Impurities	Qualified

Butylparaben
【CAS NO】：94-26-8
【EINECS NO】：202-318-7
【molecular formula】：C11H14O3 
【molecular weight】：194.20
【synonym】：SPF;butoben;solbrolb;Lexgard B;Nipabutyl;Solbrol B;tegoseptb 
【Quality specifications】: Art.No. ACN0034A

Items	Specifications
Appearance	white crystalline powder
Content	98.0-102.0 %
Identification	Qualified
Melting point	68-71℃
Appearance of solution	Qualified
Acidity	Qualified
Related Substances	Qualified
Ash	0.10% max
Impurities	Qualified