Wuhan Hezhong Chemical Manufacture Co., Ltd

4-Hydroxybenzoic acid Chemical Name:4-Hydroxybenzoic acid Trade Name:p-oxybenzoic acid Molecular Formula:C7H6O3 Molecular Weight:138.12 CAS No.:99-96-7 Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone, slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46 Use: Can be used as antiseptic, intermediate of dyes, pharmaceuticals; as main material of liquid crystal polymers; as material of pesticide intermediate Specification Item Specification Polymer Grade Technical Grade Appearance white crystal powder white crystal powder Purity(on dry base) % 99.6 99.0 Melting Point 214-217 212-216 Odor odorless odorless Solubility Clear and transparent clear and transparent Loss on Drying % 0.20 0.50 Color(Pt-Co) 10 40 Ash % 0.02 0.15 Sulfate(SO42-) 0.01 0.05 Chloride(Cl-) % 0.005 0.02 Phe% 0.01 0.10 Salicylic Acid % 0.02 0.10 4-Hydroxyisophthalic Acid(HIPA) ppm 500 / Insolubles in Metha ppm 50 / Potassium(K+) ppm 5 / Sodium (Na+) ppm 5 / Iron (Fe) ppm 5 / Ca2++Mg2+ppm 5 /

Commodity : Potassium sorbate Molecular formula : C6H7KO2 Molecule Weight : 15022 HS code : 29161900 CAS : 24634615�  Specifications appearance : White crystal granule Production Standard : FCCIV Content : 9801010 K2CO3 : 1 max Loss on drying : 1 max Chloride : 001 max Heavy metalsas : Pb 0001 max Packing in carton 25kgs net weight Quantity 14MT loaded into 1 x 20GP Excellent preservative properitesproperites Sorbic Acid Potassium Sorbate can restrain effectively the activity of mould yeast and aerophile bateria Restrain growth and reproduction of the pernicious micro organism as pseudomonas staphylococcus salmonella action to restrain growth is more powerful than killing Meanwhile it can not restrain useful microoranganim growth ad Anaerobicbearing barilli acidophil therefore to lengthen food store peroid and remain food original flavor The preservative efficiency of sorbic acid Potassium sorbate is 510 times sodium benzoate High safety Sorbic Acid Potassium Sorbate is one kind of nonsuturated fatty acid compounds It can be absorbed by human body rapidly then decomposed into CO2 and H2Omoreover no remaining in body ADI 025mgkg based on sorbic acid FAOWHO 1994 LD50 4920 mgkglarge mouse by mouth GRASFDA 1823640 1994 Its toxicity only 112 times table salts and 140 times sodium benzoate Good stability Sorbic Acid Potassium Sorbate is stable in sealed staus will not be decomposed until 270C It will be oxidized into colored ones and absorbing moisture in case exposed in air for a long time Wide application At the momentSorbic Acid Potassium Sorbate has been used extensively in food drinkvegetables in soy tabacco drugs cosmetics agricultural products forage and other domain Its applicaion should be wide and wide in the world As acidic preservative Sorbic Acid Potassium Sorbate is also used well in neutral foodph6065 The preservative efficiency of sodium benzoate will decrease clearly and have a bed taste while ph4 Applicaion flexibilitySorbic Acid Potassium Sorbate can be used by direct adding sprayingretting dry spraying using in packing material and other method

Commodity: Sodium Bisulfite Molecular Formula: NaHSO3 Molecular Weight: 104.06 Properties: White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; has strong reducing property; can be oxidized in the air or loose sulfur dioxide. Quality Standard: HG/T3492-80 Technical Indicator High-purity grade Acrylic grade Food grade Refined grade Industrial grade 1 NaHSO3 % 99.5 Insol. in water % 0.003, 0.005, 0.03, 0.04, 0.05 Chloride(Cl) % 0.003, 0.004 Iron(Fe) % 0.001 0.002 0.005 Heavy metal(Pb) 0.001 Arsenic(As) % 0.0001 Clarity test Qualified Use: It is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, developer, food bleacher, antiseptic and anti-oxidants. Packing: In PP woven bag lined with PE bag; paper-plastic composite bag, and kraft paper bag etc. Net wt.: 25/50/1000 kgs/bag or upon clients' request.

Humic Acid Powder is in black color and insoluble in water itself, it has high content of organic matter and humic acid, and is milled from leonardite or lignite sources. Humic Acid Balls is in made from humic acid powder and has high content of humic acid and organic matter. It improves the soil condition by application Humic Acid Granules is meshed out from natural leonardite or lignite souces, it is irregular shapes, high in organic matter and humic acid content Potassium Humate Powder is in black color and soluble in water.It is extracted from natural leonardite or lignite powder. It has several grades for different applications. Potassium Humate Flakes is derived from leonardite or lignite powder, it has high content of humic acid and water solubility. Sodium Humate Powder is made from leonardite with NaOH, it is water soluble , it is widely used in agriculture, industrial and livestock feedings and milled from sodium humate shiny flakes, sodium humate crystals and dry-method. Sodium humate has lowest content of HA, not is most economy products

Sodium Stearate, E470a, CAS No.822-16-2, food emulsifier, a safe sodium salt of stearic acid manufactured through chemical synthesis from Sodium Hydroxide and Stearic Acid. Sodium Stearate is a white powder that has a fatty odor and is greasy to the touch. Sodium stearate is mostly used to create soap bases. As an experienced Sodium Stearate manufacturer and supplier, we has been supplying and exporting Sodium Stearate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Sodium Stearate Specification Sodium Stearate is a kind of white powder with fatty odor,gresy to touch,soluber in hot water and ethanol sodium stearate Sodium Content 7.5 ± 0.5% Free acid 1% Moisture 3% Fineness 95%MIN Iodine value 1 Heavy Metal% 0.001%

Sodium Acetate E262, CAS no.127-09-3, is a sodium salt of acetic acid, available as a white powder. Sodium Acetate Anhydrous is widely used as a preservative and flavor enhancer in food processing. Sodium acetate may be added to food as a seasoning, sometimes in the form of sodium diacetate, a one-to-one complex of sodium acetate and acetic acid. As an experienced Sodium Acetate manufacturer and supplier, we has been supplying and exporting Sodium Acetate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Sodium Acetate Specification ITEM STANDARD Appearance White, odorless, hygroscopic powder Assay (Dry Basis, %) 99.0-101.0 pH (1% Solution, 25) 8.0- 9.5 Loss on Drying (120, 4 Hours, %) 1.0 Insoluble Matter (%) 0.05 Alkalinity (as NaOH, %) 0.2 Chlorides (Cl, %) 0.035 Formic acid, formates and other oxidizable (as formic acid) 1,000 mg/kg Phosphate (PO4) 10 mg/ kg Sulphate (SO4) 50 mg/ kg Iron (Fe) 10 mg/ kg Arsenic (As) 3 mg/ kg Lead (Pb) 5 mg/ kg Mercury 1 mg/ kg Heavy Metal (as Pb) 10 mg/ kg Potassium Salt (%) 0.025

Sodium Acetate Trihydrate, E262, CAS no.6131-90-4, sodium salt of acetic acid, available as white to colorless crystals. Sodium Acetate Trihydrate is a common form of Sodium Acetate. With a similar function to Sodium Acetate Anhydrous, Sodium Acetate Trihydrate is also widely used as a preservative. Moreover, Sodium Acetate Trihydrate is an important intermediate in the manufacturing of Sodium Diacetate. As an experienced Sodium Acetate Trihydrate manufacturer and supplier, we has been supplying and exporting Sodium Acetate Trihydrate for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Sodium Acetate Trihydrate Specification ITEM STANDARD Appearance Colorless crystals, slight acetic acid odor Assay (dry basis, %) 99.0-101.0 pH (5% Solution, 25) 7.5- 9.0 Loss on Drying (120 4h, %) 36.0 41.0 Insoluble Matter (%) 0.05 Chlorides (Cl, %) 0.035 Alkalinity (as Na2CO3, %) 0.05 Phosphate (PO4) 10 mg/kg Sulphate (SO4) 50 mg/kg Iron (Fe) 10 mg/kg Arsenic (As) 3 mg/kg Lead (Pb) 5 mg/kg Mercury (Hg) 1 mg/kg Heavy Metal (as Pb) 10 mg/kg