Pyridine-4-Boronic Acid

Stearic Acid CAS No.: 57-11-4 Chemical Formula: C18H36O2 CH3(CH2)16COOH Molecular Weight: 284.48 Properties: Pure product is small pieces of wax crystals in white with slightly luster Application: Mainly used in producing stearate; Sodium stearate; Magnesium stearate; Calcium stearate; Lead stearate; Aluminum stearate; Cadmium stearate; Ferric stearate; Potassium stearate. Also widely used in the raw materials such as plastic cold plasticizer; Stabilizer; Surfactant; Stripping punishment; Rubber vulcanization accelerator; Medical relief agent, polishing paste, metal mineral flotation agent, high melting point grease, waterproofing agents and the production of cosmetics cream. Besides, also be used as oil-soluble paint solvents, crayons transfer lubricant, wax Polish, stearic acid glyceride emulsifier, etc.

Stearic Acid CAS No.: 57-11-4 Chemical Formula: C18H36O2 CH3(CH2)16COOH Molecular Weight: 284.48 Properties: Pure product is small pieces of wax crystals in white with slightly luster Application: Mainly used in producing stearate; Sodium stearate; Magnesium stearate; Calcium stearate; Lead stearate; Aluminum stearate; Cadmium stearate; Ferric stearate; Potassium stearate. Also widely used in the raw materials such as plastic cold plasticizer; Stabilizer; Surfactant; Stripping punishment; Rubber vulcanization accelerator; Medical relief agent, polishing paste, metal mineral flotation agent, high melting point grease, waterproofing agents and the production of cosmetics cream. Besides, also be used as oil-soluble paint solvents, crayons transfer lubricant, wax Polish, stearic acid glyceride emulsifier, etc.

Phosphoric Acid, E338, CAS no.7664-38-2, a mineral acid, colorless, transparent syrupy liquid. Phosphoric Acid is an acidity regulator and nutrition agent for yeast food, and it applied to flavors, canned food and light drinks as well as used in wine making. As an experienced Phosphoric Acid manufacturer and supplier, we has been supplying and exporting Phosphoric Acid 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. Phosphoric Acid Specification NO. Specifications Phosphoric Acid Industrial Grade Phosphoric Acid Food Grade 1 Appearance Colorless, transparent syrupy liquid or in very light color 2 Colour 30 20 3 Assay (as H3PO4 )% 85.0 85.0 4 Chloride(as Cl- )% 0.0005 0.0005 5 Sulphats(asSO42- )% 0.005 0.003 6 Iron (Fe)% 0.002 0.001 7 Arsenic (As)% 0.005 0.0001 8 Heavy metals,as Pb% 0.001 0.001 9 Oxidable matter (asH3PO4)% 0.012 10 Fluoride,as F% 0.001

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 /

Phosphoric Acid Molecular Formula : H 3 PO 4 Molecular Weight : 97.99 Specification : Industry Grade GB2091 1992 or according to customer's demand Food Grade GB3149 2004 FCC or according to customer's demand Usage : Used as cleaner for printed circuit , acidic flavoring for food, nutriment for yeast, also for use of producing different phosphates. Package: 20L, 200L plastic drums, iron + plastic drums, tanks or according to customer's demand.

Stearic Acid, E570,CAS No.57-11-4, is a saturated fatty acid with an 18-carbon chain manufactured through hydrolysis of triglycerides, available as WHITE FLAKE or white powder used as lubricants, softening and release agents in food production with E number E570. It is also essential ingredient in manufacturing of Potassium Stearate, Sodium Stearate and Glycerol Monostearate. Stearic acid is mainly used in the production of detergents, soaps, and cosmetics such as shampoos and shaving cream products. As an experienced Stearic Acid manufacturer and supplier, we has been supplying and exporting Stearic Acid 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. Stearic Acid Specification INDEX SPECIFICATION APPEARANCE WHITE FLAKE IODINE (g/100g) 2.0 ACID (mg/g) 205 ~ 210 SAPONIFICATION NUMBER 206 ~ 211 HAZEN 200 TITER(C) 54 ~ 57 MOISTURE 0.2% INORGANIC ACID 0.001% C18 CONTENT 40 ~ 45 %

At Prefine Chemicals, we distribute top-tier Sulphuric Acid 73% offers expert guidance to help you achieve optimal results. Our commitment to quality ensures you receive a reliable product you can depend on. (CAS.NO.-7664-93-9) Prefine Chemicals guarantees a minimum purity of Min. 73.00 % of Sulphuric Acid. APPLICATIONS Applications are: Dyes Agro Chemicals PACKAGING ISO Tanks MS Drums Tanker Load MOQ 1x20'FCL SPECIFICATIONS Sr.No Characteristic Specifications 1. Physical Appearance Colourless Liquid ( thick only ) 2. Purity 73% 3. Formula H2SO4 4. Specific Gravity at 27C 1.83 5. Ash Residue 0.01 6. Iron as Fe 37 ppm