SPECIFICATION
CAS- 91689
Purity 98.50% by hplc
Moisture max 0.5%
Insoluble content(in acid) max 0.15%
Set point 71 .5 to 72.0 c
Ash content max 1.00 %
Iron content 50ppm
Specification CAS Number 591-27-5 Physical Appearance Off White to white coloured flakes Melting Range 120 to 124°C Moisture (By KF) Max 0.2% Transmission Min 88.0% Purity (By Perchloric acid) Min 99.5% Purity (By GC) Min 99.5%
Dep=di-2
DYES & INTERMEDIATES Acid dye : Man made fiber (Nylon), Natural fiber (Silk, Wool) Direct Dye : Man made fiber (Viscose), Natural fiber (Cotton) Vat dye : Man made fiber (Viscose), Natural fiber (Cotton, Silk, Wool) Disperse dye : Nylon, Polyester, Acrylic, Tri-acetate, Di-acetate PIGMENTS : Alizarin, Azo-pigments : Yellow, orange and red colour range Phthalocyanine : Blue and green colour range
Supplier: Acid dyes and direct dyes and solvent dyes and basic dyes and reactive dyes .
Services: We can offer you cif price and fob price
Supplier: Soap, detergents, water treatment chemicals, mining chemicals, agricultural products, minerals like raw bauxite, barium sulphate, bentonite, hydrated lime, quick lime, petcoke, sulphur, ferric chloride, sodium silicate, nitric acid, chlorohexidine gluconate 20%, povidone iodine, cetrimide
Buyer: Soda ash, gypsum, glycerine, dyes, pigment
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: 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.
Commodity: Sodium Sulphate anhydrous Product Nature Molecular formula: Na2SO4 Molecular weight: 142.04 Property: white granular crystal or powder Use As filler of detergent, the making of sodium sulphide, water glass, or used in papermaking, glass, dye and used as filler, dyeing auxiliary, laxative, antidote, t also can be used in fiber, leather, metallurgy, enamel and soap. Specifications Item GB6009-2003 Type First grade Result of common product Result of neutral product Na2SO4 99.0 99.20 99 40 Water insoluble matter %0.05 0.02 03 Ca & Mg %(Mg) 0.15 0.02 02 Chloride %(Cl) 0.35 0.23 20 (Fe) 0.002 0.0001 0001 Moisture % 0.20 0.02 02 Whiteness % 82 88 85 Packing and Storage Knitted bags lined polyethylene plastic bags double packaging, Weighing 25Kg/50KG/1000Kg. Transportation-and harsh rain. Stored in a cool, ventilated, dry place.