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 /
Appearance Honey Brown Viscous Liquid Active Matter % w/w Mol.Wt320 – 96 ± 1 NDOM% w/w 1.5 ± 0.5 Free Acid asH2So4 1.5 ± 0.5 Color 10%aq.soln. 80 Klett max
CAS No.: 61724-13-8 Other Names: Acid Brown GB Place of Origin: Gujarat, India Type: Acid Dye Usage: Leather Dyestuffs, Textile Dyestuffs Brand Name: Sparrowings Appearance: Powder Form
CAS No.: 72827-73-7 Other Names: Acid Brown ESG Place of Origin: Gujarat, India Type: Acid Dye Usage: Leather Dyestuffs, Textile Dyestuffs Brand Name: Sparrowings Appearance: Powder Form
CAS No.: 119509-50-1 Other Names: Acid Complex Brown M2R Place of Origin: Gujarat, India Type: Acid Dye Usage: Leather Dyestuffs, Textile Dyestuffs Brand Name: sparrowings Appearance: Powder Form
CAS No.: 13011-68-2 Other Names: Acid Brown CGG MF: C18H13N6NaO8S EINECS No.: 235-862-9 Place of Origin: Gujarat, India Type: Acid Dye Usage: Leather Dyestuffs, Textile Dyestuffs Brand Name: Sparrowings Appearance: Powder Form
CAS No.: 5850-16-8 Other Names: ACID BROWN M MF: C26H16N4Na2O8S2 EINECS No.: 227-447-6 Place of Origin: Gujarat, India Type: Acid Dye Usage: Leather Dyestuffs, Textile Dyestuffs Brand Name: Sparrowings Appearance: Powder Form
CAS No.: 61724-07-0 EINECS No.: 612-232-5 Place of Origin: Gujarat, India Type: Acid Dye Usage: Leather Dyestuffs, Textile Dyestuffs Brand Name: Sparrowings Appearance: Powder Form
CAS No.: 8011-86-7 Other Names: Acid Brown AFC MF: C10H9NO7S2 EINECS No.: 229-637-4 Place of Origin: Gujarat, India Type: Acid Dye Usage: Leather Dyestuffs, Textile Dyestuffs, polyamide Brand Name: Sparrowings Appearance: Powder Form
