Zhejiang Shengxiao Chemicals Co.,Ltd
Products detail
Product Name: 4-Hydroxybenzoic Acid
CAS No: 99-96-7
Product Type: Pharmaceutical Intermediates
Product spec: BP USP
Packing: 25kg/bag, 500kg/bag, 1000kg/bag
Post Time: 2018-02-28
Usage: The product can be used as preservative, dye, pharmaceutical and injection intermediate. It is main raw material of liquid crystal polymer and raw material of pesticide intermediate.
Description: Basic Information Product number: SX1001 Chemical name: 4-Hydroxybenzoic acid Molecular formula:C7H6O3 Molecular weight:138.12 CAS No. :99-96-7 EINECS No. :202-804-9 Physical and chemical properties Molecular weight: 138.13 Density: 1.443g/cm3 Melting point: 213-214℃ Boiling point:336.2°C at 760 mmHg Flash point:171.3°C Appearance: white powdery crystal, no odor and taste. Solubility: Easily soluble in hot water, alcohol, ether, and acetone, slightly soluble in cold water and benzene, insoluble in carbon disulfide. Detailed Deion Quality standard: Q/SH 005-2014 Item Index Polymerization level Industrial grade Appearance White crystalline powder White crystalline powder Content (dry basis) %≥ 99.6 99.0 Melting point ℃ 214-217 212-216 Odor No odor No odor Solubility Clear and transparent Clear and transparent Drying loss %≤ 0.20 0.50 Color (Pt-Co)≤ 10 40 Ash content % ≤ 0.02 0.15 Sulfate (SO42-) % ≤ 0.01 0.05 Chloride (Cl-) % ≤ 0.005 0.02 Phenol % ≤ 0.01 0.10 Salicylic acid % ≤ 0.02 0.10 4-hydroxyisophthalic acid ppm ≤ 500 / Methanol-insoluble matters ppm ≤ 50 / Potasium (K+) ppm 5 / Sodium (Na+) ppm ≤ 5 / Iron (Fe) ppm ≤ 5 / Calcium+Magnesium (Ca2++Mg2+)ppm ≤ 10 / Application The product can be used as preservative, dye, pharmaceutical and injection intermediate. It is main raw material of liquid crystal polymer and raw material of pesticide intermediate. Packing Double-layer plastic woven bag, net weight is 25kg, or PP bag, net weight is 500kg/bag or 1000kg/bag. *Special requirements can be negotiated
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