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BP USP Pharmaceutical intermediate P-Hydroxybenzoic Acid 4-Hydroxybenzoic Acid

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  Post Date: Dec 04,2017
  Expiry Date: Mar 04,2018
  Detailed Description: Cas No. :99-96-7 Quantity: 1Metric Tons
Specs:Pharmaceutical grade
Price:2930 USD Metric Tons
Payment Method: T/T, L/C

  Chemical name: 4-Hydroxybenzoic acid

  Molecular formula:C7H6O3

  Molecular weight:138.12

  CAS#:99-96-7

  EINECS No. :202-804-9

  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

  Physical and chemical properties: white powdery crystal, no odor and taste. Easily soluble in hot water, alcohol, ether, and acetone, slightly soluble in cold water and benzene, insoluble in carbon disulfide.

  Relative density is 1.46.

  Quality standard: Q/SH 005-2014

  Appearance: white crystalline powder

  Content (dry basis) %≥99.699.0

  Melting point℃214-217212-216

  Odor: No odor

  Solubility:Clear and transparent

  Drying loss %≤0.20

  Color (Pt-Co)≤10

  Ash content %≤0.02

  Sulfate (SO42-) %≤0.01

  Chloride (Cl-) %≤0.005

  Phenol %≤0.01

  Salicylic acid %≤0.02

  4-hydroxyisophthalic acid ppm≤500/

  Methanol-insoluble matters ppm≤50/

  Potasium (K+) ppm5/

  Sodium (Na+) ppm≤5/

  Iron (Fe) ppm≤5/

  Calcium+Magnesium (Ca2++Mg2+)ppm≤10/

  Uses: 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


  CAS Registry Number:

99-96-7

  Synonyms: ;P-OXYBENZOIC ACID;para hydroxy benzoic acid;P-hydroxybenzoic acid;4-hydroxybenzoate;Para-Hydroxybenzoic Acid;
  Molecular Formula: C7H6O3
  Molecular Weight: 137.1133
  Molecular Structure: 99-96-7 4-Hydroxybenzoic acid
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S37/39:;

  Company: Zhejiang Shengxiao Chemicals Co.,Ltd     [ China ]        
  Contact: Lily Deng
  Tel: 86-13515741615
  Fax:
  Email: 459152711@qq.com
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