4-hydroxybenzoic acid

• Post Date:

  Feb 06,2018

• Expiry Date:

  Aug 05,2018

• Detailed Description:

  Cas No. :99-96-7 Quantity: 1Metric Tons
  Specs:Industrial grade/ polymer grade
  Price:33 USD Metric Tons
  Payment Method: T/T, L/C
  
  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 Description
  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
  

• 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:

  

• 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