JAMSON PHARMACHEM TECHNOLOGY CO.,LTD.

4-Hydroxy benzoic acid

• Category :

  Organic chemicals and Derivatives

• Synonyms :

  P-OXYBENZOIC ACID;para hydroxy benzoic acid;P-hydroxybenzoic acid;4-hydroxybenzoate;Para-Hydroxybenzoic Acid;

• CAS NO :

  99-96-7

• EC NO :

  202-804-9

• Molecular Formula :

  C₇H₆O₃

• Molecular Weight :

  137.1133

• Main Specifications :

• InChI :

  InChI=1/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10)/p-1

• Product description :

  p-Hydroxybenzoic Acid

  Chemical Name:p-hydroxybenzoic acid

  Structural Formula

  Molecular Formula:C₇H₆O₃

  Molecular Weight:138.12

  CAS^#:99-96-7

  Physical & Chemical Properties: This product is white crystal powder without any smell but is astringent. it is easily dissolved in hot water, alcohol, ether, acetone; slightly dissolved in cold water, benzene, and not dissolved in carbon bisulfide. It is dissolved in 125 cold water and relative density is 1.46.

  Quality 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
  Phenol % ?	0.01	0.10
  Salicylic Acid % ?	0.02	0.10
  4-Hydroxyisophthalic Acid(HIPA) ppm ?	500	/
  Insolubles in Methanol ppm ?	50	/
  Potassium(K+) ppm	5	/
  Sodium (Na+) ppm ?	5	/
  Iron (Fe) ppm ?	5	/
  Ca2++Mg2+ppm ?	5	/

  Usage: This product could be used an intermediate of antiseptics, dyestuff, medicine and injection molding. Nipagins could be gained by its esterfication with alcohol. It is also the main raw material for liquid crystal polymer and material for pesticide intermediates.

  Package: It is packed with braided plastic bags within double PE linings. Each has net weight of 25 kg. Those packed with PP bag has its net weight of 500 kg/b or 1000 kg/b.

• Molecular Structure :