P-Hydroxybenzoic Acid

• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Refined
• Colour: Colorless
• Production Capacity: 10000

Product Description

P-Hydroxybenzoic Acid
Chemical Name: P-hydroxybenzoic acid
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.

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.

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	/