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P-Hydroxybenzoic acid

Product Detailed

1. P-Hydroxybenzoic Acid 2. Cas no.:99-96-7 3. white crystal powder 4. Purity 99.5% min 5. 25 kg plastic knit bag...

p-hydroxybenzoic acid(PHBA)

Name:Para Hydroxy Benzoic acid

Trade Name:p-hydroxybenzoic acid

M. F. : C7H6O3

M. W. : 138.13

CAS#: 99-96-7

Properties: White crystalline powder

ITEMS		SPECIFICATONS
		Liquid crystal grade	Industrial grade
Appearance:		white crystal powder	white crystal powder
Color:		< 30 APHA	40APHA
Melting point():		214-217	213-217
Solubility:		clear, transparent, Colorless	clear, transparent, Colorless
Methanol insoluble matter Ug/g		≤ 50
Assay (titration method)%		≥ 99.5	≥99.0
Assay (GC) %		≥ 99.5	≥ 99.0
Salicylic acid (GC) %		≤ 0.02	≤ 0.10
Benzene powder(GC)%		≤0.01	≤ 0.10
Loss on drying %		≤ 0.20	≤ 0.50
Ash %		≤0.02	0.15
Sulfate Ug/g		≤ 50	≤ 500
Chloride Ug/g		≤ 50	≤ 200
potassium ionUg/g		≤ 10
Sodium ion Ug/g		≤ 10
Ferric ion Ug/g		≤ 10
Uses:	used as antiseptic, dye, drug & plastic injection intermediate, or used in production of Nipagin Esters, high molecular Liquid crystal polymer and pesticide intermediate.
Packing:	25Kg in plastic bag lined woven bag. Kept in cool and dry place.

P-Hydroxybenzoic acid

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