4-Hydroxybenzoic Acid/PARA Hydroxy Benzoic Acid CAS: 99-96-7

China 4-Hydroxybenzoic Acid/PARA Hydroxy Benzoic Acid CAS: 99-96-7, Find details about China 4-Hydroxybenzoic Acid, P-Hydroxybenzoic Acid from 4-Hydroxybenzoic Acid/PARA Hydroxy Benzoic Acid CAS: 99-96-7

Basic Info.

Colour

White

Trademark

MOJIN

Specification

25kg/bag

Origin

China

Colour

White

Trademark

MOJIN

Specification

25kg/bag

Origin

China

Product Desciption

4-Hydroxybenzoic acid

Chemical Name:4-Hydroxybenzoic acid

Trade Name:p-oxybenzoic acid

Molecular Formula:C7H6O3

Molecular Weight:138.12

CAS No.:99-96-7

Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone,

slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46

Benzoic acid index
Items	Index
Content	99-100.5%
Loss on drying	≤0.5% after drying for three hours over sulphuric acid
Melting range	121.5-123.5°C
PH	About 4 (solution in water)
Arsenic	≤3 ppm
Lead	≤5 ppm
Mercury	≤1 ppm
Heavy metal (as pb)	≤10 ppm
Sulphated ash	≤0.05%
Positive sublimation test and test for benzoate	Qualified with regulations
Readily oxidizable substances	Qualified with regulations
Polycyclic acid	Pass test
Chlorinated organic compounds	≤300 ppm
Appearance of solution	Clarification, colorless