Gemhold (SJZ) Trading Co., Ltd.
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  • Contact Person : Mr. Kreman Henry
  • Company Name : Gemhold (SJZ) Trading Co., Ltd.
  • Tel : 86-311-87795868
  • Fax : 86-311-87796437
  • Address : Hebei,SHIJIAZHUANG,NO 233 HONGQI STREET
  • Country/Region : China
  • Zip : 050061

P-Hydroxybenzoic acid

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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