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p-hydroxybenzoic acid cas 99-96-7

Chemical Name:P-hydroxybenzoic acid

CAS No.:99-96-7

Molecular Fomula:H8N2O8S2

Molecular weight:228.2

Appearance:White crystalline powder

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Description

P-hydroxybenzoic acid quick Details

Chemical Name:P-hydroxybenzoic acid

CAS No.:99-96-7

Molecular Fomula:H8N2O8S2

Molecular weight:228.2

MolecularStructure:P-hydroxybenzoic acid Structure

Appearance:White crystalline powder

P-hydroxybenzoic acidProperties

Item Standard
Appearance White crystalline powder
Purity (on dry base) ≥99%
Melting point 213-216℃
Odor Odorless
Solubility Clear and Transparent
Loss on drying ≤0.50%
Color(pt-co) ≤40
Ash ≤0.15%
Sulfate(SO4 )2- ≤0.05%
Chloride(Cl -) ≤0.02%
Phenol ≤0.1%
Salicylic Acid ≤0.1%

P-hydroxybenzoic acidUsage

(1)Used as analytical reagent, photographic fixative and reducing agent.

(2)Used as food preservative, oxidant and initiator of polymer.

(3)It is used in chemical industry as raw material for manufacturing persulfate and hydrogen peroxide, polymerization promoter for organic polymers and initiator for polymerization of vinyl chloride monomers.The oil and soap industry is used as a bleaching agent.It is also used in corrosion agent of metal plate and oil recovery.Food grade used as wheat modifier, beer yeast anti – mildew agent.

(4)Determination and determination of manganese, iron and steel analysis, oxidant.

P-hydroxybenzoic acid Packaging and Shipping

Packing: 25kg/bag

P-hydroxybenzoic acid Storage

Stored in cool dry and ventilated warehouse away from oxidants

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