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Phosphorous acid

English name: Phosphorous acid
Molecular formula: H3PO3
Molecular weight: 82.0
CAS No.: 13598-36-2
Properties: This product is colorless crystal, has strong hygroscopicity, is easily soluble in water, and is corrosive.
Quality standard: in line with the national chemical industry HG/T 2520-2006 standard:

Project

Indicator

Superior product

First grade

Qualified product

Exterior

White crystals,

Phosphorous acid (H 3 PO 3 ), % ≥

99.0

98.0

97.0

Chloride (in terms of Cl), % ≤

0.001

0.01

0.02

Iron (Fe), % ≤

0.0005

0.001

0.005

Phosphate (based on PO 4 ), % ≤

0.1

0.2

0.6

Sulfate ( calculated as SO 4 ), % ≤

0.0005

0.008

0.01


Uses: used as reducing agent, nylon whitening agent, also used as phosphite raw material, synthetic fiber raw material, pesticide intermediate.
Packing: coated woven bag, kraft paper composite bag lined with double plastic bag, net weight 25kg.
Safety protection: See the Safety Data Sheet for Phosphorous Acid
.

Contact us
  • Add: Changchao Chemical Industrial Park Zone, huzhou, Zhejiang Province, China P.C:313017
  • Tel: +86-572-3731398
  • Fax: +86-572-3731183
  • Contact: Mr. Sun Mobile: +86-13705724980
  • E-mail: info@cnshalong.com
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