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Varsal Hypophosphorus Acid

Chemical Name: Hypophosphorous acid solution

CAS Number: 6303-21-5

Synonyms: Dihydroxyphosphine, Hydroxyphosphine oxide, Hypophosphorous acid, Phosphinic acid, Phosphonous acid

Safety Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

CAS No.
6303-21-5
EC No.
228-601-5

Applications & Uses

Markets

Properties

Physical Form
Appearance
Clear Liquid
Odor
Almost Odorless
Soluble in
Water
Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity (25°C)1.215g/l
Color Number20.0APHA
Hypophosphorous Acid Content50.0%
Iron Content5.0ppm
Molecular Weight66.0
Phosphorous Acid (H3PO3) Content0.3%

Storage & Handling

Storage and Handling

Precautions for safe handling

Avoid contact with skin and eyes. Avoid breathing dust / fume / gas / mist / vapors / spray. Wash thoroughly after handling. Use adequate ventilation to remove vapors (fumes, dust etc).

Conditions for safe storage, including any incompatibilities

  • Storage Temperature Store in a cool/low-temperature, well-ventilated (dry) place.
  • Incompatible materials Strong oxidizing agents.

Strong bases Specific end use(s):  Reducing Agent