Basic information Outline Chemical properties Uses Toxicity HAZARDS IDENTIFICATION Preparation method Production method Safety Related Supplier
Hypophosphorous acid Structure

Hypophosphorous acid

Chemical Properties

Melting point -25 °C
Boiling point 108 °C (759.8513 mmHg)
Density  1.206 g/mL at 20 °C(lit.)
vapor pressure  <17 mmHg ( 20 °C)
storage temp.  no restrictions.
solubility  very soluble in H2O, ethanol, ethyl ether
pka pK1 1.1.
form  hygroscopic crystals or colorless oily liquid
color  Colorless
Water Solubility  SOLUBLE
Merck  13,4894
Stability Stable. Incompatible with strong bases. Reacts violently with oxidizing agents, strong bases, mercury (II) nitrate and mercury (II) oxide. Do not heat above 100 C.
InChIKey GQZXNSPRSGFJLY-UHFFFAOYSA-N
CAS DataBase Reference 6303-21-5(CAS DataBase Reference)
NIST Chemistry Reference Hypophosphorous acid(6303-21-5)
EPA Substance Registry System Phosphinic acid (6303-21-5)

Safety Information

Hazard Codes  C
Risk Statements  34
Safety Statements  26-36/37/39-45
RIDADR  UN 3264 8/PG 3
WGK Germany  1
RTECS  SZ6400000
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  28111990
Hazardous Substances Data 6303-21-5(Hazardous Substances Data)

MSDS

Usage And Synthesis

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