HYPOPHOSPHORUS ACID
HYPOPHOSPHORUS ACID AR
Short Name: HYPOPHOSPHORUS ACID
Synonym: Phosphinic acid
Basic Details
Article No.
LG2529d
Grade
AR
Purity
50%
CAS No.
6303-21-5
HS Code
2811.1920
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Liquid
Colour
Clear Colorless
Odour
Odorless
pH value
1
Melting point/ Freezing point [°C]
-25°C
Decomposition point [°C]
108°C
Boiling point [°C]
108°C
Vapour pressure [20°C]
Vapour pressure mm/Hg
Density [g/cm3]
1.206
Solubility in water [% weight]
Soluble in water
Density [g/cm3]
1.206
Solubility in water [% weight]
Soluble in water
Chemical Specifications
Appearance
A clear, colourless liquid
Assay (alkalimetric)
Min 49.5%
Phosphorous acid & Phosphoric acid (as H3PO3)
Max 2%
Chloride (Cl)
Max 0.015%
Total sulphur (as SO4)
Max 0.02%
Arsenic (As)
Max 0.0005%
Barium (Ba)
Max 0.005%
Calcium (Ca)
Max 0.005%
Cadmium (Cd)
Max 0.0001%
Copper (Cu)
Max 0.0005%
Iron (Fe)
Max 0.005%
Potassium (K)
Max 0.001%
Manganese (Mn)
Max 0.0005%
Sodium (Na)
Max 0.01%
Nickel (Ni)
Max 0.0005%
Lead (Pb)
Max 0.0005%
Zinc (Zn)
Max 0.0001%
Safety Information & Hazard Symbols
Symbol
GHS05
Signal Word
Danger
UN No.
3264
IMCO Class No.
8
Packing Group
II
Hazardous Statement
H314
Precaution Statement
P280-P305 + P351 + P338-P310