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Lab Chemicals
Acids-Inorganic
HYPOPHOSPHORUS ACID
HYPOPHOSPHORUS ACID AR
Phosphinic acid
Article No.
04154
Grade
AR
Purity
50%
CAS No.
6303-21-5
Molecular Formula
HPH
2
O
2
Molecular Weight
66.00
H.S. Code
2811.1920
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
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]
< 17 mm Hg 20 °C
Vapour pressure mm/Hg
< 17 mm Hg 20 °C
Density [g/cm3]
1.206
Solubility in water [% weight]
Soluble in water
Packings
500 ml
(00500)
2500 ml
(02500)
2500 ml
(02500)
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 and 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
Revision Date :
10-Sep-2014