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SELENOUS ACID Extra Pure
Confirms to USP
Selenious acid
MSDS
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COAs
Packings
100 g
(00100)
1000 g
(01000)
Print friendly version
Article No.
05680
Grade
Extra Pure
Purity
93%
CAS No.
7783-00-8
Molecular Formula
H
2
SeO
3
Molecular Weight
128.97
H.S. Code
2811.1990
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
pH value
7
Melting point/ Freezing point [°C]
70 °C
Density [g/cm3]
3.004
Solubility in water [% weight]
Soluble in cold water
Specifications
Appearance
White crystalline powder
Assay (as H2SeO3)
93 - 101%
Residue on ignition (as SO4)
Max 0.01%
Selenate and sulphate
Passes USP test
Insoluble matter
1 gm in 5 ml water gives clear solution
Safety Information and Hazard Symbols
Symbol: GHS06, GHS08, GHS09
Signal Word: Danger
UN No.: 3283
IMCO Class No.: 6.1
Packing Group: II
Hazardous Statement: H301-H331-H373-H410
Precaution Statement: P261-P273-P301 + P310-P311-P501
Revision Date:
16-Jan-2015
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