SELENOUS ACID
SELENOUS ACID Extra Pure
Confirms to USP
Short Name: SELENOUS ACID
Synonym: Selenious acid
Basic Details
Article No.
LG3969
Grade
Extra Pure
Purity
93%
CAS No.
7783-00-8
HS Code
2811.1990
Shelf Life
60 Months
Packings Avialable
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
Chemical 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 & 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