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SODIUM DITHIONITE Extra Pure
Sodium hypodisulphite
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
COAs
Packings
500 g
(00500)
25 Kg
(0025K)
50 Kg
(0050K)
Print friendly version
Article No.
05865
Grade
Extra Pure
Purity
85%
CAS No.
7775-14-6
Molecular Formula
Na
2
S
2
O
4
Molecular Weight
174.11
H.S. Code
2831.1010
Shelf Life
24 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Distinct sulfur dioxide odor
pH value
7 - 9
Melting point/ Freezing point [°C]
300 °C
Vapour density
3.6
Density [g/cm3]
2.19
Solubility in water [% weight]
Soluble in water
Partition coefficient Log Pow octanol / water at 20°C
-4.7
Specifications
Appearance
White crystalline powder
Assay (iodometric)
85 - 87%*
Iron (Fe)
Max 0.002%
* At the moment of batch analysis
-
Safety Information and Hazard Symbols
Symbol: GHS02, GHS07
Signal Word: Danger
UN No.: 1384
IMCO Class No.: 4.2
Packing Group: II
Hazardous Statement: H251-H302
Precaution Statement: P235 + P410
Revision Date:
23-Nov-2020
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