SODIUM DITHIONITE Extra Pure

Sodium hypodisulphite

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Article No.
05865
Grade
Extra Pure
Purity
85%
CAS No.
7775-14-6
Molecular Formula
Na2S2O4
Molecular Weight
174.11
H.S. Code
2831.1010
Shelf Life
24 Months
MSDS
 

 

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

Packings

  • 1PW1200500

    500 g (00500)

  • 1PDL00030K

    25 Kg (0025K)

  • 1PDL00040K

    50 Kg (0050K)

 

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

Flame Exclamation Mark
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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