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Potassium Disulfite for analysis

Potassium Bisulphite, Potassium Metabisulphite, Potassium Pyrosulphite

Minimum assay (Iodom.): 96.0%
Code
121522
CAS
16731-55-8
Molecular Formula
K2S2O5
Molar mass
222.33 g/mol

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Box prices only valid with purchase of full box.

code packaging size price per unit box price per unit
Code & packaging Price per piece
121522.1214
code
121522.1214
packaging size
5 kg
price per unit
single 274,30€
box price per unit
Melting Point:
190 °C
Solubility:
water 335 g/l at 20 °C
Physical Description:
solid
Product Code:
121522
Product Name:
Potassium Disulfite for analysis
Quality Name:
for analysis
Specifications:
Minimum assay (Iodom.): 96.0%

Maximum limit of impurities
Insoluble matter in H2O: 0.005 %
Chloride (Cl): 0.005%
Phosphate (PO4): 0.0002 %
Thiosulfate (S2O3): 0.05%
As: 0.0001 %
Cu: 0.001 %
Fe: 0.001 %
Ni: 0.001 %
Pb: 0.001 %
Hazard pictograms
  • GHS07 Hazard
WGK:
1
Storage:
Storage away from direct light.
Signal Word:
Warning
GHS Symbols:
GHS07
H Phrases:
EUH031
H319
H335
P Phrases:
P261
P264
P271
P280
P304+P340
P501
P305+P351+P338
P312
P337+P313
P403+P233
P405
Master Name:
Potassium Disulphite
Synonyms Long Text:
Potassium Bisulphite, Potassium Metabisulphite, Potassium Pyrosulphite
EINECS:
240-795-3
CS:
2832 20 00 00
Download TDS file for complete specifications