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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

Recommended prices only. For prices and orders please contact your local distributor.
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 $411,45
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