1.05056
Potassium disulfite
E 224
Synonym(s):
Potassium disulfite, Potassium metabisulfite, Potassium pyrosulfite
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About This Item
Empirical Formula (Hill Notation):
K2O5S2
CAS Number:
Molecular Weight:
222.32
UNSPSC Code:
12352302
E Number:
E224
EC Index Number:
240-795-3
MDL number:
Quality Level
form
solid
pH
3.0-4.5 (20 °C, 50 g/L in H2O)
mp
150 °C (decomposition)
application(s)
pharma/biopharma processes
storage temp.
15-25°C
SMILES string
[K+].[K+].[S](=O)(=O)([S](=O)[O-])[O-]
InChI
1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChI key
RWPGFSMJFRPDDP-UHFFFAOYSA-L
General description
We offer a range of high quality critical raw materials plus the documentation and expertise to help our customers meet stringent regulatory requirements. Our SAFC® portfolio of high-quality products withstands strict quality control procedures.
Application
Potassium disulfite shows preservative and antioxidant properties. Potassium disulfite E224 is suitable for use in pharmaceutical processes and as food additive.
Legal Information
Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany
SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany
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signalword
Danger
supp_hazards
Storage Class
11 - Combustible Solids
wgk
WGK 1
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2
Certificates of Analysis (COA)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1050565000 | 04022536060033 |
| 1050569029 | 04022536946122 |