V800328
Potassium disulfite
AR, ≥97%
Synonym(s):
Potassium metabisulfite, Potassium pyrosulfite
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About This Item
Linear Formula:
K2S2O5
CAS Number:
Molecular Weight:
222.32
UNSPSC Code:
12352302
PubChem Substance ID:
EC Number:
240-795-3
MDL number:
Assay:
≥97%
Grade:
AR
Form:
powder
grade
AR
product line
Vetec™
assay
≥97%
form
powder
pH
3.0-4.5 (5% in water)
anion traces
chloride (Cl-): ≤0.005%
cation traces
Fe: ≤0.0005%, heavy metals (as Pb): ≤0.001%
SMILES string
[K+].[K+].[O-]S(=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
Legal Information
Vetec is a trademark of Merck KGaA, Darmstadt, Germany
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signalword
Danger
hcodes
supp_hazards
Storage Class
11 - Combustible Solids
wgk
WGK 1
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2
Regulatory Information
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| V800328-500G | 04061832599526 |
| V800328-6X500G | 04061832599533 |