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Potassium Metabisulfite

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Potassium Metabisulfite / CAS : 4429-42-9

Appearance Monoclinic colorless flake crystal UN 0.0
HS 28322000 DG Class 0.0
Synonyms Potassium Pyrosulfite
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Properties

Summary

Formula
HKO3S
Molecular Mass
120.16900
Exact Mass
119.92800
PSA
79.57000
Logp
0.20420
IUPAC
potassium;hydrogen sulfite
SMILES
OS(=O)[O-].[K+]

Attribute classification

Matter Classification
inorganic
Category
Food(Feed) Additives > Food Additive
Inorganic Chemicals > Inorganic Salt

Chemical and Physical Properties

Melting Point
190ºC
Appearance
Monoclinic colorless flake crystal

Export information

HS Code
28322000
Export Rebate
0%
UN No.
0.0
DG-Class
0.0
Risk Code
R31; R36/37/38
Safety Label
Xi

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