Functional Roles
Industries Served
Physical Properties
melting_point
Decomposes at approximately 150 u00b0C
density
2.3 g/cu cm
solubility
Freely soluble in water; insoluble in alcohol
GHS / SDS Safety
Danger
Irritant
Corrosive
- H335 (84%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H318 (13.7%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H315 (90%): Causes skin irritation [Warning Skin corrosion/irritation]
Chemical Identity
| CAS Number | 16731-55-8 |
| InChI Key | RWPGFSMJFRPDDP-UHFFFAOYSA-L |
| PubChem CID | 28019 |
| INCI Name | POTASSIUM METABISULFITE |
Synonyms & Trade Names
Full Description
A white crystalline antioxidant used to preserve color and freshness in foods and beverages. Also serves as an antimicrobial agent in winemaking and food