Ferrous Sulphate

Synonym(s): Green vitriol, Iron vitriol 
CAS Number: 7720-78-7 
E Number: Not available at this time 
INS Number: Not available at this time

International Organisations 

Codex Alimentarius 

-Food Category, Functional Class and Recommended Usage is not available at this time. 

International Organisation of Vine and Wine (OIV) 

-Food Category, Functional Class and Recommended Usage is not available at this time. 

FIVS 

Classification Category 2 – Naturally occurring in grapes and treatment residual in wine 

Recommended Usage 

Please refer to the Joint FAO/WHO Expert Committee on Food Additives’ (JECFA) “acceptable daily intake” (ADI) for recommended usage.

Usage in Winemaking: 

Ferrous sulphate is used to clarify and stablise wines. It is also used in the prevention of metallic hazes.

See FIVS technical papers for more information - click here.