Potassium Metabisulfite

Characteristics

INCI

Potassium Metabisulfite

CAS

16731-55-8, 4429-42-9 i

This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.

EC

240-795-3 i

This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.

IUPAC

Dipotassium Disulphite

Functions

hair waving or straightening, preservative, reducing

EU Restr.

III/99 V/9 i

EU regulatory status: restricted use. The ingredient is permitted in EU cosmetics but its use and labelling are regulated.

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