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MEA-Sulfite
AKA “2-Hydroxyethylammonium hydrogen sulphite, UNII-2Z55RA7FXV, EINECS 236-546-3, 2Z55RA7FXV, DTXSID2050401, M-ESN, RefChem:159569, MEA-SULFITE [INCI], DTXCID3029449, 2-AMINOETHANOL HYDROSULFITE”
Ingredient
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Ingredient Facts
MEA-Sulfite
AKA: 2-Hydroxyethylammonium hydrogen sulphite, UNII-2Z55RA7FXV, EINECS 236-546-3, 2Z55RA7FXV, DTXSID2050401, M-ESN, RefChem:159569, MEA-SULFITE [INCI], DTXCID3029449, 2-AMINOETHANOL HYDROSULFITE
Ingredient · Hair Fixing · EWG: 4
Synthetic
Not Clean
2-Hydroxyethylammonium Hydrogen Sulphite
Formula
C2H9NO4S
Mol. Weight
143.16
CAS #
13427-63-9
Form
Powder
See origin →
Functions
Hair Fixing
Holds hair in place
Traditional Use
A modern synthetic preservative and antioxidant ingredient developed for cosmetics. Used to prevent oxidation and microbial growth in formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR