Is Ammonium Bisulfite safe in cosmetics?
Ammonium Bisulfite has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.
Ammonium Bisulfite
Also known as: Sulfurous acid, ammonium salt (1:1), Ammonium acid sulfite, Ammonium hydrogen sulfite, Ammonium hydrosulfite, Ammonium monosulfite (+5 more)
INCI: AMMONIUM BISULFITE
Ammonium Bisulfite (CAS 10192-30-0) is a cosmetic cosmetic ingredient functioning as Reducing agent for hair waving and straightening, antioxidant, preservative. NOAEL 53 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted, max 0.2%; GHS signal word WARNING. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 10192-30-0 →
Auto-generated CPSR Part A draft with source citations
Function
Reducing agent for hair waving and straightening, antioxidant, preservative
Safety Rating
MODERATE
Regulatory Status
EU EU Status
restricted
EU Max Conc.
0.2%
US US Status
permitted
US Notes
CIR: safe as used in cosmetic formulations; related sulfites are FDA GRAS
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Ammonium Bisulfite.
Calculate MoS for your specific formulation with the MoS Calculator.
GHS Hazard Classification
Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.
Signal Word
WARNING
Pictograms
Excl markWarn
Hazard Statements
Harmful if swallowed Harmful to aquatic life
Short-term Exposure Effects
The substance is irritating to the eyes, skin, respiratory tract and gastrointestinal tract. Exposure could cause asthma-like reactions or urticaria in sensitive persons.
Long-term Exposure Effects
Repeated or prolonged inhalation may cause asthma-like symptoms. The substance may have effects on the skin.
Routes of Exposure
The substance can be absorbed into the body by ingestion.
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Ammonium Bisulfite across SCCS product categories, with measured dermal absorption where available.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
10,000 - 100,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Hair waving or straightening
Preservative
Reducing agent
Expert Verdict
Expert safety assessment and concern-level summary for Ammonium Bisulfite.
Regulatory Flags
preservative
Known Synonyms
Sulfurous acid, ammonium salt (1:1)
Ammonium acid sulfite
Ammonium hydrogen sulfite
Ammonium hydrosulfite
Ammonium monosulfite
Ammonium sulfite, hydrogen
EINECS 233-469-7
Monoammonium sulfite
UNII-8MW949D9GE
Sulfurous acid, monoammonium salt
Chemical Function
Preservative
Reducing agent
Hair waving or straightening
Regulatory Lists
inert_ingredient; non_food_use; Pesticides
fracking; water
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Ammonium Bisulfite allowed in the EU?
Ammonium Bisulfite EU regulatory status: restricted. Maximum allowed concentration: 0.2%. This is based on EU Regulation 1223/2009 and its amendments.
What does Ammonium Bisulfite do in cosmetics?
Ammonium Bisulfite functions as: Reducing agent for hair waving and straightening, antioxidant, preservative. It is classified as a cosmetic ingredient in our database. CAS number: 10192-30-0.
Is Ammonium Bisulfite classified as hazardous under GHS?
Ammonium Bisulfite carries a GHS signal word of "WARNING". Hazard statements: Harmful if swallowed Harmful to aquatic life. This classification is based on the ILO/WHO International Chemical Safety Card and ECHA C&L inventory data. Note: GHS classification applies to the pure substance — at cosmetic use concentrations, hazard thresholds may not be met.
Is Ammonium Bisulfite used outside cosmetics?
Ammonium Bisulfite also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Ammonium Bisulfite compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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