Tromethamine HCl

Also known as: 2-Amino-2-(hydroxymethyl)propane-1,3-diol hydrochloride (1:1) (1,3-Propanediol, 2-amino-2-(hydroxymethyl)-, hydrochloride), EINECS 214-684-5, Tris hydrochloride buffer, UNII-383V75M34E

INCI: TROMETHAMINE HCL

Tromethamine HCl (CAS 1185-53-1) is a cosmetic cosmetic ingredient functioning as pH adjuster, buffering agent (protonated/acidic form of tromethamine). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 1185-53-1 →

Auto-generated CPSR Part A draft with source citations
Function
pH adjuster, buffering agent (protonated/acidic form of tromethamine)
Safety Rating
EXCELLENT

Chemistry & Identifiers

Formula
C4H12ClNO3
MW
157.59 g/mol
EC Number
214-684-5
PubChem CID
93573
IUPAC Name
2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride
InChIKey
QKNYBSVHEMOAJP-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes CIR-reviewed as part of tromethamine group — safe in the practices of use and concentration

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Tromethamine HCl.

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Expert Verdict

Expert safety assessment and concern-level summary for Tromethamine HCl.

Known Synonyms

2-Amino-2-(hydroxymethyl)propane-1,3-diol hydrochloride (1:1) (1,3-Propanediol, 2-amino-2-(hydroxymethyl)-, hydrochloride) EINECS 214-684-5 Tris hydrochloride buffer UNII-383V75M34E

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

ChEMBL ID
CHEMBL3183206
View full pharmaceutical profile →

Frequently Asked Questions

Is Tromethamine HCl safe in cosmetics?

Tromethamine HCl has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.

Is Tromethamine HCl allowed in the EU?

Tromethamine HCl EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Tromethamine HCl do in cosmetics?

Tromethamine HCl functions as: pH adjuster, buffering agent (protonated/acidic form of tromethamine). It is classified as a cosmetic ingredient in our database. CAS number: 1185-53-1.

Is Tromethamine HCl used outside cosmetics?

Tromethamine HCl also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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