Thioacetanilide

Also known as: Ethanethioamide, N-phenyl-, BRN 2205727, EINECS 211-288-4, NSC 36984, N-Phenylthioacetamide (+2 more)

INCI: THIOACETANILIDE

Thioacetanilide (CAS 637-53-6) is a cosmetic cosmetic ingredient functioning as Antioxidant, bleaching. 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 637-53-6 →

Auto-generated CPSR Part A draft with source citations
Function
Antioxidant, bleaching
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C8H9NS
MW
151.23 g/mol
PubChem CID
820777
IUPAC Name
N-phenylethanethioamide
InChIKey
MWCGLTCRJJFXKR-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted for cosmetic use; no specific restrictions

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Antioxidant Bleaching agent

Expert Verdict

Expert safety assessment and concern-level summary for Thioacetanilide.

Known Synonyms

Ethanethioamide, N-phenyl- BRN 2205727 EINECS 211-288-4 NSC 36984 N-Phenylthioacetamide USAF EK-1902 UNII-L9AL2GO03Y

Chemical Function

Antioxidant Bleaching agent

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
CHEMBL3740596
View full pharmaceutical profile →

Frequently Asked Questions

Is Thioacetanilide safe in cosmetics?

Thioacetanilide has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Thioacetanilide allowed in the EU?

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

What does Thioacetanilide do in cosmetics?

Thioacetanilide functions as: Antioxidant, bleaching. It is classified as a cosmetic ingredient in our database. CAS number: 637-53-6.

Is Thioacetanilide used outside cosmetics?

Thioacetanilide 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.

Is Thioacetanilide in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Thioacetanilide in your formulation.