Cosmetic Ingredient

Acetanilid

INCI: ACETANILID
CAS 103-84-4 EC 203-150-7
Acetanilide
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Acetanilide

Purpose

Function

Historical antipyretic/analgesic; no legitimate cosmetic function
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Banned
Safety
POOR
US
Banned
Absorptionhigh
Sensitizationhigh
MoSnot established
NOAEL22 mg/kg
ConcernHigh
Flags
ifra_fragrance
Verdict

Methemoglobinemia risk — metabolizes to aniline (a known toxic/carcinogenic aromatic amine). Absolute ban in EU cosmetics. Do not formulate under any circumstances.

US Note

Not permitted in cosmetics by practice; FDA would consider it an unsafe additive

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
103-84-4
EC Number
203-150-7
INCI
ACETANILID
Category
Cosmetic Ingredient
Updated
Apr 2, 2026