Basic Green 4
INCI: BASIC GREEN 4
CAS 569-64-2 EC 209-322-8
[4-[.alpha.[4-(dimethylamino)phenyl]benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride (CI 42000)
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details
Description
[4-[.alpha.[4-(dimethylamino)phenyl]benzylidene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium chloride (CI 42000)
Purpose
Function
Hair Dyeing
Profile
Properties
Silicone
Silicone free
Compliance
Regulatory Status
EU
Banned
Safety
POOR
US
Restricted
Absorptionmoderate
Sensitizationhigh
MoSnot established
NOAEL12 mg/kg
ConcernHigh
Verdict
Genotoxic and mutagenic in multiple assays with evidence of carcinogenicity in animal studies; reproductive toxicity concerns; globally banned in aquaculture and food applications; classified as a potential carcinogen.
US Note
Not an approved color additive; potentially usable only under the coal-tar hair dye exemption (FD&C Act §601(a)) with required caution labeling
Assessment
Ratings
Reference