Acid Red 33
CAS 3567-66-6 EC 222-656-9
Disodium 5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate (CI 17200)
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details
Description
Disodium 5-amino-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonate (CI 17200)
Purpose
Function
non-reactive (semi-permanent) dye, colorant
Profile
Properties
Silicone
Silicone free
Compliance
Regulatory Status
EU
Permitted
Safety
GOOD
US
Permitted
Absorptionlow
Sensitizationlow
MoSadequate
NOAEL25 mg/kg
ConcernModerate
Flags
coloranteu_children_restrictedepa_safer_alternativeifra_fragranceeu_cosing_listed
Verdict
US lip-product limit of 3% by weight; ingested drug limit 0.75 mg/daily dose; batch certification required in US; not for eye area
US Note
Permitted – D&C Red No. 33, permanently listed (21 CFR 74.2333). Externally applied cosmetics; lip products ≤3%; mouthwashes/dentifrices. Not for eye area. Certification required
Assessment
Ratings
Reference