3-Amino-2,4-Dichlorophenol HCl

Also known as: UNII-S5N19I6VR4, 2,4-Dichloro-3-aminophenol hydrochloride, Phenol, 3-amino-2,4-dichloro-, hydrochloride, Phenol, 3-amino-2,4-dichloro-, hydrochloride (1:1)

INCI: 3-AMINO-2,4-DICHLOROPHENOL HCL

3-Amino-2,4-Dichlorophenol HCl (CAS 61693-43-4) is a cosmetic cosmetic ingredient functioning as Hair dyeing hydrochloride salt. EU Regulation 1223/2009 status: prohibited, max 1.5%. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 61693-43-4 →

Auto-generated CPSR Part A draft with source citations
Function
Hair dyeing hydrochloride salt
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C6H6Cl3NO
MW
214.5 g/mol
PubChem CID
19898117
IUPAC Name
3-amino-2,4-dichlorophenol;hydrochloride
InChIKey
MQWQWQBIVSVACH-UHFFFAOYSA-N

Regulatory Status

EU EU Status prohibited
EU Max Conc. 1.5%
US US Status permitted
US Notes Coal tar hair dye exemption under FD&C Act §601(a)

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 3-Amino-2,4-Dichlorophenol HCl.

Calculate MoS for your specific formulation with the MoS Calculator.

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
KR prohibited - -

Additional Ingredient Properties

1 property record from structured ingredient metadata.

hair_dye
{"cas_number": "61693-42-3", "ingredient_class": "oxidative_dye_coupler", "chemical_class": "other", "molecular_weight_Da": "214.48", "color_result_on_hair": "Red modifier", "shade_range": "red", "primary_function": "coupler", "oxidative_dye_type": "coupler", "requires_developer": "yes", "permanence": "permanent", "oxidation_mechanism": "coupling", "hair_penetration_depth": "cortex", "sensitizatio…

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye

Expert Verdict

Expert safety assessment and concern-level summary for 3-Amino-2,4-Dichlorophenol HCl.

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to 3-Amino-2,4-Dichlorophenol HCl by CAS number or substance name.

Studies
28
Lowest NOAEL
0.41
Highest NOAEL
2000

Units vary across source rows: mg/kg bw/d, mg/kg, mg/kg bw

SCCS_vision_codex

Known Synonyms

UNII-S5N19I6VR4 2,4-Dichloro-3-aminophenol hydrochloride Phenol, 3-amino-2,4-dichloro-, hydrochloride Phenol, 3-amino-2,4-dichloro-, hydrochloride (1:1)

Chemical Function

Dye

Frequently Asked Questions

Is 3-Amino-2,4-Dichlorophenol HCl safe in cosmetics?

3-Amino-2,4-Dichlorophenol HCl has a safety rating of "MODERATE" in our database. EU status: prohibited. US status: permitted.

Is 3-Amino-2,4-Dichlorophenol HCl allowed in the EU?

3-Amino-2,4-Dichlorophenol HCl EU regulatory status: prohibited. Maximum allowed concentration: 1.5%. This is based on EU Regulation 1223/2009 and its amendments.

What does 3-Amino-2,4-Dichlorophenol HCl do in cosmetics?

3-Amino-2,4-Dichlorophenol HCl functions as: Hair dyeing hydrochloride salt. It is classified as a cosmetic ingredient in our database. CAS number: 61693-43-4.

Is 3-Amino-2,4-Dichlorophenol HCl used outside cosmetics?

3-Amino-2,4-Dichlorophenol HCl also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does 3-Amino-2,4-Dichlorophenol HCl have different safety status in cosmetics vs industrial chemicals?

3-Amino-2,4-Dichlorophenol HCl is prohibited in EU cosmetics at max 1.5% but has active industrial GHS classifications (H302, H315, H317, H318, H319, H335, H411).

Is 3-Amino-2,4-Dichlorophenol HCl in Your Products?

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