2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid when used as a substance in hair and eyelash dye products
2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid when used as a substance in hair and eyelash dye products is listed in Annex II as a prohibited substance for cosmetic products placed on the EU market.
Chemical identity and properties

Benzoic acid, 2-((4-amino-2-nitrophenyl)amino)-
- IUPAC name
- 2-(4-amino-2-nitroanilino)benzoic acid
- Molecular formula
- C13H11N3O4
- Molecular weight
- 273.24 g/mol
- Exact mass
- 273.07495584 Da
- XLogP3
- 3.9
- Topological polar surface area
- 121.0 Ų
- Hydrogen-bond donors
- 3
- Hydrogen-bond acceptors
- 6
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
6 more reported names
External database identifiers
- EPA DTXSID:DTXSID70151952
Evidence from additional scientific databases
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Signal: Danger Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
- GHS Hazard Statements: H317: May cause an allergic skin reaction [Warning Sensitization, Skin]; H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]; H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
- Precautionary Statement Codes: P261, P264+P265, P272, P273, P280, P302+P352, P305+P354+P338, P317, P321, P333+P317, P362+P364, and P501 (click each P-code to see the statement) Source: Regulation (EC) No 1272/2008 of the European Parliament and of the Council
- Signal: Danger Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]; H318 (100%): Causes serious eye damage [Danger Serious eye damage/eye irritation]; H412 (100%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P261, P264+P265, P272, P273, P280, P302+P352, P305+P354+P338, P317, P321, P333+P317, P362+P364, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 13 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Signal: Danger Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- GHS Hazard Statements: H317: May cause an allergic skin reaction [Warning Sensitization, Skin]; H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]; H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
- Precautionary Statement Codes: P261, P264+P265, P272, P273, P280, P302+P352, P305+P354+P338, P317, P321, P333+P317, P362+P364, and P501 (click each P-code to see the statement) Source: Hazardous Chemical Information System (HCIS), Safe Work Australia
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Record details
Chemical name
2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid when used as a substance in hair and eyelash dye products
Chemical / IUPAC name
2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid (*) when used as a substance in hair and eyelash dye products. (*) From 3 September 2021 hair and eyelash dye products containing those substances shall not be placed on the Union market. From 3 June 2022 hair and eyelash dye products containing those substances shall not be made available on the Union market.
Regulatory information
Identified ingredients
Key data
Inventory links for 2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid when used as a substance in hair and eyelash dye products
4-AMINO-2-NITRODIPHENYLAMINE-2'-CARBOXYLIC ACID
Related records for 2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid when used as a substance in hair and eyelash dye products
Direct matches are limited for this record, so nearby entries from Annex II are shown as well.
4-Amino-3-hydroxytoluene when used as a substance in hair and eyelash dye products.
1,2,4-Trihydroxybenzene when used as a substance in hair and eyelash dye products
Metaldehyde (ISO); 2,4,6,8-tetramethyl- 1,3,5,7-tetraoxacyclooctane
Triflumizole (ISO); (1E)-N-[4-chloro-2-(trifluoromethyl)phenyl]-1- (1H-imidazol-1-yl)-2- propoxyeth…
Bupirimate (ISO); 5-butyl-2-ethylamino-6- methylpyrimidin-4-yl dimethylsulfamate
Dibenzo[b,def]chrysene; dibenzo[a,h]pyrene
3,7-Dimethylocta-2,6- dienenitrile
Ethanol, 2,2'-iminobis-, N- (C13-15-branched and linear alkyl) derivs.
What Annex II means for 2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid when used as a substance in hair and eyelash dye products
2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid when used as a substance in hair and eyelash dye products is listed as a prohibited substance under Annex II of EU Cosmetics Regulation 1223/2009 and must not be intentionally added. Article 17 separately addresses unintended small quantities that are technically unavoidable under good manufacturing practice and compatible with the Article 3 safety requirement.
Formulators must screen their ingredients and raw materials to ensure none contain this substance. Suppliers should provide documentation confirming absence when requested.
This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.
Compliance checklist
- Verify this substance is absent from all raw materials and finished formulations.
- Request absence confirmation or CoA from raw material suppliers.
- Document the screening result in the Product Information File (PIF).
Frequently asked questions
Source note for Annex II record 2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid when used as a substance in hair and eyelash dye products
This page summarizes one Annex II record for 2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid when used as a substance in hair and eyelash dye products from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.
Use this record page to review Annex II conditions for 2-[(4-Amino-2-nitrophenyl)-amino]-benzoic acid when used as a substance in hair and eyelash dye products, but confirm any final regulatory decision against the current official annex wording and source files.
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