Substance Information

Substance Infocard


5-[(2,4-dinitrophenyl)amino]-2-anilinobenzenesulphonic acid

EC / List no.: 239-377-3

CAS no.: 15347-52-1

Mol. Formula: C18H14N4O7S

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Key datasets


Regulatory context

Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance):

REACH - Registration, Evaluation, Authorisation and Restriction of Chemicals Regulation
Previous Legislations
  • Substances listed in the EINECS, ELINCS, or NLP inventories.
Cosmetic Products Regulation
  • Cosmetic Products Regulation, Annex II - Prohibited Substances
    EU. Prohibited Substances: Annex II, Regulation 1223/2009/EC on Cosmetic Products, as amended by Regulation (EU) 2020/1683, 13 November 2020

    This list contains substances which are banned from use in any cosmetic products marketed for sale or use in the European Union.

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Substance names and other identifiers

Regulatory process names
5-((2,4-Dinitrophenyl)amino)-2-anilinobenzenesulphonic acid
5-[(2,4-dinitrophenyl)amino]-2-anilinobenzenesulphonic acid
EC Inventory
5-[(2,4-dinitrophenyl)amino]-2-anilinobenzenesulphonic acid
Pre-Registration process
5-[[](2,4-dinitrophenyl)amino]-2-anilinobenzenesulphonic acid
Benzenesulfonic acid, 5-[(2,4-dinitrophenyl)amino]-2-(phenylamino)-
Cosmetic Products Regulation, Annex II - Prohibited Substances
CI acid orange 3
IUPAC names
2-anilino-5-(2,4-dinitroanilino)benzenesulfonic acid
5-[(2,4-dinitrophenyl)amino]-2-(phenylamino)benzene-1-sulfonic acid
Other identifiers
EC Inventory, Pre-Registration process, Cosmetic Products Regulation, Annex II - Prohibited Substances, Other
CAS number