Substance Information
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Substance Infocard
IC
1,3,6-Naphthalenetrisulfonic acid, 8-hydroxy-7-((4'-((2-hydroxy-1-naphthalenyl)azo)-(1,1'-biph
EC / List no.: 613-540-2
CAS no.: 6426-67-1
Mol. Formula:

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
- Substances predicted as likely to meet criteria for category 1A or 1B carcinogenicity, mutagenicity, or reproductive toxicity.
- Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA.
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CAD - Chemical Agents Directive
- CAD - Chemical Agents Directive, Annex III - ProhibitionsEU. Directive 98/24/EC, Annex III, Prohibitions, OJ (L 131) 11, 5 May 1998

Substance names and other identifiers
Regulatory process names
1,3,6-Naphthalenetrisulfonic acid, 8-hydroxy-7-((4'-((2-hydroxy-1-naphthalenyl)azo)-(1,1'-biph
Other
1,3,6-Naphthalenetrisulfonic acid, 8-hydroxy-7-((4'-((2-hydroxy-1-naphthalenyl)azo)-(1,1'-biphenyl)-4-yl)-azo)-, trisodium salt
Other
1,3,6-Naphthalenetrisulfonic acid, 8-hydroxy-7-[[4'-[(2-hydroxy-1-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-, trisodium salt
Pre-Registration process
1,3,6-Naphthalenetrisulfonic acid, 8-hydroxy-7-[[][[]4'-[[](2-hydroxy-1-naphthalenyl)azo][[]1,1'-biphenyl]-4-yl]azo]-, trisodium salt
Other
C.I. Direct Violet 22, trisodium salt
Other
Other names
C.I. Direct Violet 22
Pre-Registration process
Other identifiers
6426-67-1
Pre-Registration process, Other
CAS number

Group parents
This substance has been identified as member of the following groups of substances:
Name | EC / List no. | CAS no. | Association |
---|---|---|---|
Benzidine and its salts | - | - | Expert judgement |
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