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2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, coupled with 4-amino-5-hydroxy-2-naphthalenesulfonic acid, diazotized 4-aminobenzenesulfonic acid and diazotized [1,1'-biphenyl]-4,4'-diamine

Regulatory process names 2  Other identifiers 1 
↓Groups: show-parent-groups

EC / List no.: 291-628-6

CAS no.: 90431-98-4

Mol. Formula:

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Key datasets

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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):

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About
REACH - Registration, Evaluation, Authorisation and Restriction of Chemicals Regulation
  • Pre-registered substances
    Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA.
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PIC - Prior Informed Consent Regulation
Previous Legislations
  • EC Inventory
    Substances listed in the EINECS, ELINCS, or NLP inventories.
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Substance names and other identifiers

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Regulatory process names
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, coupled with 4-amino-5-hydroxy-2-naphthalenesulfonic acid, diazotized 4-aminobenzenesulfonic acid and diazotized [1,1'-biphenyl]-4,4'-diamine
EC Inventory, PIC, Other
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, coupled with 4-amino-5-hydroxy-2-naphthalenesulfonic acid, diazotized 4-aminobenzenesulfonic acid and diazotized [1,1'-biphenyl]-4,4'-diamine
PIC, Pre-Registration process, Other
Other identifiers
90431-98-4
EC Inventory, PIC, Pre-Registration process, Other
CAS number
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Group parents

This substance has been identified as member of the following groups of substances:

Results list is empty
Name EC / List no. CAS no. Association
[No public or meaningful name is available] - - Official source
Benzidine, its salts and benzidine derivatives - - Expert judgement (ECHA)
[No public or meaningful name is available] - - Expert judgement (ECHA)