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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
4-amino-5-hydroxynaphthalene-2,7-disulfonic acid; 4-nitroaniline; 5-amino-2-(phenylamino)benzene-1-sulfonic acid; benzene-1,3-diol

Inventory

EC number:
291-639-6
EC name:
2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with resorcinol, coupled with diazotized 5-amino-2-(phenylamino)benzenesulfonic acid and diazotized 4-nitrobenzenamine
CAS number:
90432-09-0
CAS number:
90432-09-0
Synonyms
Names:
Reaction products of diazotised Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate coupled with Resorcinol (1:1), coupled with diazotised 5-amino-2-anilinobenzenesulphonic acid (1:1), coupled with diazotised 4-nitroaniline (1:2), sodium salts

Molecular and structural information

Molecular formula:
Not applicable for UVCB substance

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