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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

IUPAC name:
1-butyl-5-[(4-chlorophenyl)azo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinonitrile

Inventory

EC number:
274-126-1
EC name:
1-butyl-5-[(4-chlorophenyl)azo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinonitrile
CAS number:
69808-32-8
CAS number:
69808-32-8
Synonyms
Names:
Identifier:
common name
Solvent Yellow 141
1-butyl-5-[(4-chlorophenyl)azo]-1,2-dihydro-6-hydroxy-4- methyl-2-oxonicotinonitrile

Molecular and structural information

Molecular formula:
C17H17ClN4O2
Molecular weight:
ca. 344.799
SMILES notation:
Clc1ccc(cc1)/N=N/C2=C(O)N(CCCC)C(=O)C(C#N)=C2C
Structural formula:
Chemical structure

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