4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-4-(2-(4-sulfophenyl)diazenyl)-1H-pyrazole-3-carboxylic acid
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
1934-21-0
Chemical name
4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-4-(2-(4-sulfophenyl)diazenyl)-1H-pyrazole-3-carboxylic acid
Molecular formula
C16H12N4O9S2
Molecular weight
468.4 g/mol
Synonyms
4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-1H-pyrazole-3-carboxylic acid; FD&C Yellow No. 5 free acid; ACID YELLOW 23 FREE ACID; C.I. ACID YELLOW 23 (FREE ACID); 5-hydroxy-1-(4-sulfophenyl)-4-(4-sulfophenylazo)pyrazole-3-carboxylic acid; 5-hydroxy-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]pyrazole-3-carboxylic acid; 5-Hydroxy-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-1H-pyrazole-3-carboxylic acid; 1H-PYRAZOLE-3-CARBOXYLIC ACID, 4,5-DIHYDRO-5-OXO-1-(4-SULFOPHENYL)-4-(2-(4-SULFOPHENYL)DIAZENYL)-; 5-Oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylic acid
InChIKey
SXSWSYRFTJDJTA-UHFFFAOYSA-N
PubChem CID
16014
Signal word
Danger
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H317, H334
Catalog reference cue; confirm supplier documentation before use.
XLogP
0.7
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.