4,5-dihydro-5-oxo-1-(4-sulphophenyl)-4-[(4-sulphophenyl)azo]-1H-pyrazole-3-carboxylic acid

Modify Date: 2024-01-14 10:54:06

4,5-dihydro-5-oxo-1-(4-sulphophenyl)-4-[(4-sulphophenyl)azo]-1H-pyrazole-3-carboxylic acid Structure
4,5-dihydro-5-oxo-1-(4-sulphophenyl)-4-[(4-sulphophenyl)azo]-1H-pyrazole-3-carboxylic acid structure
Common Name 4,5-dihydro-5-oxo-1-(4-sulphophenyl)-4-[(4-sulphophenyl)azo]-1H-pyrazole-3-carboxylic acid
CAS Number 34175-08-1 Molecular Weight 468.41800
Density 1.82g/cm3 Boiling Point N/A
Molecular Formula C16H12N4O9S2 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name tartrazine acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.82g/cm3
Molecular Formula C16H12N4O9S2
Molecular Weight 468.41800
Exact Mass 468.00500
PSA 220.19000
LogP 2.78190
Index of Refraction 1.76

 Synonyms

5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)diazenyl]-4H-pyrazole-3-carboxylic acid
C. I. Acid Yellow 23
EINECS 251-862-1