1934-21-0
1934-21-0 structure
- Name: Tartrazine
- Chemical Name: tartrazine
- CAS Number: 1934-21-0
- Molecular Formula: C16H9N4Na3O9S2
- Molecular Weight: 534.36
- Catalog: Dyes and pigments dye Acid Dyestuff
- Create Date: 2018-02-05 08:00:00
- Modify Date: 2026-06-30 03:45:58
| Name | tartrazine |
|---|---|
| Synonyms |
Trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-2,5-dihydro-1H-pyrazole-3-carboxylate
1310yellow c.i.640 1H-Pyrazole-3-carboxylic acid, 2,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(E)-2-(4-sulfophenyl)diazenyl]-, sodium salt (1:3) EINECS 217-699-5 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodium salt C16H9N4Na3O9S2 YELLOW 5 Tartrazin TARTRAZINE FD & C Yellow 5 y-4 3-carboxy-5-hydroxy-1-para-sulfophenyl-4-para-sulfophenylazopyrazole trisodium salt FD & C Yellow No. 5 Food Yellow No. 4 TARTAZINE tartarazine E102 MFCD00148908 FD and C Yellow No. 5 Acid Yellow 23 1H-pyrazole-3-carboxylic acid, 2,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(E)-(4-sulfophenyl)azo]-, trisodium salt l-gelb2 Filter Yellow |
| Density | 1.93 g/cm3 (20ºC) |
|---|---|
| Melting Point | 300ºC |
| Molecular Formula | C16H9N4Na3O9S2 |
| Molecular Weight | 534.36 |
| PSA | 220.19000 |
| LogP | 2.78190 |
| Storage condition | -20°C |