China (Mainland)
Food Grade Tartrazine; Acid Yellow 23; Food Yellow 4 CAS 1934-21-0 CAS NO.1934-21-0
- Min.Order: 25 Kilogram
- Payment Terms: L/C,D/P,T/T,Other
- Available Specifications:
- Product Details
Keywords
- 1H-Pyrazole-3-carboxylicacid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-,sodium salt (1:3)
- A.F. Yellow No.4
- AY 23
Quick Details
- ProName: Acid Yellow 23
- CasNo: 1934-21-0
- Molecular Formula: C16H9N4Na3O9S2
- Appearance: Orange or Bright Orange Powder
- PackAge: Drum
- Port: shanghai
- ProductionCapacity: 5 Metric Ton/Year
- Purity: 99
- Storage: Normal
- LimitNum: 25 Kilogram
Superiority
Acid Yellow 23 [1934-21-0]
| Name | Acid Yellow 23 | |
| Synonyms | C.I.19140; Tartrazine; Food Yellow 4; Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate | |
| Molecular Structure | ||
| Molecular Formula | C16H9N4Na3O9S2 | |
| Molecular Weight | 534.36 | |
| CAS Registry Number | 1934-21-0 (642-62-6) | |
| Properties | ||
| Melting point | 300 ºC | |
| Water solubility | 260 g/L (30 ºC) | |