Alizarin yellow GG
GRG - C.I. 14025
| Code | Pack Size | Price | |
|---|---|---|---|
| 257S1 | 25g | £11.99 | Out of Stock |
Alizarin Yellow GG
- CAS Number: 584–42–9
- EINECS: 209–536–1
- Molecular Weight: 309.21
- Molecular Formula: C13H8N3NaO5
- Other Names: Acid Chrome Yellow GG, Alizarine Yellow GGW, Anthranol Chrome Yellow 5GS, Benzoic acid, 2-hydroxy-5-[(3-nitrophenyl)azo]-, monosodium salt, C.I. 14025, Sodium m-nitrobenzeneazosalicylate
- Physical Appearance: yellow to orange to brown powder
- Odour: odourless
- Solubility: soluble in cold water
- Uses: Biological stain and acid base indicator
Acid-Base indicator – alizarin Yellow GG

- Type: In + H2O
InH+ + OH- - pK: 11.0
- Approximate pH range for color change: 10.0–12.0
- Color of acid form: clear
- Color of base form: yellow
