AZOCARMINE B
- CAS NO.：25360-72-9
- Empirical Formula: C28H19N3O9S3.2Na
- Molecular Weight: 681.62
- MDL number: MFCD00012125
- EINECS: 246-897-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:19
What is AZOCARMINE B?
Preparation
will azo Carmine CX (C.I.Acid Red 101, C.I. 50085) with 24% hair smoke sulfuric acid in 70 ~ 80 ℃ Sulfonation, make the generation of the three sulfonic acid, again as acid sodium salt out two segregation.
Definition
ChEBI: Azocarmine B is an organic sodium salt that is the disodium salt of 4-[(7-phenyl-3-sulfobenzo[a]phenazin-7-ium-5-yl)amino]benzene-1,3-disulfonic acid. It has a role as a histological dye. It contains an azocarmine B(2-).
Properties and Applications
blue-ray red. Soluble in water for blue-ray red. The strong sulfuric acid for green, dilute after brown precipitation. Join the hydrochloric acid in aqueous solution after brown precipitation.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 2-3 | 3 | 2 | 1-2 | 2-3 | ||
Properties of AZOCARMINE B
| Melting point: | ≥300 °C |
| CAS DataBase Reference | 25360-72-9 |
Safety information for AZOCARMINE B
Computed Descriptors for AZOCARMINE B
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