PONTACYL CARMINE 2B
- CAS NO.：6625-46-3
- Empirical Formula: C19H15N3Na2O9S2
- Molecular Weight: 539.45
- MDL number: MFCD00059131
- EINECS: 229-584-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:12
What is PONTACYL CARMINE 2B?
The Uses of PONTACYL CARMINE 2B
Pontacyl Carmine 2b, tech. is an organic dye and a water pollutant, removed from the environment via decolourisation by fungal strains.
Preparation
O-Anisidine diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling.
Properties and Applications
red light purple. Soluble in water for ruby red, and adequate soluble in ethanol ruby red colour. The strong sulfuric acid for purple, diluted for pink. In water solution to join strong hydrochloric acid for ruby red, add thick sodium hydroxide solution for orange brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 2 | 2-3 | 2 | 2 | 3 | ||
| AATCC | 4 | 2 | 2 | 1 | 2 | 2-3 | ||
Properties of PONTACYL CARMINE 2B
| storage temp. | Amber Vial, Refrigerator, Under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly, Heated) |
| form | Solid |
| Colour Index | 18075 |
| color | Very Dark Red |
| Stability: | Hygroscopic, Light Sensitive |
| EPA Substance Registry System | C.I. Acid Violet 12, disodium salt (6625-46-3) |
Safety information for PONTACYL CARMINE 2B
Computed Descriptors for PONTACYL CARMINE 2B
PONTACYL CARMINE 2B manufacturer
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