Solvent Red 25
- CAS NO.：3176-79-2
- Empirical Formula: C24H20N4O
- Molecular Weight: 380.44
- MDL number: MFCD00021456
- EINECS: 221-647-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:09
What is Solvent Red 25?
The Uses of Solvent Red 25
Solvent Red 25 (cas# 3176-79-2) is a useful research chemical. Dyes and metabolites, Environmental Testing.
Preparation
2-Methyl-4-(o-tolyldiazenyl)benzenamine diazotization, and Naphthalen-2-ol coupling.
Properties and Applications
red. Red powder. Insoluble in water, soluble in ethanol, acetone and so on the many kinds of solvent, resistance to 5% of hydrochloric acid and sodium carbonate. In concentrated sulfuric acid to blue light green, dilution after red precipitation; In 10% of the sulfuric acid insoluble; In concentrated sodium hydroxide solution insoluble; In concentrated nitric acid for brown solution; In 10% sodium hydroxide solution insoluble.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Good | 150 | Insoluble | General | Good | |
Properties of Solvent Red 25
| Melting point: | 173-175 °C(lit.) |
| Boiling point: | 618.8±55.0 °C(Predicted) |
| Density | 1.19±0.1 g/cm3(Predicted) |
| storage temp. | Refrigerator |
| solubility | Acetonitrile (Slightly), Dichloromethane (Slightly), DMSO (Slightly) |
| form | Solid |
| Colour Index | 26110 |
| pka | 13.45±0.50(Predicted) |
| color | Very Dark Red |
| CAS DataBase Reference | 3176-79-2(CAS DataBase Reference) |
Safety information for Solvent Red 25
Computed Descriptors for Solvent Red 25
Solvent Red 25 manufacturer
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