Solvent Red 25
Solvent Red 25 Basic information
- Product Name:
- Solvent Red 25
- Synonyms:
-
- 1-[4-(3-Methylphenylazo)-3-methylphenylazo]naphthalene-2-ol
- Einecs 221-647-7
- Sudan Red B/Solvent Red 25
- Sudan B
- 1-[[3-methyl-4-[(3-methylphenyl)azo]phenyl]azo]-2-naphthaleno
- C.I.Solventred25
- TransparentredYJO-1
- solvent red 25
- CAS:
- 3176-79-2
- MF:
- C24H20N4O
- MW:
- 380.44
- EINECS:
- 221-647-7
- Product Categories:
-
- Organics
- Solvent Dyestuff
- Mol File:
- 3176-79-2.mol
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Solvent Red 25 Chemical Properties
- 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
- pka
- 13.45±0.50(Predicted)
- Colour Index
- 26110
- color
- Very Dark Red
- CAS DataBase Reference
- 3176-79-2(CAS DataBase Reference)
MSDS
- Language:English Provider:SigmaAldrich
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Solvent Red 25 Usage And Synthesis
Uses
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 | |
Solvent Red 25Supplier
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