- Solvent Red 25
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- $0.00 / 1KG
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2026-05-08
- CAS:3176-79-2
- Min. Order: 1KG
- Purity: 98%
- Supply Ability: 200kg/month
- Solvent Red 25
-
- $1.00 / 1Kg
-
2024-07-08
- CAS:3176-79-2
- Min. Order: 1Kg
- Purity: 98%
- Supply Ability: 20T
- Solvent Red 25
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- $3.00 / 1KG
-
2020-01-09
- CAS:3176-79-2
- Min. Order: 1KG
- Purity: 98%
- Supply Ability: 200KG
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| | 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 |  |
| | 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) | | pka | 13.45±0.50(Predicted) | | form | Solid | | Colour Index | 26110 | | color | Very Dark Red | | Major Application | cleaning products
cosmetics
food and beverages
personal care | | InChI | 1S/C24H20N4O/c1-16-6-5-8-19(14-16)25-27-22-12-11-20(15-17(22)2)26-28-24-21-9-4-3-7-18(21)10-13-23(24)29/h3-15,29H,1-2H3/b27-25+,28-26+ | | InChIKey | NHXXLZBKTKNTEF-NBHCHVEOSA-N | | SMILES | Cc1cccc(c1)\N=N\c2ccc(cc2C)\N=N\c3c(O)ccc4ccccc34 | | CAS DataBase Reference | 3176-79-2(CAS DataBase Reference) |
| WGK Germany | 3 | | Storage Class | 11 - Combustible Solids |
| | 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.
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Standard
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Light Fastness
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Heat-resistant(℃)
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water
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Sodium Carbonate(5%)
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Hydrochloric acid(5%)
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Melting point
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Stable
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ISO
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Good
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150
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Insoluble
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General
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Good
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| | Solvent Red 25 Preparation Products And Raw materials |
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