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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Solvent Red 1 |
| Synonyms: | SOLVENT RED 1;SUDAN R;SUDAN RED 290;SUDAN RED G;PIGMENT PURPLE;OIL RED 113;oil red g;1-((2-methoxyphenyl)azo)-2-naphthaleno |
| CAS: | 1229-55-6 |
| MF: | C17H14N2O2 |
| MW: | 278.31 |
| EINECS: | 214-968-9 |
| Product Categories: | Organics;Aromatics;Intermediates & Fine Chemicals;Pharmaceuticals |
| Mol File: | 1229-55-6.mol |
| Melting point | 179 °C |
| Boiling point | 421.12°C (rough estimate) |
| density | 1.1222 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.5500 (estimate) |
| storage temp. | room temp |
| solubility | Chloroform (Slightly), Methanol (Very Slightly) |
| form | powder |
| pka | 13.61±0.50(Predicted) |
| Colour Index | 12150 |
| color | Orange to Brown |
| Water Solubility | 330ng/L at 25℃ |
| BRN | 1843558 |
| Stability: | Hygroscopic, Light sensitive |
| Cosmetics Ingredients Functions | HAIR DYEING COLORANT |
| LogP | 7.5 |
| CAS DataBase Reference | 1229-55-6(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Naphthalenol, 1-[(2-methoxyphenyl)azo]- (1229-55-6) |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 22-24/25-36-26-S24/25-S22 |
| WGK Germany | 2 |
| RTECS | GE5844740 |
| HS Code | 32129000 |
| Hazardous Substances Data | 1229-55-6(Hazardous Substances Data) |
| Provider | Language |
|---|---|
| Solvent Red 1 | English |
| SigmaAldrich | English |
| Chemical Properties | Solvent Red 1, also known as Sudan Red G, is a yellowish red lysochrome azo dye. It has the appearance of an odorless reddish-orange powder with melting point 225 °C. It is soluble in fats and used for coloring of fats, oils, and waxes, including the waxes used in turpentine-based polishes. It is also used in polystyrene, cellulose, and synthetic lacquers. It is insoluble in water. It is stable to temperatures of about 100–110 °C. It was formerly used as a food dye, but still appears to be used for this purpose in china. It is used in some temporary tattoos, where it can cause contact dermatitis. It is also used in hair dyes. It is a component of some newer formulas for red smoke signals and smoke-screens, together with Disperse Red 11. | |||||||||||||||
| Sudan dyes and para red in food. Dyes and metabolites, Environmental Testing. | ||||||||||||||||
| Preparation | O-Anisidine diazotization, and Naphthalen-2-ol coupling. | |||||||||||||||
| Sudan dyes are classified under the azo dyes group of organic compounds that are commonly utilized as additive materials for industrial and scientific applications. | ||||||||||||||||
| Safety Profile | An eye irritant. When heated to decomposition it emits toxic fumes of NOx. | |||||||||||||||
red to yellow red orange. Appearance is red to yellow red orange powder, the products by glacial acetic acid crystallization melting point 180 ℃. Soluble in boiling ethanol to red. Light fastness is poorer, in 110 ℃ when stability. In concentrated sulfuric acid for deep red, dilution after dark red precipitation. The alcohol solution to join hydrochloric acid for wine red; Add sodium hydroxide as orange. Mainly used in oil, wax and cultural and educational supplies coloring.
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| Raw materials | o-Anisidine-->2-Naphthol |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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