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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 23 |
| Synonyms: | 1-[[P-(PHENYLAZO)PHENYL]AZO]-2-NAPHTHOL;1-[4-(PHENYLAZO)PHENYLAZO]-2-NAPHTHOL;SCARLET B;SUDAN 3;SUDAN;SUDAN RED;SUDAN RED BK;SUDAN G |
| CAS: | 85-86-9 |
| MF: | C22H16N4O |
| MW: | 352.39 |
| EINECS: | 201-638-4 |
| Product Categories: | Azo;Pharmaceuticals;Solvent Dyestuff;Aromatics;Intermediates & Fine Chemicals;Organics |
| Mol File: | 85-86-9.mol |
| Melting point | 199 °C (dec.)(lit.) |
| Boiling point | 486.01°C (rough estimate) |
| density | 1.2266 (rough estimate) |
| refractive index | 1.6620 (estimate) |
| storage temp. | Store at +5°C to +30°C. |
| solubility | Insoluble in water; soluble in benzene, chloroform; moderately soluble in acetone, ether, petroleumether; slightly soluble in ethanol, xylene |
| pka | 13.45±0.50(Predicted) |
| form | Powder |
| Colour Index | 26100 |
| color | Red-brown |
| λmax | 507 nm, 354 nm |
| Merck | 14,8884 |
| BRN | 2016384 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| Biological Applications | Antiseptic; preventing prostate cancer; medical devices; dental impression materials |
| Cosmetics Ingredients Functions | COLORANT HAIR DYEING |
| InChIKey | FHNINJWBTRXEBC-HXEHWPEMSA-N |
| LogP | 5.740 (est) |
| CAS DataBase Reference | 85-86-9(CAS DataBase Reference) |
| IARC | 3 (Vol. 8, Sup 7) 1987 |
| EPA Substance Registry System | C.I. Solvent Red 23 (85-86-9) |
| Hazard Codes | Xi |
| Risk Statements | 10-20-36/38-36/37/38 |
| Safety Statements | 22-24/25-36-26 |
| WGK Germany | 3 |
| RTECS | QK4250000 |
| TSCA | Yes |
| HS Code | 32129000 |
| Toxicity | cyt-ham:ovr 20 mmol/L/5H-C ENMUDM 1,27,79 |
| Provider | Language |
|---|---|
| Sudan Red | English |
| SigmaAldrich | English |
| ALFA | English |
| Description | Solvent Red 23 is an oil-soluble red azo dye used incosmetic products in Japan. Cases were reported inhairdressers, who also reacted to PPD and to paminoazobenzene.One case of contact dermatitis wasreported in the metal industry. | ||||||||||||||||
| reddish brown powder | |||||||||||||||||
| Uses | Weakly acidic azo dye. Biological stain. Dyes and metabolites, Environmental Testing. | ||||||||||||||||
| 4-(Phenyldiazenyl)benzenamine diazotization, and Naphthalen-2-ol coupling. Note: some goods by 4-(Phenyldiazenyl)benzenamine and 2-Methyl-4-(o-tolyldiazenyl)benzenamine mixture as diazo components and have to. | |||||||||||||||||
| Definition | ChEBI: A bis(azo) compound that is 2-naphthol substituted at position 1 by a 4-{[(2-methylphenyl)diazenyl]phenyl}diazenyl group. A fat-soluble dye predominantly used for demonstrating triglycerides in frozen sections, but which may also stain some protein bound lpids in paraffin sections. | ||||||||||||||||
| Solvent Red 23 is an oil-soluble red azo-dye used in cosmetic products in Japan. Cases were reported in hairdressers, who also reacted to PPD (the molecule is likely to be hydrolyzed into PPD) and to p-aminoazobenzene. One case of contact dermatitis was reported in the metal industry. | |||||||||||||||||
| Safety Profile | Poison byintraperitoneal route. Moderately toxic bysubcutaneous and intrapleural routes.Questionable carcinogen. Mutation datareported. When heated to decomposition itemits toxic fumes of NOx. | ||||||||||||||||
| Crystallise the dye from EtOH, EtOH/water or *benzene/absolute EtOH (1:1). [Beilstein 16 II 75, 16 III 148, 16 IV 248.] | |||||||||||||||||
| Properties and Applications | yellow red to red. Soluble in ethanol and acetone, soluble in benzene. In concentrated sulfuric acid to blue light green, dilution for blue solution, and a red precipitation.
| ||||||||||||||||
| Raw materials | 4-AMINOAZOBENZENE-->O-AMINOAZOTOLUENE-->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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