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Sudan IV
| Product name | Sudan IV |
| Alias | C.I. 26105; C.I. 258; C.I. Solvent Red 24; C.I. Solvent Red 24 (8CI); Scarlet red [NF X]; 1-[2-Methyl-4-(2-methylphenylazo)phenylazo]-2-naphthol; Lipid crimson; Scarlet Red; Solvent Red 24; scarlet R; 1-(2-methyl-4-(2-methylphenylazo)phenylazo)-2-naphthol; 1-((2-Methyl-4-((2-methylphenyl)azo)phenyl)azo)-2-naphthalenol; 1-((4-(o-tolylazo)-o-tolyl)azo)-2-naphtho; 1-((E)-(2-Methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl)diazenyl)-2-naphth; 1-(4-(o-Tolylazo)-o-tolylazo)-2-naphthol; 1-(4-o-tolylazo-o-tolylazo)-2-naphthol; 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-2-naphthaleno; 2',3-Dimethyl-4-(2-hydroxynaphthylazo)azobenzene; (1Z)-1-({2-methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl}hydrazono)naphthalen-2(1H)-one; 1-({2-methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl}hydrazono)naphthalen-2(1H)-one; 1-[(E)-{2-methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl}diazenyl]naphthalen-2-ol; Solvent Red 24 |
| English name | Sudan IV |
| Alias | C.I. 26105; C.I. 258; C.I. Solvent Red 24; C.I. Solvent Red 24 (8CI); Scarlet red [NF X]; 1-[2-Methyl-4-(2-methylphenylazo)phenylazo]-2-naphthol; Lipid crimson; Scarlet Red; Solvent Red 24; scarlet R; 1-(2-methyl-4-(2-methylphenylazo)phenylazo)-2-naphthol; 1-((2-Methyl-4-((2-methylphenyl)azo)phenyl)azo)-2-naphthalenol; 1-((4-(o-tolylazo)-o-tolyl)azo)-2-naphtho; 1-((E)-(2-Methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl)diazenyl)-2-naphth; 1-(4-(o-Tolylazo)-o-tolylazo)-2-naphthol; 1-(4-o-tolylazo-o-tolylazo)-2-naphthol; 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-2-naphthaleno; 2',3-Dimethyl-4-(2-hydroxynaphthylazo)azobenzene; (1Z)-1-({2-methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl}hydrazono)naphthalen-2(1H)-one; 1-({2-methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl}hydrazono)naphthalen-2(1H)-one; 1-[(E)-{2-methyl-4-[(E)-(2-methylphenyl)diazenyl]phenyl}diazenyl]naphthalen-2-ol; Solvent Red 24 |
| CAS RN | 85-83-6 |
| EINECS No. | 201-635-8 |
| Molecular formula | C24H20N4O |
| Molecular weight | 380.4418 |
| Molecular structure |  |
| Density | 1.192g/cm3 |
| Melting point | 199℃ |
| Boiling point | 618.845°C at 760 mmHg |
| Flash point | 424.365°C |
| Vapor pressure | 0mmHg at 25°C |
| Properties | Dark red powder. Melting point184～185℃. Insoluble in water, soluble in ethyl alcohol and acetone, easily soluble in benzene. |
| Uses | In grease, water, soap, wax, rubber toys, and plastic products. |
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