6410-32-8
Pigment Red 12
CAS: 6410-32-8
Molecular Formula: C25H20N4O4
6410-32-8 - Names and Identifiers
| Name | Pigment Red 12 |
| Synonyms | 12385 C.I. 12385 pigment red 12 Pigment Red 12 C.I.PigmentRed12 Pigment -- Pigment Red 12 Pigment Permanent Bordeaux F2R 3-hydroxy-4-(2-methyl-4-nitro-phenyl)azo-N-(o-tolyl)naphthalene-2-carboxamide 3-Hydroxy-4-[(2-methyl-4-nitrophenyl)azo]-N-(o-tolyl)naphthalene-2-carboxamide 3-hydroxy-4-[(2-methyl-4-nitrophenyl)azo]-n-(2-methylphenyl)-2-naphthalenecarboxamide 3-dydroxy-4-[(2-methyl-4-nitrophenyl)azo]-N-(2-methylphenyl)-2-Naphthalenecarboxamide 2-Naphthalenecarboxamide, 3-hydroxy-4-(2-methyl-4-nitrophenyl)azo-N-(2-methylphenyl)- (4Z)-4-[2-(2-methyl-4-nitrophenyl)hydrazinylidene]-N-(2-methylphenyl)-3-oxo-3,4-dihydronaphthalene-2-carboxamide |
| CAS | 6410-32-8 |
| EINECS | 229-102-5 |
| InChI | InChI=1/C25H20N4O4/c1-15-7-3-6-10-21(15)26-25(31)20-14-17-8-4-5-9-19(17)23(24(20)30)28-27-22-12-11-18(29(32)33)13-16(22)2/h3-14,30H,1-2H3,(H,26,31) |
6410-32-8 - Physico-chemical Properties
| Molecular Formula | C25H20N4O4 |
| Molar Mass | 440.45 |
| Density | 1.32 |
| Boling Point | 632.7±55.0 °C(Predicted) |
| Flash Point | 336.5°C |
| Water Solubility | 4.6μg/L at 23℃ |
| Vapor Presure | 0Pa at 25℃ |
| pKa | 12.02±0.70(Predicted) |
| Refractive Index | 1.665 |
| Physical and Chemical Properties | solubility: Red Violet in concentrated sulfuric acid, red precipitate after dilution; Large red solution in concentrated nitric acid; No change in aqueous sodium hydroxide solution. hue or color light: Red blue-red powder. Melting point 292 °c. It is purple in concentrated sulfuric acid, Red solution after dilution, and red solution in concentrated nitric acid. No discoloration in sodium hydroxide. |
| Use | The pigment is red, there are two crystal forms, in the dry powder grinding or in the presence of halogenated hydrocarbons, ketones, can lead to unstable red jujube into Red stable, with a high intensity of coloring. Mainly used in offset printing ink and packaging printing ink, light resistance 5-6 (SD), 4 (1/25SD); Can also be used for air self-drying paint coloring; Fabric printing light fastness 6-7. There are 18 types of commercial dosage forms on the market. It is mainly used for coloring of coatings and inks. |
6410-32-8 - Reference Information
| LogP | 2.44 at 23℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Application | is mainly used for coloring coatings and inks. for printing ink, paint printing paste, painting pigments, cultural and educational supplies |
Last Update：2024-04-09 15:16:52
