Name | 1-hydroxy-4-(p-toluidino)anthraquinone |
Synonyms | Violet B C.I. 60725 Alizurol purple Quinizarin blue Plast violet 4001 Solvent Violet 13 C.I.Solvent Violet 13 C.I. Disperse Blue 72 C.I. Solvent Violet 13 1-hydroxy-4-(p-toluidino)anthraquinone |
CAS | 81-48-1 |
EINECS | 201-353-5 |
InChI | InChI=1/C21H15NO3/c1-12-6-8-13(9-7-12)22-16-10-11-17(23)19-18(16)20(24)14-4-2-3-5-15(14)21(19)25/h2-11,22-23H,1H3 |
Molecular Formula | C21H15NO3 |
Molar Mass | 329.35 |
Density | 1.2464 (rough estimate) |
Melting Point | 186.1 °C |
Boling Point | 466.95°C (rough estimate) |
Appearance | Crystalline powder |
pKa | 8.00±0.20(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
Sensitive | Easily absorbing moisture |
Refractive Index | 1.5614 (estimate) |
MDL | MFCD00019148 |
Physical and Chemical Properties | Chemical properties purple black powder. Insoluble in water, soluble in benzene, chlorobenzene, xylene, DMF and other organic solvents, dark green in concentrated sulfuric acid, diluted to produce olive to red blue precipitate. |
Use | It is used as a reagent for the determination of boron. It is mainly used for the coloration of the original pulp of polyester fiber, and can also be used for the preparation of the color masterbatch for polyester. |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S24/25 - Avoid contact with skin and eyes. |
RTECS | CB7700000 |
HS Code | 32041990 |