N-Methylphenyl-1-naphthylamine-8-sulfonic acid - Names and Identifiers
N-Methylphenyl-1-naphthylamine-8-sulfonic acid - Physico-chemical Properties
| Molecular Formula | C17H15NO3S
|
| Molar Mass | 313.3709 |
| Physical and Chemical Properties | Chemical properties gray-green needle-like crystals. Soluble in ammonia, soluble in ethanol, benzene, slightly soluble in water. |
| Use | Uses are mainly used for dye intermediates, such as the manufacture of weak acid deep blue GR and vulcanized bright green 5G dye. |
N-Methylphenyl-1-naphthylamine-8-sulfonic acid - Introduction
N-Methylphenyl-1-naphthylamine-8-sulfonic acid is an organic compound with the chemical formula C17H15NOS2. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: White crystalline powder or crystal.
-Solubility: Soluble in water and alcohol, slightly soluble in ether and petroleum ether.
-Melting point: About 250-255 degrees Celsius.
-specific gravity: about 1.35-1.40.
-storage conditions: should be stored in a cool, dry place, away from fire and oxidant.
Use:
- N-Methylphenyl-1-naphthylamine-8-sulfonic acid is an organic pigment intermediate commonly used in the synthesis of dyes and pigments.
-It can also be used as a light stabilizer, pharmaceutical intermediate and glass colorant.
Method:
The preparation of N-Methylphenyl-1-naphthylamine-8-sulfonic acid is usually divided into two steps:
-In the first step, 1-Naphthylamine and toluene are reacted by N-methylation to obtain n-methyl-1-naphthylamine.
-In the second step, n-methyl-1-naphthylamine is reacted with sulfurous acid to obtain N-Methylphenyl-1-naphthylamine-8-sulfonic acid.
Safety Information:
- N-Methylphenyl-1-naphthylamine-8-sulfonic acid is an organic compound that is irritating to the skin, eyes and respiratory tract.
-Wear appropriate personal protective equipment such as gloves, masks and goggles when using or handling the compound.
-Avoid direct contact with skin and eyes, and avoid inhaling its dust or vapor.
-If exposed, flush the affected area with plenty of water and seek medical help.
-In the process of storage and use, pay attention to fire and explosion prevention measures.
-The use, storage and handling of this compound should follow relevant safe operating procedures and regulations.
Last Update：2024-04-09 15:18:02