Dyalan Brown S-R - Names and Identifiers
Dyalan Brown S-R - Introduction
Acid brown 283 is an organic dye, chemical name is benzyl carbamate, commonly referred to as acid brown. The following is an introduction to the nature, use, preparation and safety information of acid brown 283:
1. nature:
-Appearance: Acid Brown 283 is a brown crystalline powder.
-Solubility: Soluble in water, alcohol and ketone, slightly soluble in acid and ether.
-stability: acid brown 283 in the light can gradually fade, strong alkali resistance.
-Infrared absorption spectrum: The infrared absorption spectrum of acid brown 283 has obvious N-H stretching vibration and C = O stretching vibration.
2. use:
-Acid brown 283 is mainly used as a textile dye, and has good brightness and light resistance on cotton textiles.
-can also be used for dyeing paper, leather, silk and other materials, can be used for chromatographic analysis.
3. Preparation method:
The preparation method of acid brown 283 involves multiple steps, including reaction steps such as aminolysis of benzanilide, acetic anhydride of formic acid, esterification of phenol, etc.
4. Safety Information:
-Acid Brown 283 is irritating to the skin and eyes and may cause allergic reactions.
-Wear protective gloves, goggles and other personal protective equipment when using, and ensure good ventilation.
-Acid brown 283 should be stored in a dry, cool, ventilated place, away from fire and oxidizing agents.
-For accidental contact, immediately flush the affected area with plenty of water and seek medical assistance.
Last Update：2024-04-09 02:00:41