Cobaltate(2-), [6-amino-5-[(2-hydroxy-4- nitrophenyl)azo]-N-methyl-2-naphthalenesulfonam - Names and Identifiers
Cobaltate(2-), [6-amino-5-[(2-hydroxy-4- nitrophenyl)azo]-N-methyl-2-naphthalenesulfonam - Physico-chemical Properties
Cobaltate(2-), [6-amino-5-[(2-hydroxy-4- nitrophenyl)azo]-N-methyl-2-naphthalenesulfonam - Introduction
disodium [6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]-N-methylnaphthalene-2-sulphonamidato(2-)][6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]naphthalene-2-sulphonato(3-)]cobaltate(2-), also known as acid blinking Malan, is a synthetic dye. The following is about disodium [6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]-N-methylnaphthalene-2-sulphonamidato(2-)][6-amino-5-[(2-hydroxy-4-nitrophenyl) description of the nature, use, formulation and safety information of azo]naphthalene-2-sulphonato(3-)]cobaltate(2-):
Nature:
- disodium [6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]-N-methylnaphthalene-2-sulphonamidato(2-)][6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]naphthalene-2-sulphonato(3-)]cobaltate(2-) is a bright blue powdery substance.
-It is soluble in water and produces a blue solution.
-Acid environment, it appears red.
-It is unstable to light and heat and easy to fade.
Use:
- disodium [6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]-N-methylnaphthalene-2-sulphonamidato(2-)][6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]naphthalene-2-sulphonato(3-)]cobaltate(2-) is mainly used as a dye for textiles, leather and paper.
-It can also be used as a colorant for water-based inks, coatings and plastics.
-Because of its bright blue color, it is also commonly used as a colorant for food and beverages.
Preparation Method:
- disodium [6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]-N-methylnaphthalene-2-sulphonamidato(2-)][6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]naphthalene-2-sulphonato(3-)]cobaltate(2-) is usually prepared by synthetic chemical methods.
-The specific synthesis process involves several chemical reactions, including oxidation, coupling, and substitution.
Safety Information:
- disodium [6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]-N-methylnaphthalene-2-sulphonamidato(2-)][6-amino-5-[(2-hydroxy-4-nitrophenyl)azo]naphthalene-2-sulphonato(3-)]cobaltate(2-) may be irritating to the skin, eyes and respiratory tract at certain concentrations.
-Wear appropriate protective equipment to avoid contact with skin and eyes.
-During operation, avoid inhaling its dust or solution.
-In case of accidental contact, rinse with water and seek medical assistance.
-Be careful to avoid ignition sources and strong oxidants during storage and handling.
Last Update:2024-04-09 01:59:57