4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonic acid
4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonic acid
CAS: 37405-95-1
Molecular Formula: C35H28N10O8S2
4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonic acid - Names and Identifiers
4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonic acid - Physico-chemical Properties
| Molecular Formula | C35H28N10O8S2 |
| Molar Mass | 780.8 |
4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonic acid - Introduction
4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2, 7-diulphonic acid, also known as Direct Red 81, is a chemical dye. The following is a description of its nature, use, formulation and safety information:
Nature:
-Appearance: Red crystalline powder
-Molecular formula: C34H24N8O9S2
-Molecular weight: 760.73g/mol
-Solubility: soluble in water, slightly soluble in alcohol, insoluble in organic solvents
Use:
- Direct Red 81 is an important Red dye, commonly used in the dye industry, textile dyeing and printing fields. It can react with hydroxyl groups in fiber materials such as cellulose to obtain a bright red dyeing effect.
-In addition, Direct Red 81 can also be used as an indicator for chemical analysis, fluorescent probes and staining reagents in biochemical experiments.
Preparation Method:
- Direct Red 81 is through 4-Amino-2, 7-dinitronaphthalenesulfonic acid (4-Amino-2, acid) and 2, 4-diaminoaniline was synthesized by coupling reaction under alkaline conditions.
Safety Information:
- Direct Red 81 is generally considered safe under proper conditions of use and storage.
-Since it is a dye, care should be taken to avoid direct contact with the skin, eyes and respiratory tract, while maintaining adequate ventilation.
-Wear appropriate personal protective equipment such as gloves, goggles and masks when used.
-If skin contact or inhalation occurs, please wash or move to fresh air immediately, and seek medical help if necessary. If taken by mistake, seek medical attention immediately.
Nature:
-Appearance: Red crystalline powder
-Molecular formula: C34H24N8O9S2
-Molecular weight: 760.73g/mol
-Solubility: soluble in water, slightly soluble in alcohol, insoluble in organic solvents
Use:
- Direct Red 81 is an important Red dye, commonly used in the dye industry, textile dyeing and printing fields. It can react with hydroxyl groups in fiber materials such as cellulose to obtain a bright red dyeing effect.
-In addition, Direct Red 81 can also be used as an indicator for chemical analysis, fluorescent probes and staining reagents in biochemical experiments.
Preparation Method:
- Direct Red 81 is through 4-Amino-2, 7-dinitronaphthalenesulfonic acid (4-Amino-2, acid) and 2, 4-diaminoaniline was synthesized by coupling reaction under alkaline conditions.
Safety Information:
- Direct Red 81 is generally considered safe under proper conditions of use and storage.
-Since it is a dye, care should be taken to avoid direct contact with the skin, eyes and respiratory tract, while maintaining adequate ventilation.
-Wear appropriate personal protective equipment such as gloves, goggles and masks when used.
-If skin contact or inhalation occurs, please wash or move to fresh air immediately, and seek medical help if necessary. If taken by mistake, seek medical attention immediately.
Last Update：2024-04-10 22:29:15
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4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl]amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonic acid
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