1533-74-0

Basic information

• Product Name: 2,2'-[[3-acetamido-4-[(4-nitrophenyl)azo]phenyl]imino]diethyl diacetate
• Synonyms: 2,2'-[[3-acetamido-4-[(4-nitrophenyl)azo]phenyl]imino]diethyl diacetate;C.I. Disperse Red 74 press cake;Acetamide, N-5-bis2-(acetyloxy)ethylamino-2-(4-nitrophenyl)azophenyl-;N-[5-[bis[2-(acetyloxy) ethyl]amino]-2-[(4-nitrophenyl) azo]phenyl]-Acetamide;Disperse Red 74;2-[[3-acetamido-4-(4-nitrophenyl)diazenyl-phenyl]-(2-acetyloxyethyl)amino]ethyl ethanoate;2-[3-acetamido-N-(2-acetyloxyethyl)-4-(4-nitrophenyl)diazenylanilino]ethyl acetate;acetic acid 2-[3-acetamido-N-(2-acetoxyethyl)-4-(4-nitrophenyl)azo-anilino]ethyl ester
• CAS NO: 1533-74-0
• Molecular Formula: C₂₂H₂₅N₅O₇
• Molecular Weight: 471.4632
• EINECS: 216-247-4
• Mol File: 1533-74-0.mol
• Article Data: 3

Chemical Properties

• Melting Point: 120 °C
• Boiling Point: 686.4 °C at 760 mmHg
• Flash Point: 368.9°C
• Appearance: /
• Density: 1.3 g/cm³
• PKA: 14.23±0.70(Predicted)
• CAS DataBase Reference: 2,2'-[[3-acetamido-4-[(4-nitrophenyl)azo]phenyl]imino]diethyl diacetate(CAS DataBase Reference)
• NIST Chemistry Reference: 2,2'-[[3-acetamido-4-[(4-nitrophenyl)azo]phenyl]imino]diethyl diacetate(1533-74-0)
• EPA Substance Registry System: 2,2'-[[3-acetamido-4-[(4-nitrophenyl)azo]phenyl]imino]diethyl diacetate(1533-74-0)

Safety Data

• Hazardous Substances Data: 1533-74-0(Hazardous Substances Data)

Usage

General Description

2,2'-[[3-acetamido-4-[(4-nitrophenyl)azo]phenyl]imino]diethyl diacetate, also known as the chemical compound C26H27N5O8, is a yellow to red powder commonly used as a dye in various industries, as well as in biochemical and pharmaceutical research. It is a complex organic compound with two azo groups and two acetate groups, giving it a distinctive structure and reactivity. This chemical is known for its ability to form strong coordination complexes with metal ions, and its azo groups allow it to undergo color changes when exposed to certain chemical or environmental conditions. Its versatility and reactivity make it a valuable tool for researchers and industries looking to create vibrant colored products or study complex biochemical interactions. Its use is closely regulated due to its potential environmental and health impacts.

Upstream product

• 100-01-6 4-nitro-aniline 
• 27059-08-1 3-(N,N-di(acetyloxyethyl)amino)-N-phenylacetamide 

Relevant articles and documents

Continuous coupling process for ester-based azo disperse dye

The invention belongs to the technical field of fine chemical preparation, and particularly relates to a continuous coupling process for an ester-based azo disperse dye. The process includes the stepsthat 1, a coupling component compound containing an ester group or a coupling component mixture containing a compound and an aqueous solution A are simultaneously and continuously added into a mixerfor mixing; 2, a diazonium salt solution and an aqueous solution B are simultaneously and continuously added into another mixer for mixing adjustment; 3, the two raw materials obtained above are mixedand subjected to a reaction at equal moles to obtain a coupling reaction product; 4, the coupling reaction product continuously enters another reactor, and continuous material discharging, suction filtration, washing to neutrality and drying are performed to obtain a disperse dye compound. Through continuous improvement of conventional intermittent coupling reaction processes in a step-by-step mode, the coupling temperature of an easily hydrolyzable coupling component compound under acidic conditions is increased, the dependency on a refrigerant is reduced, the coupling reaction time is greatly shortened at the same time, the hydrolysis of coupling components is reduced, the product yield is increased, the production efficiency is improved, and the COD of mother liquor wastewater is reduced.

Preparation method of ester group-containing azo disperse dye

The invention discloses a preparation method of an ester group-containing azo disperse dye. The method comprises the following steps: carrying out a coupling reaction on a diazo salt and a coupling component, adding an alkali to the above obtained azo compound material system after the coupling reaction is completed in order to adjust the pH value of the system to 5-7, carrying out heating crystal transformation, and post-processing to obtain a dye filter cake. The pH value of the system is adjusted to 5-7 after the coupling reaction and before the crystal transformation, so hydrolysis of ester groups in the dye product is avoided, the yield of the dye product is improved, and the content of organic matters in wastewater is reduced, thereby the wastewater post-treatment difficulty is reduced.