31482-56-1

Basic information

• Product Name: Disperse Orange 25
• Synonyms: 4-Nitro-4’-[N-ethyl-N-(2-cyanoethyl)-amino]azobenzene;abcolorange2rl;LATYL ORANGE NST;FORON BRILLIANT ORANGE E-RL;DISPERSE ORANGE 25;ARTISIL BRILLIANT ORANGE RL;4-[n-(2-cyanoethyl)-n-ethylamino]-4'-nitroazobenzene;3-[N-ETHYL-4-(4-NITROPHENYLAZO)PHENYLAMINO]PROPIONITRILE
• CAS NO: 31482-56-1
• Molecular Formula: C₁₇H₁₇N₅O₂
• Molecular Weight: 323.35
• EINECS: 250-654-8
• Product Categories: Organics;Solvent Dyestuff
• Mol File: 31482-56-1.mol
• Article Data: 3

Chemical Properties

• Melting Point: 170 °C (dec.)(lit.)
• Boiling Point: 555 °C at 760 mmHg
• Flash Point: 289.5 °C
• Appearance: solid
• Density: 1.19
• Vapor Pressure: 2.34E-12mmHg at 25°C
• Refractive Index: 1.605
• PKA: 2.14±0.50(Predicted)
• CAS DataBase Reference: Disperse Orange 25(CAS DataBase Reference)
• NIST Chemistry Reference: Disperse Orange 25(31482-56-1)
• EPA Substance Registry System: Disperse Orange 25(31482-56-1)

Safety Data

• Hazard Codes: Xn
• Statements: 20/21/22-36/37/38
• Safety Statements: 26-37/39
• WGK Germany: 3
• RTECS: TZ4700000
• Hazardous Substances Data: 31482-56-1(Hazardous Substances Data)

Usage

Chemical Properties

solid

Uses

Disperse orange 25 is an industrially utilized dye which can be used in a variety of photonic applications which include optical switches and modulators.

Preparation

4-Nitrobenzenamine diazo, and N-ethyl-N-cyanoethylaniline?coupling.

General Description

Disperse orange 25 is an azo dye that is a non-ionic, aromatic compound which can be used in p-type semiconductors. It can improve the photo-thermal properties of electrochemical devices. Its stable chemical structure and large dipole moment make it useful as a non-linear optical (NLO) material.

Flammability and Explosibility

Notclassified

Properties and Applications

Red light orange. Orange uniform powder. Mainly used for polyester and their blended fabric dyeing. Standard Ironing Fastness Light Fastness Persperation Fastness Washing Fastness Fading Stain Fading Stain Fading Stain AATCC 4-5 4 6 5 5 4-5 5 ISO 5 4-5 5-6 5 4-5 5 4-5

Standard

Ironing Fastness

Fading

Stain

AATCC

4-5

ISO

5

InChI:InChI=1/C17H17N5O2/c1-2-21(13-3-12-18)16-8-4-14(5-9-16)19-20-15-6-10-17(11-7-15)22(23)24/h4-11H,2-3,13H2,1H3

Upstream product

• 12223-19-7 4,4'-nitro-(ethyl-2-cyanoethyl)aminoazobenzene 
• 100-01-6 4-nitro-aniline 
• 148-87-8 N-ethyl-N-(2-cyanoethyl)aniline 

Downstream Products

• 81338-13-8 3-(N-ethyl-N-{4'-[(4''-nitrophenyl)azo]phenyl}amino)propanoic acid 

Relevant articles and documents

Disperse dye composition, and preparation method and application thereof

Disclosed are a disperse dye composition, and a preparation method and application thereof. The disperse dye composition comprises a component A composed of one or more of compounds shown as a formula (1) (please see the specifications for the formula), a component B composed of one or more of compounds shown as a formula (2) (please see the specifications for the formula), forbidden aromatic amine compounds, chlorinated phenols, chlorobenzene and chlorotoluene, optional auxiliaries, and other unavoidable impurities. The total content of the forbidden aromatic amine compounds is 10 ppm or below, the respective content of the various chlorinated phenols is 0.5 ppm or below, and the total content of the chlorobenzene and chlorotoluene is 1 ppm or below. The various environment protection indexes of the disperse dye composition meet the requirements of Oeko-Tex Standard 100(2016). In addition, after fabric is dyed through the disperse dye composition, the dyed fabric meets the baby level requirements of Oeko-Tex Standard 100(2016).

Synthesis of some New Disperse Dyes

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