3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile
- Product Name
- 3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile
- CAS No.
- 68391-42-4
- Chemical Name
- 3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile
- Synonyms
- Disperse Orange 31;Foron Orange SE-2FLS;Ambicron Orange SE2FL;Disperse Orange SE-2FL;C.I. Disperse Orange 31;Triasperse Orange 2G-SE.;Miketon Polyester Orange SC;Serisol Brilliant Orange RGL;C.I.Disperse Orange 31:C.I.111135;C.I. Disperse Orange 31 press cake
- CBNumber
- CB7912254
- Molecular Formula
- C19H19N5O4
- Formula Weight
- 381.39
- MOL File
- 68391-42-4.mol
3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile Property
- Density
- 1.372[at 20℃]
- vapor pressure
- 0Pa at 25℃
- LogP
- 1.205 at 20℃
- EPA Substance Registry System
- Propanenitrile, 3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]- (68391-42-4)
Safety
- TSCA
- TSCA listed
3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile Chemical Properties,Usage,Production
Chemical Properties
Orange powder. Insoluble in water.
Uses
Disperse orange 31 is an orange-orange dye commonly used for fiber dyeing.
Flammability and Explosibility
Non flammable
Contact allergens
The synthetic azo dye Disperse Orange 31 was wrongly substituted by Disperse Orange 3 in patch test materials from Chemotechnique. This situation explains why a relatively low percentage of patients positive to PPD were positive to Disperse Orange 3, although a coreaction is explained to be very frequent because of skin transformation of Disperse Orange 3 into PPD.
Synthesis
250ml flask into 50g of water, turn on the stirring, into the p-nitroaniline 10g, into the 30% industrial hydrochloric acid 25kg, pulping for 2 hours, add ice cooling to 0 , directly 5g of sodium formulated into 30% sodium solution into the flask, the temperature does not exceed 5 , and then at 0-5 heat preservation and stirring for 1 hour filtration to be used. In 1000ml beaker add 50g of water, sulfuric acid 5g, and N-cyanoethyl-N-acetoxyhydroxyethyl aniline 13g, urea 0.3g, ping ping 0.1g, add ice cold to about 2 , and the above diazoxide solution coupled with the coupling temperature control at 0-5 , 3 hours, at about 5 dropwise addition of 11g of liquid alkali, add the end of the mixing for 1 hour after filtration, washing to neutral, that is, the structure product of dispersion orange 31. The structure product dispersed orange 31.
References
[1] Koh J. Dyeing with disperse dyes[J]. Textile dyeing, 2011, 10: 195-220.
3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile Preparation Products And Raw materials
Raw materials
Preparation Products
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