| Identification | Back Directory | [Name]
3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile | [CAS]
68391-42-4 | [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 press cake
N-(2-Cyanoethyl)-N-(2-acetoxyethyl)-4'-nitroazobenzene-4-amine
4-Nitro-4'-[N-(2-cyanoethyl)-N-(2-acetyloxyethyl)amino]azobenzene
Propanenitrile, 3-2-(acetyloxy)ethyl4-(4-nitrophenyl)azophenylamino-
4-[4-nitrophenylazo]-N-.beta.-cyanoethyl-N-.beta.-acetoxyethyl-Aniline
Acetic acid 2-[(4'-nitroazobenzene-4-yl)(2-cyanoethyl)amino]ethyl ester
3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]-propanenitril
3-[[2-(Acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]propiononitrile
3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl) azo] phenyl] amino]-Propanenitrile | [EINECS(EC#)]
269-950-3 | [Molecular Formula]
C19H19N5O4 | [MDL Number]
MFCD08272346 | [MOL File]
68391-42-4.mol | [Molecular Weight]
381.385 |
| Chemical Properties | Back Directory | [Boiling point ]
599.626±50.00 °C(Press: 760.00 Torr)(predicted) | [density ]
1.372[at 20℃] | [vapor pressure ]
0Pa at 25℃ | [pka]
1.177±0.50(predicted) | [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. | [LogP]
1.205 at 20℃ | [EPA Substance Registry System]
Propanenitrile, 3-[[2-(acetyloxy)ethyl][4-[(4-nitrophenyl)azo]phenyl]amino]- (68391-42-4) |
| Hazard Information | Back Directory | [Chemical Properties]
Orange powder. Insoluble in water. | [Uses]
Disperse orange 31 is an orange-orange dye commonly used for fiber dyeing. | [Flammability and Explosibility]
Nonflammable | [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 te | [References]
[1] Koh J. Dyeing with disperse dyes[J]. Textile dyeing, 2011, 10: 195-220. |
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