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Disperse Orange 76

Disperse Orange 76 structure

CAS No:
13301-61-6
Formula:
C17H15Cl2N5O2
Chemical Name:
Disperse Orange 76
Synonyms:
3-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]ethylamino]-propanenitril;3-[ethyl[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]amino]-Propanonitrile;3-[p-[(2,6-Dichloro-4-nitrophenyl)azo]-N-ethylanilino]propionitrile;Propanenitrile,3-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]ethylamino]-;3-[[4-[(2,6-dichloro-4-nitrophenyl)azo]phenyl]ethylamino]propiononitrile;C.I. Disperse Orange 76 press cake;3-[4-(2,6-Dichloro-4-nitrophenylazo)-N-ethylanilino]propionitrile;disperse orange 37/76
Categories:
Dyes and Pigments > Dye

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Description

Purple-red powder. Soluble in water and ethanol.

Disperse Orange 76 Basic Attributes

Molecular Weight：

392.24

Exact Mass：

392.24

BRN：

6348868

EC Number：

236-325-1

UNII：

F0AEY2096I

TSCA：

TSCA listed

DSSTox ID：

DTXSID9044538

Characteristics

PSA：

97.6

XLogP3：

6.58018

Density：

1.35

Melting Point：

144-146 °C

Boiling Point：

603.1±55.0 °C(Predicted)

Flash Point：

318.6ºC

PKA：

2.12±0.50(Predicted)

Henrys Law Constant：

2.7×107mol/(m3Pa) at 25℃, Zhang et al. (2010)

Critical Temperature & Pressure：

room temp

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

safety instructions：

36/37

Marks：

Precautionary statement(s)：

P280

Hazard Statements：

GHS Classification：

|Warning|H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]|P261, P272, P280, P302+P352, P321, P333+P313, P363, and P501|Aggregated GHS information provided by 46 companies from 2 notifications to the ECHA C&L Inventory.

Disperse Orange 76 Use and Manufacturing

Methods of Manufacturing

Using 4-nitro-2, 6-dichloroaniline and N-ethyl-N-cyanoethylaniline as raw materials, first 4-nitro-2, 6-dichloroaniline is diazotized, and then with N- Ethyl-N-cyanoethylaniline coupling product. . Add 98% sulfuric acid to the diazotization pot, lower the temperature to below 10℃, slowly add the dried and crushed sodium nitrite, and then increase the temperature to 70℃ for 30min, then reduce the temperature to 0-10℃, slowly add 2, 6 -Dichloro-4-nitroaniline is added, and the reaction is continued to stir for 4h to obtain diazo liquid. The feeding ratio of each reactant: 2, 6-dichloro-4-nitroaniline: sulfuric acid: sodium nitrite=1:1.5:1.03 (amount of substance). Add 3-4 times the weight of diazo liquid ice water to the coupling pot, then slowly add the above diazo liquid in a thin stream, maintain (0±2) ℃, add N-ethyl-N- in a thin stream Add cyanoethylaniline and continue to stir for more than 5h after the addition, until the diazo compound disappears.

Uses

Disperse Orange 37 is an orange azo dye used in plastics.

Manufacturing Info：

Propanenitrile, 3-[[4-[2-(2,6-dichloro-4-nitrophenyl)diazenyl]phenyl]ethylamino]-: ACTIVE

Computed Properties

Molecular Weight:392.2
XLogP3:5
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:6
Exact Mass:391.0602801
Monoisotopic Mass:391.0602801
Topological Polar Surface Area:97.6
Heavy Atom Count:26
Complexity:527
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Sodium nitrite