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| CAS No.: | 31482-56-1 |
|---|---|
| Name: | Disperse Orange 25 |
| Article Data: | 6 |
| Molecular Structure: | |
|
|
|
| Formula: | C17H17N5O2 |
| Molecular Weight: | 323.354 |
| Synonyms: | Propanenitrile,3-[ethyl[4-[(4-nitrophenyl)azo]phenyl]amino]- (9CI);4-[N-(2-Cyanoethyl)-N-ethylamino]-4'-nitroazobenzene;ArtisilBrilliant Orange RL;C.I. Disperse Orange 25;C.I. Solvent Orange 105;DisperseBrilliant Orange RL; |
| EINECS: | 250-654-8 |
| Density: | 1.19 g/cm3 |
| Melting Point: | 170 °C (dec.)(lit.) |
| Boiling Point: | 555 °C at 760 mmHg |
| Flash Point: | 289.5 °C |
| Appearance: | solid |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 97.57000 |
| LogP: | 5.27338 |
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Chemistry
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IUPAC Name: 3-[N-ethyl-4-(4-nitrophenyl)diazenylanilino]propanenitrile
Molecular Formula: C17H17N5O2
Molecular Weight: 323.35 g/mol
Canonical SMILES: [O-][N+](=O)c1ccc(\N=N\c2ccc(N(CCC#N)CC)cc2)cc1
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/b20-19+
EINECS: 250-654-8
Product Categories: Organics; Solvent Dyestuff
Density: 1.19 g/cm3
Flash Point: 289.5 °C
Enthalpy of Vaporization: 83.62 kJ/mol
Boiling Point: 555 °C at 760 mmHg
Melting Point: 170 °C (dec.)(lit.)
Vapour Pressure of Disperse Orange 25 (CAS NO.31482-56-1): 2.34E-12 mmHg at 25 °C
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mammal (species unspecified) | LD50 | oral | > 10gm/kg (10000mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 27(3), Pg. 52, 1983. | |
| mouse | LD50 | intraperitoneal | 780mg/kg (780mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 27(3), Pg. 52, 1983. | |
| rat | LD50 | intraperitoneal | 3060mg/kg (3060mg/kg) | Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 27(3), Pg. 52, 1983. |
Safety Profile
Hazard Codes: 
Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39: Wear suitable gloves and eye/face protection.
WGK Germany: 3
RTECS of Disperse Orange 25 (CAS NO.31482-56-1): TZ4700000
Specification
Disperse Orange 25 (CAS NO.31482-56-1), its Synonyms are 3-(Ethyl(4-((4-nitrophenyl)azo)phenyl)amino)propiononitrile ; Disperse Orange 2K ; Propanenitrile, 3-(ethyl(4-((4-nitrophenyl)azo)phenyl)amino)- ; Propanenitrile, 3-(ethyl(4-(2-(4-nitrophenyl)diazenyl)phenyl)amino)- ; Artisil Brilliant Orange RL ; Disperse Brilliant Orange RL ; Disperse Polyester Orange ; Orange 2K nitrodye . It is solid.