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Name	Disperse Orange 25	EINECS	250-654-8
CAS No.	31482-56-1	Density	1.19 g/cm³
PSA	97.57000	LogP	5.27338
Solubility	N/A	Melting Point	170 °C (dec.)(lit.)
Formula	C₁₇H₁₇N₅O₂	Boiling Point	555 °C at 760 mmHg
Molecular Weight	323.354	Flash Point	289.5 °C
Transport Information	N/A	Appearance	solid
Safety	26-37/39	Risk Codes	20/21/22-36/37/38
Molecular Structure		Hazard Symbols	Xn
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;	Article Data	6

Disperse Orange 25 Chemical Properties

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

Disperse Orange 25 Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	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.

Disperse Orange 25 Safety Profile

Hazard Codes: Harmful 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

Disperse Orange 25 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.

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