DISPERSEORANGE25 , BR , 31482-56-1

Synonym(s):
3-[N-Ethyl-4-(4-nitrophenylazo)phenylamino]propionitrile

CAS NO.：31482-56-1

Empirical Formula: C17H17N5O2

Molecular Weight: 323.35

MDL number: MFCD00011736

EINECS: 250-654-8

PRODUCT Properties

• Melting point: 170 °C (dec.) (lit.)
• Boiling point: 555.0±45.0 °C(Predicted)
• Density: 1.19
• vapor pressure: 0Pa at 20℃
• pka: 2.14±0.50(Predicted)
• λmax: 457 nm
• InChI: 1S/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+
• InChIKey: ZSPPPAFDNHYXNW-FMQUCBEESA-N
• SMILES: CCN(CCC#N)c1ccc(cc1)\N=N\c2ccc(cc2)[N+]([O-])=O
• LogP: 4.38 at 25℃
• CAS DataBase Reference: 31482-56-1(CAS DataBase Reference)
• EPA Substance Registry System: Propanenitrile, 3-[ethyl[4-[(4-nitrophenyl)azo]phenyl]amino]- (31482-56-1)

Description and Uses

Disperse orange 25 is an industrially utilized dye which can be used in a variety of photonic applications which include optical switches and modulators.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302+H312+H332-H315-H319-H335
• Precautionary statements: P261-P280-P301+P312-P302+P352+P312-P304+P340+P312-P305+P351+P338
• target organs: Respiratory system
• PPE: dust mask type N95 (US), Eyeshields, Gloves
• Hazard Codes: Xn
• Risk Statements: 20/21/22-36/37/38
• Safety Statements: 26-37/39
• WGK Germany: 3
• RTECS: TZ4700000
• TSCA: TSCA listed
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Acute Tox. 4 Dermal; Acute Tox. 4 Inhalation; Acute Tox. 4 Oral; Eye Irrit. 2; Skin Irrit. 2; STOT SE 3
• Toxicity: 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.
• REACH Registrations: Active