31482-56-1

Name Disperse Orange 25
CAS 31482-56-1
EINECS(EC#) 250-654-8
Molecular Formula C17H17N5O2
MDL Number MFCD00011736
Molecular Weight 323.35
MOL File 31482-56-1.mol
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Chemical Properties

Appearance solid
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 31482-56-1(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
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 
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  TZ4700000
TSCA  TSCA listed
REACH Registrations Active
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.

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