CAS No: 3118-97-6, Chemical Name: Sudan II
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3118-97-6 Sudan II

product Name Sudan II
Synonyms C.I. 12140; C.I. Solvent Orange 7; C.I. Solvent Orange 7 (8CI); 1-(2,4-Dimethylphenylazo)-2-naphthol; Solvent Orange 7; sudan ii (C.I. 12140); 1-(2,4-XYLIDYLAZO)-2-NAPHTHOL; 1-[2,4-XYLYLAZO]-2-NAPHTHOL; FAT PONCEAU; CI 12140; CI NO 12140; CALCO OIL SCARLET BL; CALCO OIL SCARLET ZBL; 1-[(2,4-dimethylphenyl)hydrazono]naphthalen-2(1H)-one; (1E)-1-[(2,4-dimethylphenyl)hydrazono]naphthalen-2(1H)-one; Solvent Orange 7
Molecular Formula C18H16N2O
Molecular Weight 276.3324
InChI InChI=1/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,19H,1-2H3/b20-18+
CAS Registry Number 3118-97-6
EINECS 221-490-4
Molecular Structure 3118-97-6 Sudan II
Density 1.14g/cm3
Melting point 156-158℃
Boiling point 429.6°C at 760 mmHg
Refractive index 1.615
Flash point 213.6°C
Vapour Pressur 1.38E-07mmHg at 25°C
Hazard Symbols  Xn:Harmful;
Risk Codes R40:Possible risks of irreversible effects.;
Safety Description S36/37:Wear suitable protective clothing and gloves.;
S45:In case of accident of if you feel unwell, seek medical advice immediately (show the label where possible).;
MSDS Sudan II Material Safety Data Sheet