78431-21-7, CAS No 78431-21-7

78431-21-7 5-chloro-1,3-dimethyl-4-(2-phenyldiaz-1-enyl)-1H-pyrazole
Product Name	5-chloro-1,3-dimethyl-4-(2-phenyldiaz-1-enyl)-1H-pyrazole
Synonyms	5-chloro-1,3-dimethyl-4-[(E)-phenyldiazenyl]-1H-pyrazole
Molecular Formula	C₁₁H₁₁ClN₄
Molecular Weight	234.6848
InChl	InChI=1/C11H11ClN4/c1-8-10(11(12)16(2)15-8)14-13-9-6-4-3-5-7-9/h3-7H,1-2H3/b14-13+
CAS Registry Number	78431-21-7
Molecular Structure
Density	1.26g/cm³
Melting Point	44℃
Boiling Point	382.9°C at 760 mmHg
Refractive Index	1.625
Flash Point	185.3°C
Vapour Pressur	1.01E-05mmHg at 25°C
Hazard Symbols	Xn##Harmful:;
Risk Codes	R20/21/22##Harmful by inhalation, in contact with skin and if swallowed.\|\|R36/37/38##Irritating to eyes, respiratory system and skin.:;
Safety Description	S26##In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.\|\|S36/37/39##Wear suitable protective clothing, gloves and eye/face protection.:;

78431-21-7 5-chloro-1,3-dimethyl-4-(2-phenyldiaz-1-enyl)-1H-pyrazole