Basic

CAS No.	33098-21-4
Product Name	4,5-dichloro-2-(4-methylphenyl)-2,3-dihydropyridazin-3-one
Synonyms	4,5-dichloro-2-(4-methylphenyl)pyridazin-3(2H)-one; 4,5-DICHLORO-2-(4-METHYLPHENYL)-2,3-DIHYDROPYRIDAZ
Molecular Formula	C11H8Cl2N2O
Molecular Weight	255.1

Physical property

Density	1.39g/cm3
Melting point	144℃
Boiling point	339.4°C at 760 mmHg
Flash point	159°C
Refractive index	1.627

Hazard Symbols	Xi:Irritant;
Risk Codes	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.; S37/39:Wear suitable gloves and eye/face protection.;