Basic

CAS No.	821-10-3
Product Name	1,4-Dichloro-2-butyne
Synonyms	Dichlorobutyne; 1,4-dichlorobut-2-yne; 1,4-dichlorobut-1-yne
Molecular Formula	C4H4Cl2
Molecular Weight	122.9806

Physical property

Density	1.222g/cm3
Boiling point	135.4°C at 760 mmHg
Flash point	39.7°C
Refractive index	1.474

Hazard Symbols	T:Toxic;
Risk Codes	R23/24/25:; R36/37/38:; R40:;
Safety Description	S26:; S28A:; S36/37/39:; S38:; S45:;