91-64-5 Coumarin

?? ?????	Coumarin
?? ?????	Coumarin; 2H-1-Benzopyran-2-one; COUMARINE; 1-Benzopyran-2-one; 1,2-Benzopyrone; Chromen-2-one; O-Oxy-Cinnamic Lactone ; 2H-chromen-2-one
????????? ???????	C₉H₆O₂
???? ????????	146.1427
???? CAS	91-64-5
EINECS	202-086-7
???? ????????
??????	1.248g/cm³
????? ?????	68-71℃
????? ?????	298°C at 760 mmHg
???? ?????	1.594
????? ????	118.3°C
?????? ????	1.7 g/L (20℃)
??? ????	0.0013mmHg at 25°C
Hazard ??????	Xn:Harmful;
??????? ????	R20/21/22:; R36/37/38:; R40:;
?????? ?????	S26:; S36/37:;

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