ChemNet > CAS > 91-64-5 Coumarin

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
????? ??????	91-64-5
????? ??????? ???????	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
??? ??????	Xn:Harmful;
????? ???	R20/21/22:; R36/37/38:; R40:;
??????? ?????	S26:; S36/37:;

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