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
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
???? ??????	Xn:Harmful;
???? ?? ???	R20/21/22:; R36/37/38:; R40:;
??????? ?????	S26:; S36/37:;

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