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91-64-5 Coumarin

product Name Coumarin
CAS No 91-64-5
Synonyms 2H-1-Benzopyran-2-one; COUMARINE; 1-Benzopyran-2-one; 1,2-Benzopyrone; Chromen-2-one; O-Oxy-Cinnamic Lactone ; 2H-chromen-2-one
Molecular Formula C9H6O2
Molecular Weight 146.1427
EINECS 202-086-7
Molecular Structure 91-64-5 Coumarin
Density 1.248g/cm3
Melting point 68-71℃
Boiling point 298°C at 760 mmHg
Refractive index 1.594
Flash point 118.3°C
Water solubility 1.7 g/L (20℃)
Vapour Pressur 0.0013mmHg at 25°C
Hazard Symbols  Xn:Harmful;
Risk Codes R20/21/22:;
R36/37/38:;
R40:;
Safety Description S26:;
S36/37:;
MSDS Material Safety Data Sheet

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Description

Synonyms: 1,2-BenzopyroneMolecular Formula: C9H6O2Molecular Weight: 146.14 CAS Number: 91-64-5EG/EC Number: 2020867MDL Number: MFCD00006850Appearance: white crystalRate of available light: 92%Melting point: 69°C minBoiling point: 297-299°CAroma: similar to the smell sending from black soy bean
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2Shanghai Maochang Chemical Co., Ltd.
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