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91-64-5

91-64-5 Structure

91-64-5 Structure
IdentificationMore
【Name】

Coumarin
【CAS】

91-64-5
【Synonyms】

1,2-BENZOPYRONE
1-BENZOPYRAN-2-ONE
2H-1-BENZOPYAN-2-ONE
2H-1-BENZOPYRAN-2-ONE
5,6-BENZO-2-PYRONE
AKOS 212-75
CHROMEN-2-ONE
CIS-O-COUMARINIC ACID LACTONE
COUMARIN
COUMARIN, CHINESE
COUMARINIC ANHYDRIDE
CUMARIN
O-HYDROXYCINNAMIC ACID LACTONE
TIMTEC-BB SBB000094
TONKA BEAN CAMPHOR
2H-1-Benzopyran, 2-oxo-
2h-benzo(b)pyran-2-one
2H-Benzo[b]pyran-2-one
2H-Chromen-2-one
2-Oxo-1,2-benzopyran
【EINECS(EC#)】

202-086-7
【Molecular Formula】

C9H6O2
【MDL Number】

MFCD00006850
【Molecular Weight】

146.14
【MOL File】

91-64-5.mol
Chemical PropertiesBack Directory
【Appearance】

WHITE CRYSTALS OR CRYSTALLINE POWDER
【mp 】

68-73 °C(lit.)
【bp 】

298 °C(lit.)
【density 】

0.935
【vapor pressure 】

0.01 mm Hg ( 47 °C)
【Fp 】

162 °C
【Water Solubility 】

1.7 g/L (20 ºC)
【Merck 】

14,2562
【Detection Methods】

HPLC
【BRN 】

383644
【CAS DataBase Reference】

91-64-5(CAS DataBase Reference)
【NIST Chemistry Reference】

Coumarin(91-64-5)
【EPA Substance Registry System】

91-64-5(EPA Substance)
Safety DataBack Directory
【Hazard Codes 】

Xn
【Risk Statements 】

R22:Harmful if swallowed.
R40:Limited evidence of a carcinogenic effect.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R43:May cause sensitization by skin contact.
【Safety Statements 】

S36:Wear suitable protective clothing .
S36/37:Wear suitable protective clothing and gloves .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
【RIDADR 】

UN 2811 6.1/PG 3
【WGK Germany 】

1
【RTECS 】

GN4200000
【HazardClass 】

6.1
【PackingGroup 】

III
【Hazardous Substances Data】

91-64-5(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Phosphorus oxychloride-->Sodium acetate trihydrate-->Salicylaldehyde-->o-Cresol-->SULPHOSUCCINIC ACID ESTER
【Preparation Products】

Benzofuran-->Bromadiolone-->N,N-Dimethyl-1,4-phenylenediamine-->COUMARIN 7-->Hydrocoumarin
Hazard InformationBack Directory
【General Description】

Colorless crystals, flakes or colorless to white powder with a pleasant fragrant vanilla odor and a bitter aromatic burning taste.
【Reactivity Profile】

COUMARIN(91-64-5) is sensitive to exposure to light. COUMARIN(91-64-5) is also sensitive to heat. This chemical is incompatible with strong acids, strong bases and oxidizers. COUMARIN(91-64-5) is hydrolyzed by hot concentrated alkalis. COUMARIN(91-64-5) can be halogenated, nitrated and hydrogenated (in the presence of catalysts).
【Air & Water Reactions】

Insoluble in water.
【Health Hazard】

SYMPTOMS: Exposure to this compound may cause narcosis. It may also cause irritation and liver damage.
【Fire Hazard】

This chemical is combustible.
Spectrum DetailBack Directory
【Spectrum Detail】

Coumarin(91-64-5)MS
Coumarin(91-64-5)IR3
Coumarin(91-64-5)13CNMR
Coumarin(91-64-5)IR2
Coumarin(91-64-5)IR1
Coumarin(91-64-5)1HNMR
Coumarin(91-64-5)Raman
Well-known Reagent Company Product InformationBack Directory
【Acros Organics】

Coumarin, 99+%(91-64-5)
【Alfa Aesar】

Coumarin, 98%(91-64-5)
【Sigma Aldrich】

91-64-5(sigmaaldrich)
【TCI AMERICA】

Coumarin,>99.0%(GC)(91-64-5)
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