2H-Chromen-2-one | CAS No. 91-64-5
2H-Chromen-2-one
Basic Information
CAS Number
91-64-5
Molecular Formula
C9H6O2
Molecular Weight
146.14 g/mol
AD
Basic Physical Properties
Physical State
Powder
Melting Point
68-73 °C
Boiling Point
298 °C
Water Solubility
1.7 g/L (20 ºC)
Flash Point
162 ºC
Solubility
1.7g/l
Refractive Index
1.5100 (estimate)
Vapor Pressure
0.01 mmHg ( 47 °C)
Safety Information
View Safety InformationGHS Hazard Pictograms
H301Hazard Statement
H301
Toxic if swallowed
Acute toxicity, oral
Acute toxicity, oral
Hazard Class
Class 6.1
Class 6.1
Storage Conditions
2-8℃
Toxicity
LD50 orally in rats, guinea pigs: 680, 202 mg/kg (Jenner)
Synonyms & References
English
- 2H-Chromen-2-one
- TIMTEC-BB SBB000094
- O-HYDROXYCINNAMIC ACID LACTONE
- TONKA BEAN CAMPHOR
- 5,6-BENZO-2-PYRONE
- AKOS 212-75
- 2H-1-BENZOPYRAN-2-ONE
- 2H-1-BENZOPYAN-2-ONE
- 1,2-BENZOPYRONE
- Coumarin
- COUMARIN(P) PrintBack
- COUMARIN, INDICATOR
- chromen-2-one
- cis-o-CouMarinic acid lactone
- COUMARINE
- CouMarinic anhydride
- CUMARIN
- Kumarin
- Rattex
- Benzo-alpha-pyrone
- o-Hydroxycinnamic lactone
- 2-Oxo-1,2-benzopyran
- Coumarinic lactone
- Benzo-a-pyrone
- Kumarin [Czech]
- 2H-1-Benzopyran, 2-oxo-
- 5,6-Benzo-alpha-pyrone
- 2H-Benzo[b]pyran-2-one
- 2H-Benzo(b)pyran-2-one
- 1-Benzopyran-2-one
- Caswell No. 259C
MDL Number
MFCD00006850
Related Compounds
![N-(2-Methoxyphenyl)-N-[(4-methylphenyl)sulfonyl]-beta-alanine structure](https://static.chemtradehub.com/structs/103/103687-96-3-8086.webp "N-(2-Methoxyphenyl)-N-[(4-methylphenyl)sulfonyl]-beta-alanine structure")
N-(2-Methoxyphenyl)-N-[(4-methylphenyl)sulfonyl]-beta-alanine
CAS Number:
103687-96-3
Molecular Formula:
C17H19NO5S
![5'-O-[Bis(4-methoxyphenyl)(phenyl)methyl]cytidine structure](https://static.chemtradehub.com/structs/112/112897-99-1-d1f4.webp "5'-O-[Bis(4-methoxyphenyl)(phenyl)methyl]cytidine structure")
5'-O-[Bis(4-methoxyphenyl)(phenyl)methyl]cytidine
CAS Number:
112897-99-1
Molecular Formula:
C30H31N3O7
![(3S,4R)-3-Hydroxy-2,2-dimethyl-4-[(3-oxo-1-cyclopenten-1-yl)oxy]-6-chromanecarbonitrile structure](https://static.chemtradehub.com/structs/121/121055-10-5-583d.webp "(3S,4R)-3-Hydroxy-2,2-dimethyl-4-[(3-oxo-1-cyclopenten-1-yl)oxy]-6-chromanecarbonitrile structure")
(3S,4R)-3-Hydroxy-2,2-dimethyl-4-[(3-oxo-1-cyclopenten-1-yl)oxy]-6-chromanecarbonitrile
CAS Number:
121055-10-5
Molecular Formula:
C17H17NO4
![Methyl 5-chloropyrazolo[1,5-a]pyrimidine-2-carboxylate structure](https://static.chemtradehub.com/structs/126/1263059-26-2-d6da.webp "Methyl 5-chloropyrazolo[1,5-a]pyrimidine-2-carboxylate structure")
Methyl 5-chloropyrazolo[1,5-a]pyrimidine-2-carboxylate
CAS Number:
1263059-26-2
Molecular Formula:
C8H6ClN3O2
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