2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-

Modify Date: 2024-01-09 18:26:43

2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy- Structure
2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy- structure
Common Name 2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-
CAS Number 6335-27-9 Molecular Weight 190.19500
Density 1.269g/cm3 Boiling Point 371.3ºC at 760 mmHg
Molecular Formula C11H10O3 Melting Point N/A
MSDS N/A Flash Point 167.2ºC

 Names

Name 5-hydroxy-4,7-dimethylchromen-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.269g/cm3
Boiling Point 371.3ºC at 760 mmHg
Molecular Formula C11H10O3
Molecular Weight 190.19500
Flash Point 167.2ºC
Exact Mass 190.06300
PSA 50.44000
LogP 2.11540
Index of Refraction 1.599

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GN6705000
CHEMICAL NAME :
Coumarin, 4,7-dimethyl-5-hydroxy-
CAS REGISTRY NUMBER :
6335-27-9
BEILSTEIN REFERENCE NO. :
0163053
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C11-H10-O3

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>3200 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MPHEAE Medicina et Pharmacologia Experimentalis. (Basel, Switzerland) V.12-17, 1965-67. For publisher information, see PHMGBN. Volume(issue)/page/year: 17,497,1967

 Safety Information

HS Code 2932209090

 Synthetic Route

 Customs

HS Code 2932209090
Summary 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

4,7-dimethyl-5-hydroxy-2H-1-benzopyran-2-one
Coumarin,4,7-dimethyl-5-hydroxy
4,7-dimethyl-5-hydroxycoumarin
5-hydroxy-4,7-dimethyl-2H-chromen-2-one
5-hydroxy-4,7-dimethylcoumarin
5-hydroxy-4,7-dimethyl-6-nitrosocoumarin
5-hydroxy-4,7-dimethyl-2H-1-benzopyran-2-one
2H-1-Benzopyran-2-one,4,7-dimethyl-5-hydroxy