2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-
Names
[ CAS No. ]:
6335-27-9
[ Name ]:
2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-
[Synonym ]:
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
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
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2932209090
[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%