5-methylchromen-2-one
Names
[ CAS No. ]:
42286-84-0
[ Name ]:
5-methylchromen-2-one
[Synonym ]:
COUMARIN,5-METHYL
5-methyl-chromen-2-one
2H-1-Benzopyran-2-one,5-methyl
5-methyl-2H-1-benzopyran-2-one
5-Methyl-2H-1-benzopyran-2-on
5-methylchromone
5-Methylcoumarin
5-Methyl-cumarin
Chemical & Physical Properties
[ Density]:
1.2g/cm3
[ Boiling Point ]:
310.3ºC at 760 mmHg
[ Molecular Formula ]:
C10H8O2
[ Molecular Weight ]:
160.16900
[ Flash Point ]:
127.1ºC
[ Exact Mass ]:
160.05200
[ PSA ]:
30.21000
[ LogP ]:
2.10140
[ Index of Refraction ]:
1.583
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- GN7791500
- CHEMICAL NAME :
- Coumarin, 5-methyl-
- CAS REGISTRY NUMBER :
- 42286-84-0
- BEILSTEIN REFERENCE NO. :
- 0121650
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C10-H8-O2
- MOLECULAR WEIGHT :
- 160.18
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 261 mg/kg
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold
- REFERENCE :
- YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 76,186,1956
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%