5-methylchromen-2-one

Modify Date: 2024-01-08 18:42:23

5-methylchromen-2-one Structure
5-methylchromen-2-one structure
Common Name 5-methylchromen-2-one
CAS Number 42286-84-0 Molecular Weight 160.16900
Density 1.2g/cm3 Boiling Point 310.3ºC at 760 mmHg
Molecular Formula C10H8O2 Melting Point N/A
MSDS N/A Flash Point 127.1ºC

 Names

Name 5-methylchromen-2-one
Synonym More Synonyms

 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

~68%

5-methylchromen-2-one Structure

5-methylchromen...

CAS#:42286-84-0

Literature: Bratulescu, George Synthesis, 2008 , # 18 art. no. Z23607SS, p. 2871 - 2873

~12%

5-methylchromen-2-one Structure

5-methylchromen...

CAS#:42286-84-0

Literature: Osborne, A. G. Tetrahedron, 1981 , vol. 37, p. 2021 - 2025

~%

5-methylchromen-2-one Structure

5-methylchromen...

CAS#:42286-84-0

Literature: Ziegler, Thomas; Moehler, Hans; Effenberger, Franz Chemische Berichte, 1987 , vol. 120, p. 373 - 378

~%

5-methylchromen-2-one Structure

5-methylchromen...

CAS#:42286-84-0

Literature: Ziegler, Thomas; Moehler, Hans; Effenberger, Franz Chemische Berichte, 1987 , vol. 120, p. 373 - 378

~%

5-methylchromen-2-one Structure

5-methylchromen...

CAS#:42286-84-0

Literature: Chuit; Bolsing Bulletin de la Societe Chimique de France, 1906 , vol. <3> 35, p. 88

 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

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