3-acetyl-7-methyl-2H-chromen-2-one

Modify Date: 2025-08-20 18:39:41

3-acetyl-7-methyl-2H-chromen-2-one Structure
3-acetyl-7-methyl-2H-chromen-2-one structure
 Common Name 3-acetyl-7-methyl-2H-chromen-2-one
CAS Number 20280-93-7 Molecular Weight 202.20600
Density 1.243g/cm3 Boiling Point 403.2ºC at 760mmHg
Molecular Formula C12H10O3 Melting Point N/A
MSDS N/A Flash Point 183.4ºC

 Names

Name 3-acetyl-7-methylchromen-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.243g/cm3
Boiling Point 403.2ºC at 760mmHg
Molecular Formula C12H10O3
Molecular Weight 202.20600
Flash Point 183.4ºC
Exact Mass 202.06300
PSA 47.28000
LogP 2.30400
Vapour Pressure 1.04E-06mmHg at 25°C
Index of Refraction 1.575

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GN4915000
CHEMICAL NAME :
Coumarin, 3-acetyl-7-methyl-
CAS REGISTRY NUMBER :
20280-93-7
BEILSTEIN REFERENCE NO. :
0160620
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C12-H10-O3
MOLECULAR WEIGHT :
202.22
WISWESSER LINE NOTATION :
T66 BOVJ E1 JV1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
625 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PHTXA6 Pharmacology and Toxicology. English translation of FATOAO. (New York, NY) V.20-22, 1957-59. Discontinued. Volume(issue)/page/year: 21,555,1958

 Safety Information

HS Code 2932209090

 Precursor & DownStream

Precursor  2

DownStream  0

 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,3-ACETYL-7-METHYL
3-acetyl-7-methyl-2H-chromen-2-one
3-Acetyl-7-methylcoumarin
3-Acetyl-7-methyl-cumarin
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