Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-acetyl-7-methyl-2H-chromen-2-one
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-acetyl-7-methyl-2H-chromen-2-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

20280-93-7

20280-93-7 structure

20280-93-7 structure

Name: 3-acetyl-7-methyl-2H-chromen-2-one
Chemical Name: 3-acetyl-7-methylchromen-2-one
CAS Number: 20280-93-7
Molecular Formula: C₁₂H₁₀O₃
Molecular Weight: 202.20600
Create Date: 2018-12-23 21:06:17
Modify Date: 2025-08-20 18:39:41

Name	3-acetyl-7-methylchromen-2-one
Synonyms	COUMARIN,3-ACETYL-7-METHYL 3-acetyl-7-methyl-2H-chromen-2-one 3-Acetyl-7-methylcoumarin 3-Acetyl-7-methyl-cumarin

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

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

HS Code	2932209090

Precursor 2
698-27-1 141-97-9
DownStream 0

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

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