Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-Benzoyl-2H-chromen-2-one
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

1846-74-8

1846-74-8 structure

1846-74-8 structure

Name: 2H-1-Benzopyran-2-one, 3-benzoyl-
Chemical Name: 3-benzoylchromen-2-one
CAS Number: 1846-74-8
Molecular Formula: C₁₆H₁₀O₃
Molecular Weight: 250.24900
Create Date: 2018-07-12 12:30:54
Modify Date: 2025-08-25 16:43:37

Name	3-benzoylchromen-2-one
Synonyms	3-benzoyl-2-oxo-2H-1-benzopyran 2H-1-Benzopyran-2-one,3-benzoyl benzoyl-3 coumarine COUMARIN,3-BENZOYL 3-benzoyl-chromen-2-one 3-Benzoyl-2H-1-benzopyran-2-one 3-benzoylcoumarine 3-benzoyl-2H-chromen-2-one 3-benzoyl-2H-2-chromenone 3-benzoyl-coumarin

Density	1.302g/cm3
Boiling Point	447.7ºC at 760 mmHg
Molecular Formula	C₁₆H₁₀O₃
Molecular Weight	250.24900
Flash Point	202ºC
Exact Mass	250.06300
PSA	47.28000
LogP	3.02400
Vapour Pressure	3.29E-08mmHg at 25°C
Index of Refraction	1.642

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GN4934000

CHEMICAL NAME :: Coumarin, 3-benzoyl-

CAS REGISTRY NUMBER :: 1846-74-8

BEILSTEIN REFERENCE NO. :: 0190875

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C16-H10-O3

MOLECULAR WEIGHT :: 250.26

WISWESSER LINE NOTATION :: T66 BOVJ DVR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 180 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04208

HS Code	2932209090

Precursor 10
94-02-0 90-02-8 97139-82-7 37510-42-2
89-95-2 13636-88-9 91-64-5 98-88-4
20280-86-8 55991-67-8
DownStream 5
90-02-8 1846-78-2 2555-25-1 7216-47-9
6272-41-9

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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