1-(1-Benzothien-3-yl)ethanone

Modify Date: 2025-08-24 19:49:37

1-(1-Benzothien-3-yl)ethanone structure	Common Name	1-(1-Benzothien-3-yl)ethanone
	CAS Number	1128-05-8	Molecular Weight	176.235
	Density	1.2±0.1 g/cm3	Boiling Point	304.5±15.0 °C at 760 mmHg
	Molecular Formula	C₁₀H₈OS	Melting Point	61-65ºC
	MSDS	N/A	Flash Point	138.0±20.4 °C

Name	3-Acetyl benz[b]thiophene
Synonym	More Synonyms

Density	1.2±0.1 g/cm3
Boiling Point	304.5±15.0 °C at 760 mmHg
Melting Point	61-65ºC
Molecular Formula	C₁₀H₈OS
Molecular Weight	176.235
Flash Point	138.0±20.4 °C
Exact Mass	176.029587
PSA	45.31000
LogP	2.78
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.647
InChIKey	ZTTZKDDWXHQKSY-UHFFFAOYSA-N
SMILES	CC(=O)c1csc2ccccc12

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OB6125000

CHEMICAL NAME :: Ketone, methyl 3-thianaphthenyl

CAS REGISTRY NUMBER :: 1128-05-8

BEILSTEIN REFERENCE NO. :: 0122587

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H8-O-S

MOLECULAR WEIGHT :: 176.24

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Parenteral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 400 mg/kg

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

REFERENCE :: CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 7,690,1955

Safety Phrases	S24/25
RTECS	OB6125000

Precursor 10
CAS#:75-36-5 Acetyl chloride CAS#:95-15-8 Thianaphthene CAS#:36748-88-6 3-IODOBENZO[B]T... CAS#:74-88-4 methyl iodide
CAS#:20896-18-8 1-Benzo[b]thiop... CAS#:108-24-7 Ethanoic anhydride CAS#:7342-82-7 5-Bromo-1-benzo... CAS#:127-19-5 N,N-Dimethylace...
CAS#:24434-84-2 Benzo[b]thiophe... CAS#:917-64-6 METHYLMAGNESIUM...
DownStream 10
CAS#:5381-25-9 1-Benzothiophen... CAS#:31283-14-4 3-ethyl-1-benzo... CAS#:20896-18-8 1-Benzo[b]thiop... CAS#:362-57-2 1-benzothiophen...
CAS#:16958-00-2 3-ethyl-1-benzo... CAS#:26167-45-3 1-(1-Benzothiop... CAS#:7146-33-0 Methanone,1,1'-... CAS#:769-59-5 2-Butanone, 3-p...
CAS#:917957-70-1 1-[1-(1-benzoth... CAS#:61-40-5 1-(1-benzothiop...

3-acetylbenzo[b]thiophene

MFCD00051638

1-benzo[b]thiophen-3-ylethan-1-one

Ketone, benzo(b)thien-3-yl methyl

Ketone, benzo(b)thien-3-yl methyl (8CI)

1-(benzothiophen-3-yl)ethanone

3-ACETYLTHIANAPHTHENE,98

Ethanone, 1-benzo[b]thien-3-yl-

1-(Benzo[b]thiophene-3-yl)ethanone

1-(Benzo<b>thien-3-yl)ethanone

3-Acetyl-1-benzothiophene

3-Acetyl benzothiophene

Ketone, benzo[b]thien-3-yl methyl

1-(1-Benzothien-3-yl)ethanone

1-benzo[b]thiophen-3-ylethanone

1-(1-Benzothiophen-3-yl)ethanone

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-(Benzo[b]thiophen-3-yl)ethan-1-one
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Acetylthianaphthene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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