Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-(Benzo[b]thiophen-3-yl)ethan-1-one
Price: Check
Purity: 98.0%
Stocking Period: 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%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1128-05-8

1128-05-8 structure

1128-05-8 structure

Name: 1-(1-Benzothien-3-yl)ethanone
Chemical Name: 3-Acetyl benz[b]thiophene
CAS Number: 1128-05-8
Molecular Formula: C₁₀H₈OS
Molecular Weight: 176.235
Create Date: 2018-06-25 12:17:31
Modify Date: 2025-08-24 19:49:37

Name	3-Acetyl benz[b]thiophene
Synonyms	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

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

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
75-36-5 95-15-8 36748-88-6 74-88-4
20896-18-8 108-24-7 7342-82-7 127-19-5
24434-84-2 917-64-6
DownStream 10
5381-25-9 31283-14-4 20896-18-8 362-57-2
16958-00-2 26167-45-3 7146-33-0 769-59-5
917957-70-1 61-40-5

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