1-(2,5-Dimethyl-3-thienyl)ethanone

Modify Date: 2025-08-27 19:50:54

1-(2,5-Dimethyl-3-thienyl)ethanone structure	Common Name	1-(2,5-Dimethyl-3-thienyl)ethanone
	CAS Number	2530-10-1	Molecular Weight	154.229
	Density	1.1±0.1 g/cm3	Boiling Point	223.1±0.0 °C at 760 mmHg
	Molecular Formula	C₈H₁₀OS	Melting Point	N/A
	MSDS	Chinese USA	Flash Point	98.9±0.0 °C

Name	1-(2,5-dimethylthiophen-3-yl)ethanone
Synonym	More Synonyms

Density	1.1±0.1 g/cm3
Boiling Point	223.1±0.0 °C at 760 mmHg
Molecular Formula	C₈H₁₀OS
Molecular Weight	154.229
Flash Point	98.9±0.0 °C
Exact Mass	154.045242
PSA	45.31000
LogP	2.36
Vapour Pressure	0.1±0.4 mmHg at 25°C
Index of Refraction	1.532

1-(2,5-Dimethyl-3-thienyl)ethanone MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: OB2888000

CHEMICAL NAME :: Ketone, 2,5-dimethyl-3-thienyl methyl

CAS REGISTRY NUMBER :: 2530-10-1

BEILSTEIN REFERENCE NO. :: 0112095

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H10-O-S

MOLECULAR WEIGHT :: 154.24

WISWESSER LINE NOTATION :: T5SJ B1 CV1 E1

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 :: 260 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - other changes

REFERENCE :: APFRAD Annales Pharmaceutiques Francaises. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1943- Volume(issue)/page/year: 5,16,1947

Personal Protective Equipment	Eyeshields;Gloves
Risk Phrases	R36/37/38
Safety Phrases	S24/25
RIDADR	UN 3334
WGK Germany	3
RTECS	OB2888000
HS Code	2934999090

2,5-Dimethylthi...

CAS#:638-02-8

Ethanoic anhydride

CAS#:108-24-7

~86%

1-(2,5-Dimethyl...

CAS#:2530-10-1

Literature: Kobatake, Seiya; Kuma, Shunpei; Irie, Masahiro Journal of Physical Organic Chemistry, 2007 , vol. 20, # 11 p. 960 - 967

2,5-Dimethylthi...

CAS#:638-02-8

Acetyl chloride

CAS#:75-36-5

1-(2,5-Dimethyl...

CAS#:2530-10-1

Literature: Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, , vol. 45, p. 1937 Chem. Zentralbl., , vol. 85, # I p. 1663

N/A

CAS#:131392-02-4

1-(2,5-Dimethyl...

CAS#:2530-10-1

Literature: Journal of the American Chemical Society, , vol. 73, p. 4033

2,4-DIMETHYLTHI...

CAS#:638-00-6

Acetyl chloride

CAS#:75-36-5

1-(2,5-Dimethyl...

CAS#:2530-10-1

Literature: Chemische Berichte, , vol. 84, p. 423,425 Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, , p. 564,568 Chem.Abstr., , p. 9615

methylthiol

CAS#:554-14-3

1-(2,5-Dimethyl...

CAS#:2530-10-1

Literature: Chemische Berichte, , vol. 20, p. 1747

Acetonylacetone

CAS#:110-13-4

1-(2,5-Dimethyl...

CAS#:2530-10-1

Literature: Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, , vol. 45, p. 1937 Chem. Zentralbl., , vol. 85, # I p. 1663

Precursor 6
CAS#:638-02-8 2,5-Dimethylthi... CAS#:108-24-7 Ethanoic anhydride CAS#:75-36-5 Acetyl chloride CAS#:638-00-6 2,4-DIMETHYLTHI...
CAS#:554-14-3 methylthiol CAS#:110-13-4 Acetonylacetone
DownStream 8
CAS#:26421-32-9 2,5-dimethylthi... CAS#:120159-25-3 2,5-dimethyl-3-... CAS#:122654-17-5 2-bromo-1-(2,5-... CAS#:424-58-8 1-(2,5-dimethyl...
CAS#:57248-13-2 2,5-dimethylthi... CAS#:578-30-3 1-(2,5-dimethyl... CAS#:55735-23-4 3-ethyl-2,5-dim... CAS#:57248-16-5 bis(2,5-dimethy...

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Microwave assisted synthesis, characterization and biological evaluation of palladium and platinum complexes with azomethines.

Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 75(1) , 422-7, (2010)

Reactions of 3-acetyl-2,5-dimethylthiophene with thiosemicarbazide and semicarbazide hydrochloride resulted in the formation of new heterocyclic ketimines, 3-acetyl-2,5-dimethylthiophene thiosemicarba...

T5SJ B1 CV1 E1

EINECS 219-779-5

Ethanone, 1-(2,5-dimethyl-3-thienyl)-

Ethanone,1-(2,5-dimethyl-3-thienyl)

Dimethylthienylcetone [French]

Ketone, 2,5-dimethyl-3-thienyl methyl

3-Acetyl-2,5-dimethylthiophene

2,5-Dimethyl-3-thienyl methyl ketone

2,5-Dimethyl-3-acetylthiophene

3-Acetyl-2,5-dimethyllthiophene

1-(2,5-Dimethylthiophen-3-yl)ethanone

FEMA No. 3527

MFCD00009763

1-(2,5-Dimethyl-3-thienyl)ethanone

2,5-Dimethylthiophen-3-yl methyl ketone

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Product Name: 3-Acetyl-2,5-dimethylthiophene
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1-(2,5-Dimethyl-3-thienyl)ethanone

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