3-Ethynylthiophene

Modify Date: 2024-01-02 08:13:17

3-Ethynylthiophene structure	Common Name	3-Ethynylthiophene
	CAS Number	67237-53-0	Molecular Weight	108.161
	Density	1.1±0.1 g/cm3	Boiling Point	150.0±13.0 °C at 760 mmHg
	Molecular Formula	C₆H₄S	Melting Point	N/A
	MSDS	Chinese USA	Flash Point	28.4±6.0 °C
	Symbol	GHS02, GHS05, GHS07	Signal Word	Danger

Name	3-Ethynylthiophene
Synonym	More Synonyms

Density	1.1±0.1 g/cm3
Boiling Point	150.0±13.0 °C at 760 mmHg
Molecular Formula	C₆H₄S
Molecular Weight	108.161
Flash Point	28.4±6.0 °C
Exact Mass	108.003372
PSA	28.24000
LogP	1.88
Appearance of Characters	Liquid \| Colorless to yellow to orange
Vapour Pressure	5.0±0.3 mmHg at 25°C
Index of Refraction	1.571
Storage condition	Room temperature.
Water Solubility	Slightly soluble in water.

3-Ethynylthiophene MSDS(Chinese)

Symbol	GHS02, GHS05, GHS07
Signal Word	Danger
Hazard Statements	H226-H315-H318-H335
Precautionary Statements	P261-P280-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi: Irritant;
Risk Phrases	R10;R37/38;R41
Safety Phrases	S16-S26-S39
RIDADR	UN 1993
WGK Germany	3
Packaging Group	III
Hazard Class	3.0
HS Code	2934999090

Precursor 7
CAS#:133844-85-6 2-methyl-4-thio... CAS#:130995-13-0 Trimethyl(3-thi... CAS#:81294-09-9 3-(2,2-dibromoe... CAS#:498-62-4 3-Thiophenecarb...
CAS#:41507-35-1 3-Thiophenecarb... CAS#:872-31-1 3-Bromothiophene CAS#:115-19-5 3-Methyl butynol
DownStream 7
CAS#:1261297-58-8 2-phenyl-4-(thi... CAS#:55-21-0 Benzamide CAS#:3424-93-9 4-Methoxybenzamide CAS#:88-13-1 Thiophene-3-car...
CAS#:58414-52-1 methyl thiophen... CAS#:736987-75-0 (E)-4,4,5,5-TET... CAS#:15509-95-2 1,3,5-TRI(THIOP...

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

Silver-Mediated Synthesis of Indolizines via Oxidative C-H functionalization and 5- endo-dig cyclization.

Tetrahedron Lett. 55(50) , 6922-6924, (2014)

An efficient strategy for the synthesis of indolizines from readily available starting materials via oxidative C-H functionalization and 5-endo-dig cyclization in one step has been demonstrated. This ...

MFCD04039973

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