3-Ethynylthiophene
- CAS NO.：67237-53-0
- Empirical Formula: C6H4S
- Molecular Weight: 108.16
- MDL number: MFCD04039973
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-02-19 12:30:55
What is 3-Ethynylthiophene?
The Uses of 3-Ethynylthiophene
3-Ethynylthiophene may be used in the synthesis of the following:
- 1-(2-bromobenzyl)-4-(thiophen-3-yl)-1H-1,2,3-triazole which is obtained by heating with 2-iodophenylethylazide in the presence of copper acetate monohydrate catalyst in N-methyl-2-pyrrolidone
- N-benzyl-1-phenyl-5-(thiophen-3-yl)-4-pentyn-2-amine via a multi-step reaction process
- [(C4H3S-3)C≡CAg]n, a polymeric compound obtained via reaction with silver nitrate in the presence of triethylamine in acetonitrile
- 4,5-bis(thiophen-3-ylethynyl)phthalonitrile via Sonogashira cross-coupling reaction with 4,5-dichlorophthalonitrile
Properties of 3-Ethynylthiophene
| Boiling point: | 152-153 °C (lit.) |
| Density | 1.098 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 115 °F |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| form | Liquid |
| color | Colorless to yellow to orange |
| Water Solubility | Slightly soluble in water. |
Safety information for 3-Ethynylthiophene
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-Ethynylthiophene
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