2-Ethynylthiophene
Synonym(s):2-Acetylenylthiophene
- CAS NO.：4298-52-6
- Empirical Formula: C6H4S
- Molecular Weight: 108.16
- MDL number: MFCD03425129
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:55
What is 2-Ethynylthiophene?
Chemical properties
Clear yellow liquid
The Uses of 2-Ethynylthiophene
2-Ethynylthiophene is used in preparation of triazole derivative as Hsp90 inhibitors and anti-cancer metastasis drugs.
Definition
ChEBI: 2-Ethynylthiophene is a heteroarene.
Synthesis Reference(s)
The Journal of Organic Chemistry, 41, p. 1487, 1976 DOI: 10.1021/jo00871a001
Synthesis, p. 589, 1996 DOI: 10.1055/s-1996-4265
Properties of 2-Ethynylthiophene
| Boiling point: | 70℃/20Torr |
| Density | 1.080 |
| refractive index | n20/D1.580 |
| Flash point: | 42℃ |
| storage temp. | Keep in dark place,Sealed in dry,Store in freezer, under -20°C |
| form | clear liquid |
| color | Light yellow to Brown |
| CAS DataBase Reference | 4298-52-6 |
Safety information for 2-Ethynylthiophene
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 2-Ethynylthiophene
| InChIKey | LWISLHRIEATKTM-UHFFFAOYSA-N |
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