- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: 3-Ethynylthiophene
- Price: Check
- Purity: 97.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: 3-Ethynylthiophene
- Price: ￥558.0/5g ￥148.0/1g ￥988.0/10g ￥1988.0/25g
- Purity: 97.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 3-Ethynylthiophene
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
67237-53-0
67237-53-0 structure
- Name: 3-Ethynylthiophene
- Chemical Name: 3-Ethynylthiophene
- CAS Number: 67237-53-0
- Molecular Formula: C6H4S
- Molecular Weight: 108.161
- Catalog: Pharmaceutical intermediate Heterocyclic compound Thiophene compound
- Create Date: 2018-03-11 08:00:00
- Modify Date: 2025-08-21 09:47:24
| Name | 3-Ethynylthiophene |
|---|---|
| Synonyms |
MFCD04039973
Thiophene,3-ethynyl 3-Thienylacetylene 3-ethenyl-thiophene (Thien-3-yl)acetylene 3-thiofuranyl acetylene 3-Ethynylthiophene 3-thiopheneacetylene 3-Ethynyl thiophene Thiophene, 3-ethynyl- (thiophen-3-yl)acetylene |
| 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 | 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. |
| 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 | |
|---|---|
| DownStream 7 | |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |