- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: But-2-yne
- Price: Check
- Purity: 98.0%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: But-2-yne
- Price: ￥608.0/5ml
- Purity: 98.0%
- Stocking Period: 3 Day
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: 2-butyne
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
503-17-3
503-17-3 structure
- Name: But-2-yne
- Chemical Name: but-2-yne
- CAS Number: 503-17-3
- Molecular Formula: C4H6
- Molecular Weight: 54.090
- Catalog: Chemical reagent Organic reagent Alkyne
- Create Date: 2018-07-18 00:34:13
- Modify Date: 2025-08-20 16:56:03
| Name | but-2-yne |
|---|---|
| Synonyms |
2-Butyne
Dimethyl acetylene 1,2-dimethylvinylene Dimethylacetylene UN1144 MFCD00009275 EINECS 207-962-2 Crotonylene 1-methyl-1-propynyl |
| Density | 0.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 25.6±3.0 °C at 760 mmHg |
| Melting Point | -32 °C |
| Molecular Formula | C4H6 |
| Molecular Weight | 54.090 |
| Flash Point | -48.5±11.2 °C |
| Exact Mass | 54.046951 |
| LogP | 1.46 |
| Vapour Pressure | 745.1±0.0 mmHg at 25°C |
| Index of Refraction | 1.393 |
| Storage condition | 2-8°C |
| Hazard Codes | F+,Xi |
|---|---|
| Risk Phrases | R12;R36/37 |
| Safety Phrases | S16-S26-S36 |
| RIDADR | UN 1144 3/PG 1 |
| WGK Germany | 3 |
| RTECS | GQ7210000 |
| Packaging Group | I |
| Hazard Class | 3 |