460-12-8
460-12-8 structure
- Name: Diacetylene
- Chemical Name: buta-1,3-diyne
- CAS Number: 460-12-8
- Molecular Formula: C4H2
- Molecular Weight: 50.05870
- Create Date: 2018-06-09 15:37:09
- Modify Date: 2024-01-05 13:49:35
| Name | buta-1,3-diyne |
|---|---|
| Synonyms |
biacetylene
Butane-1,3-diyne Diacetylene 1,3-Butadiyne 1,3-Butanediyne butadiyne EINECS 207-303-9 |
| Density | 0.806g/cm3 |
|---|---|
| Boiling Point | 10.3ºC at 760mmHg |
| Melting Point | -36ºC |
| Molecular Formula | C4H2 |
| Molecular Weight | 50.05870 |
| Exact Mass | 50.01570 |
| LogP | 0.25280 |
| Vapour Pressure | 1270mmHg at 25°C |
| Index of Refraction | 1.436 |
| Stability | Stability Highly flammable. Readily forms explosive mixtures with air. May form peroxides in storage. |
| RIDADR | UN 3161 |
|---|---|
| Hazard Class | 2.1 |
| HS Code | 2901299090 |
| Precursor 0 | |
|---|---|
| DownStream 10 | |
| HS Code | 2901299090 |
|---|---|
| Summary | 2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |