320784-74-5
320784-74-5 structure
- Name: 2-Ethynyl-2,5,5-trimethyl-3,4,4a,10b-tetrahydro-2H,5H-pyrano[3,2-c]chromene
- Chemical Name: 2-Ethynyl-2,5,5-trimethyl-3,4,4a,10b-tetrahydro-2H,5H-pyrano[3,2-c]chromene
- CAS Number: 320784-74-5
- Molecular Formula: C17H20O2
- Molecular Weight: 256.340
- Create Date: 2021-09-14 08:50:30
- Modify Date: 2025-09-18 10:46:48
| Name | 2-Ethynyl-2,5,5-trimethyl-3,4,4a,10b-tetrahydro-2H,5H-pyrano[3,2-c]chromene |
|---|---|
| Synonyms |
2-Ethynyl-2,5,5-trimethyl-3,4,4a,10b-tetrahydro-2H,5H-pyrano[3,2-c]chromene
MFCD00555227 2H,5H-Pyrano[3,2-c][1]benzopyran, 2-ethynyl-3,4,4a,10b-tetrahydro-2,5,5-trimethyl- |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 330.9±42.0 °C at 760 mmHg |
| Molecular Formula | C17H20O2 |
| Molecular Weight | 256.340 |
| Flash Point | 118.5±27.4 °C |
| Exact Mass | 256.146332 |
| LogP | 4.31 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.559 |