| Melting point |
-102.7 °C (lit.) |
| Boiling point |
-23.2 °C (lit.) |
| Density |
0.6070 |
| vapor pressure |
204.6 mm Hg ( −49.5 °C) |
| refractive index |
1.3863 |
| Flash point |
-51 °C |
| solubility |
Soluble in alcohol, benzene, and chloroform (Weast, 1986) |
| form |
gas |
| color |
Colorless, flammable gas with a sweet odor |
| Water Solubility |
3,640 mg/L at 20 °C (quoted, Verschueren, 1983) |
| Henry's Law Constant |
0.11 at 25 °C (Hine and Mookerjee, 1975) |
| Exposure limits |
NIOSH REL: TWA 1,000 ppm (1,650 mg/m3), IDLH 1,700 ppm; OSHA PEL:
TWA 1,000 ppm; ACGIH TLV: TWA 1,000 ppm (adopted). |
| InChIKey |
MWWATHDPGQKSAR-UHFFFAOYSA-N |
| CAS DataBase Reference |
74-99-7(CAS DataBase Reference) |
| NIST Chemistry Reference |
Propyne(74-99-7) |
| EPA Substance Registry System |
Propyne (74-99-7) |