
78-27-3
| Name | 1-Ethynyl-1-cyclohexanol |
| CAS | 78-27-3 |
| EINECS(EC#) | 201-100-9 |
| Molecular Formula | C8H12O |
| MDL Number | MFCD00003858 |
| Molecular Weight | 124.18 |
| MOL File | 78-27-3.mol |
Chemical Properties
| Appearance | Colorless liquid |
| Melting point | 30-33 °C(lit.) |
| Boiling point | 180 °C(lit.) |
| density | 0.967 g/mL at 25 °C(lit.) |
| vapor pressure | <1 mm Hg ( 20 °C) |
| refractive index | 1.481-1.484 |
| Fp | 163 °F |
| storage temp. | 2-8°C |
| solubility | 10 g/L (20°C) |
| form | Liquid After Melting |
| pka | 13.34±0.20(Predicted) |
| color | Clear colorless to light yellow |
| PH | 7 (1g/l, H2O, 20℃) |
| explosive limit | 1.3-8.7%(V) |
| Water Solubility | 10 g/L (20 ºC) |
| Detection Methods | NMR,MS,GC |
| BRN | 471404 |
| InChI | 1S/C8H12O/c1-2-8(9)6-4-3-5-7-8/h1,9H,3-7H2 |
| InChIKey | QYLFHLNFIHBCPR-UHFFFAOYSA-N |
Safety Data
| Symbol(GHS) | ![]() GHS06 |
| Signal word | Danger |
| Hazard statements | H302-H311-H315-H319 |
| Precautionary statements | P264-P270-P280-P301+P312-P302+P352+P312-P305+P351+P338 |
| Hazard Codes | Xn,Xi |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 2811 6.1/PG 3 |
| WGK Germany | 1 |
| RTECS | GV9100000 |
| Autoignition Temperature | 365 °C |
| TSCA | Yes |
| REACH Registrations | Active |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29061900 |
| Storage Class | 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects |
| Hazard Classifications | Acute Tox. 3 Dermal Acute Tox. 4 Oral Eye Irrit. 2 Skin Irrit. 2 |
| Toxicity |
