
624-65-7
| Name | 3-Chloropropyne |
| CAS | 624-65-7 |
| EINECS(EC#) | 210-856-9 |
| Molecular Formula | C3H3Cl |
| MDL Number | MFCD00000980 |
| Molecular Weight | 74.51 |
| MOL File | 624-65-7.mol |
Chemical Properties
| Melting point | <-50°C |
| Boiling point | 58 °C(lit.) |
| density | 1.03 g/mL at 25 °C(lit.) |
| vapor pressure | 24.08-69.52kPa at 20-50℃ |
| refractive index | n |
| Fp | 7 °F |
| storage temp. | 2-8°C |
| solubility | benzene: miscible |
| form | clear liquid |
| color | Colorless to Red to Green |
| Water Solubility | Not miscible or difficult to mix with water. |
| Merck | 14,7810 |
| BRN | 506005 |
| Dielectric constant | 7.5599999999999996 |
| Exposure limits | ACGIH: TWA 20 ppm OSHA: Ceiling 300 ppm; TWA 200 ppm NIOSH: IDLH 500 ppm; TWA 100 ppm(375 mg/m3); STEL 150 ppm(560 mg/m3) |
| InChI | 1S/C3H3Cl/c1-2-3-4/h1H,3H2 |
| InChIKey | LJZPPWWHKPGCHS-UHFFFAOYSA-N |
| SMILES | ClCC#C |
| LogP | 1.3 at 25℃ |
Safety Data
| Symbol(GHS) | ![]() ![]() ![]() GHS02,GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H225-H301+H311+H331-H314 |
| Precautionary statements | P210-P233-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338 |
| Hazard Codes | F,T,C |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 3286 3/PG 2 |
| WGK Germany | 2 |
| TSCA | Yes |
| REACH Registrations | Active |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29032990 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Acute Tox. 3 Oral Flam. Liq. 2 Skin Corr. 1B |


