1-Chloro-4-ethynylbenzene
ALDRICH/206474 - 98%
Synonym: (4-
CAS Number: 873-73-4
Empirical Formula (Hill Notation): C8H5Cl
Molecular Weight: 136.58
MDL Number: MFCD00191917
Linear Formula: ClC6H4C≡CH
Product Type: Chemical
| assay | 98% |
| form | solid |
| functional group | chloro |
| InChI | 1S/C8H5Cl/c1-2-7-3-5-8(9) |
| InChI key | LFZJRTMTKGYJRS-UHFFFAOYSA |
| mp | 45-47 °C (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | Clc1ccc(cc1)C#C |
| General description: | 1-Chloro-4-ethynylbenzene undergoes standard Sonogashira reaction with iodophenyl groups on the film surfaces via the formation of C−C bonds. |
| Packaging: | 1 g in glass bottle |
| Symbol | ![]() GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H228 - H315 - H319 - H335 |
| Precautionary statements | P210 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | F,Xi |
| Risk Statements | 11-36/37/38 |
| Safety Statements | 16-26-36 |
| RIDADR | UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., H |
| WGK Germany | WGK 3 |
| Flash Point(F) | 50.0 °F - closed cup |
| Flash Point(C) | 10 °C - closed cup |
| Purity | 98% |
| mp | 45-47 °C (lit.) |
| UNSPSC | 12352100 |



