Chlorine
ALDRICH/295132 - ≥99.5%
Synonym: Chlorine gas
CAS Number: 7782-50-5
Empirical Formula (Hill Notation): Cl2
Molecular Weight: 70.91
EC Number: 231-959-5
MDL Number: MFCD00010934
Linear Formula: Cl2
Product Type: Chemical
| assay | ≥99.5% |
| bp | −34 °C (lit.) |
| form | gas (compressed) |
| InChI | 1S/Cl2/c1-2 |
| InChI key | KZBUYRJDOAKODT-UHFFFAOYSA |
| mp | −101 °C (lit.) |
| pH | 1.8 (20 °C, 6.4 g/L) |
| Quality Level | 100  |
| resistivity | 1E9 μΩ-cm, 20°C |
| SMILES string | ClCl |
| vapor density | 2.48 (vs air) |
| vapor pressure | 4800 mmHg ( 20 °C) |
| Application: | Chlorine gas has been used to generate chlorine atoms via photolysis for molecular halogen photochemical experiments. It can be used: • As a reactant for the extraction of gold from an alluvial material via a pyrometallurgical process. • To synthesize carbide-derived carbons (CDC) from zirconium carbide. |
| Legal Information: | Aldrich is a registered trademark of Sigma-Aldrich Co. LLC |
| Other Notes: | See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation |
| Packaging: | 454 g in steel cylinder |
| Packaging: | Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed. Compatible with the following:• Aldrich® lecture-bottle station systems • Aldrich® lecture-bottle gas regulators |
| Symbol |     GHS03,GHS04,GHS06,GHS09 |
| Signal word | Danger |
| Hazard statements | H270 - H280 - H315 - H319 - H330 - H335 - H410 |
| Precautionary statements | P273 - P302 + P352 - P304 + P340 + P310 - P305 + P351 + P338 - P403 + P233 - P410 + P403 |
| Hazard Codes | O,T,N |
| Risk Statements | 8-23-36/37/38-50 |
| Safety Statements | 9-45-61 |
| RIDADR | UN1017 - class 2 - Chlorine |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% |
| bp | −34 °C (lit.) |
| mp | −101 °C (lit.) |
| UNSPSC | 12142100 |