Argon
ALDRICH/295000 - ≥99.998%
Synonym: Argon gas
CAS Number: 7440-37-1
Empirical Formula (Hill Notation): Ar
Molecular Weight: 39.95
EC Number: 231-147-0
MDL Number: MFCD00003431
Linear Formula: Ar
Product Type: Chemical
| assay | ≥99.998% |
| bp | -185.7 °C (lit.) |
| impurities | ≤3 ppm oxygen |
| ≤3 ppm water | |
| InChI | 1S/Ar |
| InChI key | XKRFYHLGVUSROY-UHFFFAOYSA |
| mp | -189.2 °C (lit.) |
| Quality Level | 100  |
| SMILES string | [Ar] |
| vapor density | 1.38 (21 °C, vs air) |
| 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: | 56 L 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 |  GHS04 |
| Signal word | Warning |
| Hazard statements | H280 |
| Precautionary statements | P410 + P403 |
| RIDADR | UN 1006 2.2 |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.998% |
| bp | -185.7 °C (lit.) |
| mp | -189.2 °C (lit.) |
| UNSPSC | 12142100 |