7440-37-1
7440-37-1 structure
- Name: Argon
- Chemical Name: argon atom
- CAS Number: 7440-37-1
- Molecular Formula: Ar
- Molecular Weight: 39.94800
- Catalog: Inorganic chemical industry Industrial gases such as hydrogen, nitrogen and oxygen
- Create Date: 2018-05-27 08:00:00
- Modify Date: 2025-08-20 16:57:09
| Name | argon atom |
|---|---|
| Synonyms |
UN1006
UNII-67XQY1V3KH UN1951 Argon EINECS 231-147-0 MFCD00003431 |
| Density | 1.784（0℃） |
|---|---|
| Boiling Point | -185.7 °C(lit.) |
| Melting Point | -189.2 °C(lit.) |
| Molecular Formula | Ar |
| Molecular Weight | 39.94800 |
| Exact Mass | 39.96240 |
| Vapour density | 1.38 (21 °C, vs air) |
| Stability | Stable. Inert. |
CHEMICAL IDENTIFICATION
|
| Safety Phrases | S38 |
|---|---|
| RIDADR | UN 1006 2.2 |
| WGK Germany | - |
| RTECS | CF2300000 |
| Hazard Class | 2.2 |
| HS Code | 2804210000 |
| HS Code | 2804210000 |
|---|