Introduction：Basic information about CAS 7440-37-1|Argon, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Argon |
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| CAS Number | 7440-37-1 | Molecular Weight | 39.94800 |
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| Density | 1.784（0℃） | Boiling Point | -185.7 °C(lit.) |
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| Molecular Formula | Ar | Melting Point | -189.2 °C(lit.) |
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| MSDS | USA | Flash Point | / |
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Names
| Name | argon atom |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.784（0℃） |
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| Boiling Point | -185.7 °C(lit.) |
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| Melting Point | -189.2 °C(lit.) |
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| Molecular Formula | Ar |
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| Molecular Weight | 39.94800 |
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| Exact Mass | 39.96240 |
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| Vapour density | 1.38 (21 °C, vs air) |
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| InChIKey | XKRFYHLGVUSROY-UHFFFAOYSA-N |
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| SMILES | [Ar] |
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| Stability | Stable. Inert. |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- CF2300000
- CHEMICAL NAME :
- Argon
- CAS REGISTRY NUMBER :
- 7440-37-1
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 16
- MOLECULAR FORMULA :
- Ar
- MOLECULAR WEIGHT :
- 39.95
- WISWESSER LINE NOTATION :
- .AR
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Safety Information
| Safety Phrases | S38 |
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| RIDADR | UN 1006 2.2 |
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| WGK Germany | - |
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| RTECS | CF2300000 |
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| Hazard Class | 2.2 |
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| HS Code | 2804210000 |
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Customs
Synonyms
| UN1006 |
| UNII-67XQY1V3KH |
| UN1951 |
| Argon |
| EINECS 231-147-0 |
| MFCD00003431 |
