HELIUM CAS#: 7440-59-7; ChemWhat Code: 18006
Names & Identifiers |
| Product Name | HELIUM |
| Synonyms | HELIUM;HYDROGEN AND HELIUM;HYDROGEN-HELIUM;LEAK DETECTION STANDARD LD-3;atomichelium;He;helium,compressed;Helium,highpurity |
| CAS Registry Number | 7440-59-7 |
| Molecular Formula | He |
| Molecular Weight | 4 |
| EINECS | 231-168-5 |
| Other Registry Numbers | ; |
| IUPA Names, InChI, InChI Key, Canonical SMILES, etc.: | IUPA Names, InChI, InChI Key, Canonical SMILES, etc. |
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Chemical & Physical Properties |
| Melting point | -272.2 °C(lit.) |
| Boiling Point | -268.934 °C(lit.) |
| Density | 0.1785（0℃） |
| vapor Density | 0.14 (vs air) |
| Merck | 13,4645 |
| Stability: | Stable; extremely unreactive. |
| More Properties From PubChem | Topological Polar Surface Area, Monoisotopic Mass, etc. |
Safety & Hazards(Codes & Phrases) |
| S Phrase | 9 |
| RIDADR | UN 1046 2.2 |
| WGK Germany | 3 |
| RTECS | MH6520000 |
| F | 4.5-31 |
| Storage Class | 2.2 |
| More Safety & Hazards From PubChem | Signal, GHS Hazard Statements, Precautionary Statement Codes, etc. |
Literature |
| Literature on PubChem | Synthesis References, Metabolite References, etc. |
Patents |
| Patents on PubChem | Related Patents Of This Product |
Transportation, Storage & Usage |
| Transportation | No Information |
| Storage | No Information |
| Usage | No Information |
Spectral Properties |
| No Information |
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