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Helium

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Formula: He
CAS: 7440-59-7
search Element: helium

Identification

Structural Formula
Helium
CAS:
7440-59-7
EINECS:
231-168-5
Molecular Formula:
He
MDL:
Synonym:
helium ; helium(4he) ; chebi:33681 ; he ; helium(0) ; heliumgas ; heliumions ; atomichelium ; p-helium ; o-helium ; helium-4




Suppliers

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ACP Belgium
AB66198
Galco S.A.
GS60180
Linde Gas Belgium N.V
LGBN126630
Messer Belgium NV-SA
MBN120480
L´Air Liquide Belge S.A.
LLBS150750
Chemogas N.V.
CN78234
Praxair Inc.
P72144
Skyrun Industrial Co., Ltd.
SI162486
Leap Labchem Co., Ltd
LL126378
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Helium ULTRAPLUS
Praxair Inc.
P384768
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Praxair Inc.
P6841368
Helium UHP electronic
Praxair Inc.
P7561512

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Properties for Helium

Molecular Weight:
4.0026 g·mol−1
Density:
0.1785 ( 0°C )
Melting point:
-272.2 °C(lit.)
Boiling point:
-268.934 °C(lit.)
Flash point:
none
Solubility:
Soluble in water 0.86 ml/100 ml at 20ºC
Physical Description:
colourless, odourless, refrigerated, liquefied gas
Transport Information:
UN 1046
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Safety & Transport Information

A simple asphyxiant. A nonflammable gas. See ARGON for a description of simple asphyxiants.
Risk Codes:
R9 - Explosive when mixed with combustible material
Safety Codes:
S9 - Keep container in a well-ventilated place
Hazard Classes:
2.2
RID/ADR certification :
UN 1046 2.2
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Alternative Distributors of [Helium]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Air Products Chemicals Europe B.V. | Praxair Espana S.L. | Air Products and Chemicals, Inc. | Air Liquide Electronics U.S. LP

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Downloads

Mol File:
-/-
MSDS:
-/-






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