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He

Name: He
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He

CAS No.: 7440-59-7
EINECS No.: 231-168-5
UN No.: 1963
Molecular weight: 4.0026
Appearance: Colorless, Odorless
Melting point: -272.2 ℃
Boiling point: -268.60 ℃
DOT Class: 2.2
Label: Non-flammable gas

He

Product Description

Packing Specifications

Type of Cylinder		Content	Pressure
Capacity	Valve	Capacity	Bar	PSIG
40L	CGA580	5m³	150	2175
47L	CGA580	7m³	150	2175
50L	CGA580	10m³	200	2900

High Purity He 99.999%

Specification	99.999%
N₂	≤ 2.0 ppm
O₂+Ar	≤ 1.0 ppm
H₂	≤ 1.0 ppm
CO	≤ 0.5 ppm
CO₂	≤ 0.5 ppm
Ne	≤ 1.0 ppm
CH₄	≤ 0.5 ppm
Moisture	≤ 0.5 ppm