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Helium

Catalog No. 295345 Name Sigma Aldrich
CAS Number 7440-59-7 Website http://www.sigmaaldrich.com
M. F. He Telephone 1-800-521-8956
M. W. 4.002602 Fax
Purity ≥99.995% Email
Storage Chembase ID: 136909

SYNONYMS

IUPAC name
helium
IUPAC Traditional name
helium

DATABASE IDS

CAS Number 7440-59-7
EC Number 231-168-5
MDL Number MFCD00011031
PubChem SID 24857776

PROPERTIES

Empirical Formula (Hill Notation) He
Impurities ≤5 ppm oxygen
Impurities ≤5 ppm water
Purity ≥99.995%
Boiling Point -268.934 °C(lit.)
Boiling Point -268.9 °C(lit.)
Melting Point -272.2 °C(lit.)
Vapor Density 0.14 (vs air)
GHS Pictograms GHS04
GHS Signal Word Warning
GHS Hazard statements H280
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
GHS Precautionary statements P410 + P403
RID/ADR UN 1046 2.2
RTECS MH6520000
Hazard Class 2.2
UN Number 1046
German water hazard class 3

DETAILS

Description (English)
Packaging
56 L in steel cylinder
Recommended products
Brass control valve Z146943 or either of brass regulators Z146706 and Z146714 is recommended.
Description (简体中文)
包装
56 L in steel cylinder
Recommended products
推荐使用铜质控制阀 Z146943 或铜质调节器 Z146706 和 Z146714 中的任意一种。

REFERENCES