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Sigma-Aldrich

Nitrogen

≥99.998%

Synonym(s):

Nitrogen gas

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About This Item

Empirical Formula (Hill Notation):
N2
CAS Number:
7727-37-9
Molecular Weight:
28.01
EC Number:
231-783-9
MDL number:
MFCD00011416
UNSPSC Code:
12142100
PubChem Substance ID:
24857796
NACRES:
NA.22

agency

suitable for DIN 38407-42

vapor density

0.97 (vs air)

assay

≥99.998%

impurities

≤3 ppm water
≤5 ppm oxygen

bp

−196 °C (lit.)

mp

−210 °C (lit.)

SMILES string

N#N

InChI

1S/N2/c1-2

InChI key

IJGRMHOSHXDMSA-UHFFFAOYSA-N

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Packaging

Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed.

Compatible with the following:
  • Aldrich® lecture-bottle station systems
  • Aldrich® lecture-bottle gas regulators

Other Notes

See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation

Legal Information

Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Control valve

Product No.
Description
Pricing

Purge valve

Product No.
Description
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Regulator

Product No.
Description
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pictograms

Gas cylinder
GHS04

signalword

Warning

hcodes

H280

Hazard Classifications

Press. Gas Compr. Gas

Storage Class

2A - Gases

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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