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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

Pictograms

Gas cylinder
GHS04

Signal Word

Warning

Hazard Statements

H280

Precautionary Statements

P410 + P403

Hazard Classifications

Press. Gas Compr. Gas

Storage Class Code

2A - Gases

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Ya Yang et al.
Molecular biology and evolution, 32(8), 2001-2014 (2015-04-04)
Many phylogenomic studies based on transcriptomes have been limited to "single-copy" genes due to methodological challenges in homology and orthology inferences. Only a relatively small number of studies have explored analyses beyond reconstructing species relationships. We sampled 69 transcriptomes in
Victoria J Maloney et al.
Journal of experimental botany, 66(14), 4383-4394 (2015-04-16)
Bioinformatic analysis indicates that sucrose phosphate synthase (SPS) contains a putative C-terminal sucrose phosphate phosphatase (SPP)-like domain that may facilitates the binding of SPP. If an SPS-SPP enzyme complex exists, it may provide sucrose biosynthesis with an additional level of
Florence Guida et al.
Human molecular genetics, 24(8), 2349-2359 (2015-01-04)
Several studies have recently identified strong epigenetic signals related to tobacco smoking. However, an aspect that did not receive much attention is the evolution of epigenetic changes with time since smoking cessation. We conducted a series of epigenome-wide association studies
T Jickells et al.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 368(1621), 20130115-20130115 (2013-05-29)
Atmospheric organic nitrogen (ON) appears to be a ubiquitous but poorly understood component of the atmospheric nitrogen deposition flux. Here, we focus on the ON components that dominate deposition and do not consider reactive atmospheric gases containing ON such as
Long-Feng Xu et al.
PloS one, 9(8), e103698-e103698 (2014-08-02)
In South China (Gejiu City, Yunnan Province), lung cancer incidence and associated mortality rate is the most prevalent and observed forms of cancer. Lung cancer in this area is called Gejiu squamous cell lung carcinoma (GSQCLC). Research has demonstrated that
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