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Merck
CN

295582

Nitrogen dioxide

≥99.5%

Synonym(s):

Dinitrogen tetroxide, Nitrogen peroxide, Nitrogen tetroxide

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About This Item

Empirical Formula (Hill Notation):
NO2
CAS Number:
Molecular Weight:
46.01
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12142100
EC Number:
233-272-6
MDL number:
Assay:
≥99.5%
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vapor density

1.58 (21 °C, vs air)

Quality Level

vapor pressure

14.33 psi ( 20 °C)

assay

≥99.5%

bp

21 °C (lit.)

mp

−11 °C (lit.)

density

2.62 g/mL at 25 °C (lit.)

SMILES string

[O-][N+]=O

InChI

1S/NO2/c2-1-3

InChI key

JCXJVPUVTGWSNB-UHFFFAOYSA-N

Other Notes

Stainless steel control valves Z146951, Z187224 or either of stainless steel regulators Z148504 and Z148512 and a "T"-purge valve Z151661 is recommended.


signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Eye Dam. 1 - Ox. Gas 1 - Press. Gas Liquefied gas - Skin Corr. 1B

Storage Class

2A - Gases

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, multi-purpose combination respirator cartridge (US)

Regulatory Information

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Narjes Madhloum et al.
Environment international, 130, 104853-104853 (2019-06-22)
Elevated blood pressure (BP) in early life may lead to cardiovascular morbidity and mortality in later life. Air pollution exposure has been associated with increased BP in adults and children, but the contribution of prenatal air pollution exposure has rarely
Martin Kraft et al.
International journal of hygiene and environmental health, 208(4), 305-318 (2005-08-05)
The presented overview concerning health relevant effects caused by nitrogen dioxide (NO2) resumes the current state of results from animal experiments and human studies (epidemiology and short-term chambers studies). NO2 concentrations applied in animal experiments were mostly considerably higher than
Takahiro Nakamura et al.
Environmental health and preventive medicine, 25(1), 8-8 (2020-03-07)
Studies on the adverse effects of Asian dust (AD) on respiratory function in children are scarce. The objective of this study was to examine the association between AD and respiratory function by measuring peak expiratory flow rates (PEFRs) in asthmatic



Global Trade Item Number

SKUGTIN
295582-400G04061833546239