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295116

Sigma-Aldrich

Carbon monoxide

≥99.0%

Synonym(s):

Carbon oxide (CO)

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About This Item

Empirical Formula (Hill Notation):
CO
CAS Number:
630-08-0
Molecular Weight:
28.01
Beilstein/REAXYS Number:
3587264
EC Number:
211-128-3
MDL number:
MFCD00011320
UNSPSC Code:
12142100
PubChem Substance ID:
24857760
NACRES:
NA.22

vapor density

0.97 (vs air)

assay

≥99.0%

autoignition temp.

1128 °F

expl. lim.

74 %

bp

−191.5 °C (lit.)

mp

−205 °C (lit.)

SMILES string

[C-]#[O+]

InChI

1S/CO/c1-2

InChI key

UGFAIRIUMAVXCW-UHFFFAOYSA-N

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General description

Carbon monoxide is a versatile building block used in carbonylation reactions and to prepare single-walled carbon nanotubes.

Application

Carbon monoxide can be used in the following applications:
  • Transition-metal-catalyzed carbonylation reactions.
  • Insertion of carbon monoxide in metal-carbon bonds during copolymerization reactions.
  • To grow single-wall carbon nanotubes (SWNT) via disproportionation reaction catalyzed by molybdenum particles.

Catalytic hydrogenation of carbon monoxide over transition metals catalysts to form hydrocarbons has been reported.

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

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Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Flam. Gas 1A - Press. Gas Compr. Gas - Repr. 1A - STOT RE 1 Inhalation

target_organs

Heart

Storage Class

2A - Gases

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, 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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Giuseppe Lippi et al.
Clinical biochemistry, 45(16-17), 1278-1285 (2012-06-19)
The toxicity of carbon monoxide has been recognized for long throughout history and is unquestionably the leading cause of unintentional poisoning deaths in the Western countries. The severity of poisoning is dependent upon environmental and human factor. The leading pathophysiological
Sinisa Stanic et al.
International journal of radiation oncology, biology, physics, 88(5), 1092-1099 (2014-03-26)
To investigate pulmonary function test (PFT) results and arterial blood gas changes (complete PFT) following stereotactic body radiation therapy (SBRT) and to see whether baseline PFT correlates with lung toxicity and overall survival in medically inoperable patients receiving SBRT for
Jukka-Pekka Jalkanen et al.
Ambio, 43(3), 311-324 (2013-03-13)
This study addresses the exhaust emissions of CO₂, NO(x), SO(x), CO, and PM(2.5) originated from Baltic Sea shipping in 2006-2009. Numerical results have been computed using the Ship Traffic Emissions Assessment Model. This model is based on the messages of
Single-wall nanotubes produced by metal-catalyzed disproportionation of carbon monoxide.
Dai H, et al.
Chemical Physics Letters, 260(3-4), 471-475 (1996)
Kenneth R Olson et al.
Respiratory physiology & neurobiology, 184(2), 117-129 (2012-05-02)
The concept that non-respiratory gases, such as nitric oxide (NO), carbon monoxide (CO) and hydrogen sulfide (H(2)S) functioned as signaling moieties is a relatively recent development, due in part to their ephemeral existence in biological tissues. However, from an evolutionary
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