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Merck
CN

295124

Carbonyl sulfide

≥97.5%

Synonym(s):

Carbon oxysulfide

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About This Item

Linear Formula:
COS
CAS Number:
Molecular Weight:
60.08
UNSPSC Code:
12142100
PubChem Substance ID:
EC Number:
207-340-0
MDL number:
Assay:
≥97.5%
Form:
gas
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InChI key

JJWKPURADFRFRB-UHFFFAOYSA-N

InChI

1S/COS/c2-1-3

SMILES string

O=C=S

vapor density

2.1 (20 °C, vs air)

vapor pressure

9034 mmHg ( 21 °C)

assay

≥97.5%

form

gas

expl. lim.

11.9-29 %

bp

−50 °C (lit.)

mp

−138 °C (lit.)

Quality Level

Other Notes

For 295124-300G-EU packaging: 500 mL of aluminium cylinder equipped with brass valve.
For 295124-300G-EU: outlet fitting: DIN 477-1 no. 1, Z742160 or Z742161 are the recommended regulators.

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Eye Irrit. 2 - Flam. Gas 1B - Press. Gas Liquefied gas - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

2A - Gases

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

监管及禁止进口产品
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Linda M J Kooijmans et al.
Proceedings of the National Academy of Sciences of the United States of America, 116(7), 2470-2475 (2019-01-27)
Understanding climate controls on gross primary productivity (GPP) is crucial for accurate projections of the future land carbon cycle. Major uncertainties exist due to the challenge in separating GPP and respiration from observations of the carbon dioxide (CO2) flux. Carbonyl
Mojtaba Rezaei et al.
The journal of physical chemistry. A, 115(38), 10416-10422 (2011-08-25)
Infrared spectra of the C(2)H(2)-(OCS)(2) trimer are studied by means of direct infrared absorption spectroscopy. The van der Waals complexes are generated in a supersonic slit-jet apparatus and probed using a rapid-scan tunable diode laser in the region of the
Keren Stimler et al.
Plant physiology, 158(1), 524-530 (2011-11-23)
The potential use of carbonyl sulfide (COS) as tracer of CO(2) flux into the land biosphere stimulated research on COS interactions with leaves during gas exchange. We carried out leaf gas-exchange measurements of COS and CO(2) in 22 plant species
Andrew R Bartholomaeus et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 43(12), 1687-1701 (2005-09-06)
Carbonyl sulfide (COS) is a new grain fumigant which has been developed to replace methyl bromide, being phased out due to its ozone depletion properties, and to supplement phosphine gas which is experiencing increased insect resistance. Treatment of commodities with
Xueqian Wang et al.
Journal of hazardous materials, 229-230, 128-136 (2012-06-19)
Activated carbon modified with different impregnants has been studied for COS removal efficiency under micro-oxygen conditions. Activated carbon modified with Cu(NO(3))(2)-CoPcS-KOH (denoted as Cu-Co-KW) is found to have markedly enhanced adsorption purification ability. In the adsorption purification process, the reaction

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