295515
Methanethiol
98.0%
Synonym(s):
Mercaptan C1, Methyl mercaptan
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About This Item
Linear Formula:
CH3SH
CAS Number:
Molecular Weight:
48.11
Beilstein/REAXYS Number:
1696840
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22
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vapor density
1.66 (vs air)
Quality Level
vapor pressure
1536 mmHg ( 20 °C)
assay
98.0%
expl. lim.
21.8 %
bp
6 °C (lit.)
mp
−123 °C (lit.)
SMILES string
CS
InChI
1S/CH4S/c1-2/h2H,1H3
InChI key
LSDPWZHWYPCBBB-UHFFFAOYSA-N
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Application
Methanethiol (Methyl mercaptan) may undergo steam reforming to hydrogen-rich gas over cerium oxide-coated rhodium/aluminum oxide catalyst via the solid-gas reaction under certain operating conditions. This process has potential application in toxic-waste treatment such as removal of methanethiol present in industrial-waste off-gas.[1]
Recommended products
Z148504/Z148512 CGA 180 Regulators OR Z146951 CGA 110 Valve with Z147095 CGA 110 to CGA 180 adapter and Z146986 washer. Also recommended Z562610 Lecture bottle station.
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Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Gas 1A - Press. Gas Liquefied gas
Storage Class
2A - Gases
wgk_germany
WGK 3
flash_point_f
-0.4 °F - closed cup
flash_point_c
-18 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
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Conversion of poisonous methanethiol to hydrogen-rich gas by chemisorption/reforming over nano-scale CeO2: The use of CeO2 as catalyst coating material.
Laosiripojana N
Applied Catalysis. B, Environmental, 102(1-2), 267-275 (2011)
K Yaegaki et al.
Journal of periodontal research, 27(4 Pt 1), 233-238 (1992-07-01)
Volatile sulfur compounds (VSC) in mouth air were estimated by gas chromatography. The amount of VSC and the methyl mercaptan/hydrogen sulfide ratio were significantly increased in patients with periodontal disease. These two parameters also increased in proportion to the bleeding
Ari Zeida et al.
Chemical research in toxicology, 25(3), 741-746 (2012-02-07)
The oxidation of cellular thiol-containing compounds, such as glutathione and protein Cys residues, is considered to play an important role in many biological processes. Among possible oxidants, hydrogen peroxide (H(2)O(2)) is known to be produced in many cell types as
Govindan Muthuraman et al.
Journal of hazardous materials, 193, 257-263 (2011-08-16)
In this study, an electrocatalytic wet scrubbing process was developed for the simultaneous removal of synthetic odorous gases namely, methyl mercaptan (CH(3)SH) and hydrogen sulfide (H(2)S). The initial process consists of the absorption of CH(3)SH and H(2)S gases by an
N J Hayward et al.
Journal of clinical microbiology, 6(3), 195-201 (1977-09-01)
Proteus mirabilis was distinguishable from Escherichia coli and from several other species that may be associated with urinary tract infections when grown in a nutrient medium supplemented with 0.1 M L-methionine by the formation of large amounts of dimethyl disulfide
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