67778
Methanethiol
Synonym(s):
Mercaptan C1, Methyl mercaptan
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About This Item
Linear Formula:
CH3SH
CAS Number:
Molecular Weight:
48.11
Beilstein:
1696840
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
vapor density
1.66 (vs air)
Quality Level
vapor pressure
1536 mmHg ( 20 °C)
expl. lim.
21.8 %
bp
6 °C (lit.)
mp
−123 °C (lit.)
functional group
thiol
storage temp.
2-8°C
SMILES string
CS
InChI
1S/CH4S/c1-2/h2H,1H3
InChI key
LSDPWZHWYPCBBB-UHFFFAOYSA-N
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Packaging
pressure tin with 25 mL (net 22 g)
Other Notes
Sales restrictions may apply
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Gas 1A - Press. Gas Liquefied gas
Storage Class Code
2A - Gases
WGK
WGK 3
Flash Point(F)
-0.4 °F - closed cup
Flash Point(C)
-18 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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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
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
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
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
Toru Takeshita et al.
Scientific reports, 2, 215-215 (2012-02-23)
Both hydrogen sulfide (H2S) and methyl mercaptan (CH(3)SH) are frequently detected in large amounts in malodorous mouth air. We investigated the bacterial composition of saliva of 30 subjects with severe oral malodor exhibiting extreme CH(3)SH/H(2)S ratios (high H(2)S but low
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