742805
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
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
200-822-1
Beilstein/REAXYS Number:
1696840
MDL number:
Assay:
≥98.0%
Form:
gas
InChI key
LSDPWZHWYPCBBB-UHFFFAOYSA-N
InChI
1S/CH4S/c1-2/h2H,1H3
SMILES string
CS
vapor density
1.66 (vs air)
vapor pressure
1536 mmHg ( 20 °C)
assay
≥98.0%
form
gas
expl. lim.
21.8 %
Quality Level
functional group
thiol
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Application
Methanethiol may be used in the synthesis of 1,3-bis(methylthio)-2-propanol from epichlorohydrin. It can undergo steam reforming over cerium oxide to form hydrogen-rich gases (hydrogen, carbon monoxide and carbon dioxide).
Packaging
500ml high pressure aluminum cylinder equipped with a stainless steel valve according to DIN 477-1.
Other Notes
For 742805-400G-EU packaging: 1000 mL of aluminium cylinder equipped with stainless steel valve.
For 742805-400G-EU: outlet fitting: DIN 477-1 no. 1, Z742162 or Z742164 are the recommended regulators.
signalword
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
WGK 3
flash_point_f
-0.4 °F - closed cup
flash_point_c
-18 °C - closed cup
Regulatory Information
监管及禁止进口产品
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??Hydroxy??, ??Unsaturated Aldehydes via 1, 3?Bis (Methylthio) Allyllithium: trans?4?Hydroxy?2?Hexenal.
Erickson BW
Organic Syntheses, 19-19 (1974)
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
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
Raquel Lebrero et al.
Bioresource technology, 109, 38-45 (2012-02-09)
The performance and microbiology of a biotrickling filter (BTF) treating methyl mercaptan, toluene, alpha-pinene and hexane at the mg m(-3) level was studied at empty bed residence times (EBRT) of 50, 30, 11 and 7 s. Removal efficiencies (REs) higher
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