All Photos(1)
Synonym(s):
Mercaptan C1, Methyl mercaptan
Linear Formula:
CH3SH
CAS Number:
Molecular Weight:
48.11
Beilstein:
1696840
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
vapor density
1.66 (vs air)
Quality Level
vapor pressure
1536 mmHg ( 20 °C)
Assay
≥98.0%
form
gas
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 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.
Recommended products
For 742805-400G-EU: outlet fitting: DIN 477-1 no. 1, Z742162 or Z742164 are the recommended regulators.
regulator
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
WGK
WGK 3
Flash Point(F)
-0.4 °F
Flash Point(C)
-18 °C
Regulatory Information
监管及禁止进口产品
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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??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)
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
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
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