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Bis(methylthio)methane

Bis(methylthio)methane Structure
CAS No.
1618-26-4
Chemical Name:
Bis(methylthio)methane
Synonyms
2,4-DITHIAPENTANE;FEMA 3878;Bis(methyL;CH3SCH2SCH3;thio)methane;truffle sulfide;DIMETHYLTHIOMETHANE;bis(methylthio)methan;bis(methylthio)-methan;BIS(METHYLTHIO)METHANE
CBNumber:
CB0675318
Molecular Formula:
C3H8S2
Molecular Weight:
108.23
MOL File:
1618-26-4.mol
MSDS File:
SDS
Modify Date:
2024/6/4 15:29:52

Bis(methylthio)methane Properties

Melting point 148 °C
Boiling point 147 °C(lit.)
Density 1.059 g/mL at 25 °C(lit.)
vapor pressure 4.679hPa at 20℃
refractive index n20/D 1.53(lit.)
FEMA 3878 | BIS-(METHYLTHIO)METHANE
Flash point 111 °F
storage temp. Inert atmosphere,2-8°C
solubility IMMISCIBLE
color APHA: ≤100
Specific Gravity 1.059
Odor at 0.10 % in propylene glycol. garlic sulfurous green spicy mushroom
Odor Type sulfurous
Water Solubility IMMISCIBLE
JECFA Number 533
Merck 14,1256
BRN 1731143
LogP 2.31 at 20℃
CAS DataBase Reference 1618-26-4(CAS DataBase Reference)
NIST Chemistry Reference 2,4-Dithiapentane(1618-26-4)
EPA Substance Registry System Methane, bis(methylthio)- (1618-26-4)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS02,GHS07
Signal word  Warning
Hazard statements  H226-H315-H319-H412
Precautionary statements  P210-P233-P240-P273-P303+P361+P353-P305+P351+P338
Hazard Codes  Xi
Risk Statements  10-36/37/38
Safety Statements  16-26-36/37/39
RIDADR  UN 1993 3/PG 3
WGK Germany  3
13
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29309070
NFPA 704
2
1 0

Bis(methylthio)methane price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) W387800 Bis(methylthio)methane ≥99%, FG 1618-26-4 1SAMPLE-K ₹4990.33 2022-06-14 Buy
Sigma-Aldrich(India) W387800 Bis(methylthio)methane ≥99%, FG 1618-26-4 100G ₹12481.23 2022-06-14 Buy
Sigma-Aldrich(India) W387800 Bis(methylthio)methane ≥99%, FG 1618-26-4 1KG ₹51494.53 2022-06-14 Buy
Sigma-Aldrich(India) W387800 Bis(methylthio)methane ≥99%, FG 1618-26-4 2.5KG ₹95487.33 2022-06-14 Buy
Sigma-Aldrich(India) 226335 Bis(methylthio)methane 99% 1618-26-4 25G ₹4449.08 2022-06-14 Buy
Product number Packaging Price Buy
W387800 1SAMPLE-K ₹4990.33 Buy
W387800 100G ₹12481.23 Buy
W387800 1KG ₹51494.53 Buy
W387800 2.5KG ₹95487.33 Buy
226335 25G ₹4449.08 Buy

Bis(methylthio)methane Chemical Properties,Uses,Production

Chemical Properties

CLEAR COLOURLESS TO PALE YELLOW LIQUID

Occurrence

Reported found in Camembert and Gruyere cheeses, milk, fish oil, cooked and canned beef, shitake mushroom, truffle, prawn and lobster.

General Description

The liquid structure of bis(methylthio)methane at room temperature was studied by the bonding and non-bonding interatomic potential functions (FMP-RMC) simulation.

Purification Methods

Work in an efficient fume cupboard as the substance may contain traces (or more) of methylmercaptan which has a very bad odour. Dissolve the mercaptal in Et2O, shake it with aqueous alkalis then dry it over anhydrous K2CO3, filter and distil it over K2CO3 under a stream of N2. If the odour is very strong, then allow all gas efluents to bubble through 5% aqueous NaOH solution which is then treated with dilute KMnO4 in order to oxidise MeSH to odourless products. UV: max 238 nm (log 2.73) [Fehnel & Carmack J Am Chem Soc 71 90 1949, Fehér & Vogelbruch Chem Ber 91 996 1958, B.hme & Marz Chem Ber 74 1672 1941]. Oxidation with aqueous KMnO4 yields bis-(methylsulfonyl)methane which has m 142-143o [Fiecchi et al. Tetrahedron Lett 1681 1967]. [Beilstein 1 IV 3088.]

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FORMALDEHYDE DIMETHYL MERCAPTAL DIMETHYLTHIOMETHANE BIS(METHYLMERCAPTO)METHANE BIS(METHYLTHIO)METHANE METHYLENEBIS(METHYL SULFIDE) FORMALDEHYDE DIMETHYLMERCAPTAN Dimethylthiomethane, Formaldehyde dimethyl mercaptal Bis(methylsulfanyl)methane bis-(methylsulfanyl)-methane bis(methylthio)methan bis(methylthio)-methan CH3SCH2SCH3 Methane, bis(methylthio)- Thioformaldehyde dimethylthioacetal BIS(METHYLTHIO)METHANE 99+% Bis(methylthio)methane,Dimethylthiomethane, Formaldehyde dimethyl mercaptal Bis(Methylthio)Methane, 99+% 25ML Bis(methylmercapto)methane Formaldehyde Dimethyl Mercaptal Methylenebis(methyl Sulfide) Formaldehyde dimethyl dithioacetal Thioformaldehyde dimethyl acetal Bis(methyL thio)methane Bis(methylthio)methane > 2,4-DITHIAPENTANE /Bis(methylthio)methane 99% Bis(methylthio)methane USP/EP/BP truffle sulfide factories direct supplier Bis(methylthio)methane CAS 1618-26-4 TIANFU-CHEM Bis(methylthio)methane FEMA 3878 2,4-DITHIAPENTANE 4-Methoxyphenylacetone 122-84-9 Bis(methylthio)methane, ≥ 98.0% 1618-26-4 9005-53-3 Building Blocks Organic Building Blocks Sulfides/Disulfides Sulfur Compounds Building Blocks Chemical Synthesis Organic Building Blocks Sulfides/Disulfides Sulfur Compounds sulfide Flavor Industrial/Fine Chemicals