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ChemicalBook--->CAS DataBase List--->1618-26-4

1618-26-4

1618-26-4 Structure

1618-26-4 Structure
IdentificationMore
[Name]

Bis(methylthio)methane
[CAS]

1618-26-4
[Synonyms]

2,4-DITHIAPENTANE
BIS(METHYLMERCAPTO)METHANE
BIS(METHYLTHIO)METHANE
DIMETHYLTHIOMETHANE
FEMA 3878
FORMALDEHYDE DIMETHYL MERCAPTAL
METHYLENEBIS(METHYL SULFIDE)
Bis(methylsulfanyl)methane
bis-(methylsulfanyl)-methane
bis(methylthio)methan
bis(methylthio)-methan
CH3SCH2SCH3
Methane, bis(methylthio)-
Thioformaldehyde dimethylthioacetal
BIS(METHYLTHIO)METHANE 99+%
FORMALDEHYDE DIMETHYLMERCAPTAN
Dimethylthiomethane, Formaldehyde dimethyl mercaptal
Formaldehyde dimethyl dithioacetal
Thioformaldehyde dimethyl acetal
[EINECS(EC#)]

216-577-9
[Molecular Formula]

C3H8S2
[MDL Number]

MFCD00008564
[Molecular Weight]

108.23
[MOL File]

1618-26-4.mol
Chemical PropertiesBack Directory
[Appearance]

CLEAR COLOURLESS TO PALE YELLOW LIQUID
[Melting point ]

148 °C
[Boiling point ]

147 °C(lit.)
[density ]

1.059 g/mL at 25 °C(lit.)
[vapor pressure ]

4.679hPa at 20℃
[FEMA ]

3878
[refractive index ]

n20/D 1.53(lit.)
[Fp ]

111 °F
[storage temp. ]

Flammables area
[solubility ]

IMMISCIBLE
[form ]

neat
[color ]

APHA: ≤100
[Specific Gravity]

1.059
[Odor]

at 0.10 % in propylene glycol. garlic sulfurous green spicy mushroom
[biological source]

synthetic
[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]

1618-26-4(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
[RIDADR ]

UN 1993 3/PG 3
[WGK Germany ]

3
[F ]

13
[TSCA ]

Yes
[HazardClass ]

3
[PackingGroup ]

III
[HS Code ]

29309070
Raw materials And Preparation ProductsBack Directory
[Raw materials]

1H-Isoindole-1,3(2H)-dione, 2-[(methylthio)methyl]--->Dibutoxymethane-->MMTS-->Dichloromethane-->Dimethyl sulfoxide-->METHYL MERCAPTAN
[Preparation Products]

Methyl 2-(methylamino)benzoate-->Dichloromaleic anhydride-->S-Methyl methanethiolsulfonate-->Trimethylsulfonium bromide-->CHLOROMETHYL METHYL SULFIDE
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

2,4-Dithiapentane(1618-26-4).msds
Hazard InformationBack Directory
[Chemical Properties]

bis-(Methylthio)methane has a mustard-like odor.
[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.
[Uses]

Bis(methylthio)methane is used in method for reducing odor in room in remodeling work by removing causative substances.
[Definition]

ChEBI: Bis(methylthio)methane is a dithioacetal.
[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.
[Flammability and Explosibility]

Notclassified
[Biological Activity]

Odor at 0.1% PG''Taste at 0.10-0.30 ppm
[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.]
Spectrum DetailBack Directory
[Spectrum Detail]

Bis(methylthio)methane(1618-26-4)MS
Bis(methylthio)methane(1618-26-4)1HNMR
Bis(methylthio)methane(1618-26-4)13CNMR
Bis(methylthio)methane(1618-26-4)IR1
Bis(methylthio)methane(1618-26-4)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Bis(methylthio)methane, 99+%(1618-26-4)
[Alfa Aesar]

Bis(methylthio)methane, 99%(1618-26-4)
[Sigma Aldrich]

1618-26-4(sigmaaldrich)
[TCI AMERICA]

Bis(methylthio)methane,>98.0%(GC)(1618-26-4)
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