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Description

Dimethyl disulfide, also called DMDS, is a colourless oily liquid that has a distinctive smell, which is used as an agrochemical and food additive. Methanol (CH3S2), it is converted to DMDS when the hydrogens in one of the hydrogen atoms have been substituted with methyldisulfanyl (CH3S2-) groups.

 

In its natural state, it forms part of the global sulphur cycle.

Applications

It is mainly used in the refinery industry as a sulphur agent to improve the efficiency of olefin furnaces, reduce catalyst consumption, and to increase the rate of thermal cracking and facilitate the conversion of hydrocarbons, as well as to prevent the occurrence of coking on the inner surfaces of reactor coils.

Packaging

Container type

Container type

Container type

IBC 20"

19080

20160

IBC 40"

24380

25760

Drums palletised in 20"

17732

19230

Drums palletised in 40"

23926

25681

ISO Tank

25000

Pictograms

DMDS

IBC 20"

19080

IBC 20"

19080

DMDS

IBC 20"

19080

IBC 20"

19080

DMDS

IBC 20"

19080

IBC 20"

19080

IBC 20"

19080

IBC 20"

19080

IBC 20"

19080

IBC 20"

19080

IBC 20"

19080

IBC 20"

19080

DMDS

IBC 20"

n, εr, etc. Phase behaviour

IBC 20"

19080

IBC 20"

19080

DMDS

IBC 20"

19080

IBC 20"

19080

IBC 20"

19080

IBC 20"

19080

Pentane - SDS

Pentane - TDS

Pentane

Name

Pentane

Other names

n -Pentane

Identity

CAS number

109-66-0

SMILES

CCCCC

Specifications & Properties

Molecular formula

C5H12

Molar mass

72.151 g/mol

Appearance

Colorless to almost colourless clear liquid

Density

0.626 g/cm, liquid

Melting point

-129 °C

Boiling point

36°C

Solubility in water

Soluble

Viscosity

0.2224 cps

Supplementary data

Structure and properties

n, εr, etc. Phase behaviour

Thermodynamic data

Solid, liquid, gas

Spectral data

UV, IR, NMR, MS

Hazzards

Flashpoint

- 49 °C

Flashpoint

- 49 °C

Flashpoint

- 49 °C

Flashpoint

- 49 °C