Names | |
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Preferred IUPAC name
N1,N1,N3,N3-Tetramethyl-1,2,3-trithiodicarbonic diamide | |
Other names
N,N,N′,N′-Tetramethylthiuram monosulfide
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Identifiers | |
ECHA InfoCard | 100.002.369 |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C6H12N2S3 | |
Molar mass | 208.36 g·mol−1 |
Density | 1.39 |
Melting point | 107 °C (225 °F; 380 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Tetramethylthiuram sulfide is an organosulfur compound with the formula ((CH3)2NCS)2S. It is a yellow solid that is soluble in organic solvents. It is the parent member of a large class of tetraalkylthiuram sulfides.[1] It is used as an activator in the sulfur vulcanization of natural and butyl rubbers.[2]
It is prepared by desulfuration of tetramethylthiuram disulfides with triphenylphosphine or cyanide:
According to X-ray crystallography, the molecule consists of two planar (CH3)2NCS subunits joined by a sulfide. The dihedral angle between the subunits is close to 90°.[3]