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735973

Sigma-Aldrich

N,N′-Dimethyl N,N′-di(4-pyridinyl)thiuram disulfide

Sinónimos:

Bis[methyl-(4-pyridinyl)thiocarbamoyl] disulfide, Bis[methyl-(4-pyridinyl)thiocarbamyl] disulfide

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About This Item

Fórmula empírica (notación de Hill):
C14H14N4S4
Número de CAS:
1158958-94-1
Peso molecular:
366.55
MDL number:
MFCD19687019
UNSPSC Code:
12352100
PubChem Substance ID:
329765072
NACRES:
NA.23

form

solid

mp

118-128 °C

SMILES string

CN(C(=S)SSC(=S)N(C)c1ccncc1)c2ccncc2

InChI

1S/C14H14N4S4/c1-17(11-3-7-15-8-4-11)13(19)21-22-14(20)18(2)12-5-9-16-10-6-12/h3-10H,1-2H3

InChI key

PVZGPMRTEJHLMS-UHFFFAOYSA-N

Categorías relacionadas

General description

Precursor for the synthesis of novel switchable RAFT agents for controlled radical polymerization. Chain Transfer Agent (CTA)

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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RAFT Agent Design and Synthesis
Keddie, D. J.; et al.
Macromolecules, 45, 5321-5342 (2012)
Massimo Benaglia et al.
Journal of the American Chemical Society, 131(20), 6914-6915 (2009-05-01)
The polymerization of most monomers that are polymerizable by radical polymerization can be controlled by the reversible addition-fragmentation chain transfer (RAFT) process. However, it is usually required that the RAFT agent be selected according to the types of monomer being

Artículos

Universal (Switchable) RAFT Agents for Well-Defined Block Copolymers

Universal (Switchable) RAFT agents allow for the polymerization of both less activated and more activated monomers and are ideal for the synthesis of well-defined block copolymers.

Evaluation of RAFT Agents

A series of polymerization were carried out using RAFT agents and monomers yielding well-defined polymers with narrow molecular weight distributions. The process allows radical-initiated growing polymer chains to degeneratively transfer reactivity from one to another through the use of key functional groups (dithioesters, trithiocarbonates, xanthates and dithiocarbamates). RAFT agents help to minimize out-of-control growth and prevent unwanted termination events from occurring, effectively controlling polymer properties like molecular weight and polydispersity. RAFT agents are commercially available. RAFT does not use any cytotoxic heavy metal components (unlike ATRP).

A Micro Review of Reversible Addition/Fragmentation Chain Transfer (RAFT) Polymerization

We presents an article about a micro review of reversible addition/fragmentation chain transfer (RAFT) polymerization. RAFT (Reversible Addition/Fragmentation Chain Transfer) polymerization is a reversible deactivation radical polymerization (RDRP) and one of the more versatile methods for providing living characteristics to radical polymerization.

Tools for Performing ATRP

Tools for Performing ATRP

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Protocolos

Typical Procedures for Polymerizing via RAFT

We presents an article featuring procedures that describe polymerization of methyl methacrylate and vinyl acetate homopolymers and a block copolymer as performed by researchers at CSIRO.

Concepts and Tools for RAFT Polymerization

Sigma-Aldrich presents an article about RAFT, or Reversible Addition/Fragmentation Chain Transfer, which is a form of living radical polymerization.

Typical Procedures for Polymerizing via ATRP

Sigma-Aldrich presents an article about the typical procedures for polymerizing via ATRP, which demonstrates that in the following two procedures describe two ATRP polymerization reactions as performed by Prof. Dave Hadddleton′s research group at the University of Warwick.

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