Tetramethylthiuram disulphide, 97%

Name: Tetramethylthiuram disulphide, 97%
Brand: Vaqora Chemicals
SKU: VQ-010983

About Tetramethylthiuram disulphide, 97%

Tetramethylthiuram disulphide (CAS 137-26-8) is an organosulfur compound offered by Vaqora Chemicals in Puriss grade at a purity of ≥97%. With the molecular formula C6H12N2S4, it has a molar mass of 240.4 g/mol. Its systematic (IUPAC) name is dimethylcarbamothioylsulfanyl N,N-dimethylcarbamodithioate. It is also known as Bis(dimethylthiocarbamoyl) disulfide or Bis(dimethylthiocarbamyl) disulfide.

The material typically appears as white to yellow powder or crystals. Key physical data: a melting point of 156-158 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Key uses span rubber compounding and organic synthesis. Buyers come mainly from pharmaceutical manufacturing, academic and industrial research and polymers and plastics.

Standard pack sizes are 5 g, 100 g, 500 g and 2.5 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Rubber compounding
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tetramethylthiuram disulphide, 97%
Catalogue No.	VQ-010983
CAS Number	137-26-8
IUPAC name	dimethylcarbamothioylsulfanyl N,N-dimethylcarbamodithioate
Molecular formula	C₆H₁₂N₂S₄
Molecular weight	240.4 g/mol
Exact mass	239.9883
Grade	Puriss
Purity / assay	≥97%
HSN code	29309099
InChIKey	KUAZQDVKQLNFPE-UHFFFAOYSA-N
SMILES	CN(C)C(=S)SSC(=S)N(C)C
PubChem CID	5455

Physical properties
Physical form	Crystalline
Appearance	White to yellow powder or crystals
Melting point	156-158 °C
LogP (XLogP3)	1.7
H-bond donors / acceptors	0 / 4
TPSA	121 Å²
UN number	UN 3077
Synonyms	Bis(dimethylthiocarbamoyl) disulfide, Bis(dimethylthiocarbamyl) disulfide, Thiram, Tetramethylthiuram disulfide, Pomarsol, Aapirol, Puralin, Tetrathiuram disulfide, Formalsol, Thillate, Fermide, Fernide

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H332Harmful if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P264, P264 + P265, P270, P271, P272, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P391, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Tetramethylthiuram disulphide, 97%?

The CAS Registry Number of Tetramethylthiuram disulphide, 97% is 137-26-8. It is also known as Bis(dimethylthiocarbamoyl) disulfide, Bis(dimethylthiocarbamyl) disulfide, Thiram.

What is the molecular formula and molecular weight of Tetramethylthiuram disulphide, 97%?

Tetramethylthiuram disulphide, 97% has the molecular formula C6H12N2S4 and a molecular weight of 240.4 g/mol. Its IUPAC name is dimethylcarbamothioylsulfanyl N,N-dimethylcarbamodithioate.

Which grade and pack sizes of Tetramethylthiuram disulphide, 97% can I order?

We supply Tetramethylthiuram disulphide, 97% in Puriss (≥97%) grade, in 5 g, 100 g, 500 g, 2.5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tetramethylthiuram disulphide, 97%?

Yes. Every lot of Tetramethylthiuram disulphide, 97% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Tetramethylthiuram disulphide, 97% be shipped internationally?

Yes. Tetramethylthiuram disulphide, 97% is classified as hazardous (UN 3077), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.