Tetraisopropylthiuram disulfide
Tetraisopropylthiuram disulfide (CAS 4136-91-8) is a sulfur-containing organic compound with the linear formula ([(CH3)2CH]2NC(S)S]2 and a molecular weight of 352.65 g/mol. It is primarily utilised in chemical synthesis as a versatile building block. Its applications include the incorporation of thiol equivalents into heterocyclic compounds and the preparation of unsymmetrical sulfides. It has also been investigated for its potential in the extraction of silver (I) from photographic fixing solutions.
- IUPAC
- Bis(diisopropylthiocarbamoyl) disulfide
![Tetraisopropylthiuram disulfide (([(CH3)2CH]2NC((S)S]2) — chemical structure, CAS 4136-91-8; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F4136-91-8.png&w=3840&q=75)
Thiol Equivalent Incorporation
Tetraisopropylthiuram disulfide serves as a reagent for introducing a thiol equivalent into heterocyclic compounds. This is achieved through its reaction with suitably lithiated heterocycles, facilitating the synthesis of complex organic structures.
Unsymmetrical Sulfide Preparation
This compound is employed in the synthesis of unsymmetrical sulfides. Its reactivity allows for controlled formation of C-S bonds, contributing to the preparation of specialised sulfur-containing organic molecules.
Silver (I) Extraction
Research has indicated the use of Tetraisopropylthiuram disulfide as an extractant for silver (I). This application has been explored in the context of recovering silver from spent photographic fixing solutions.
| Molecular weight | 352.65 |
|---|---|
| Linear formula | ([(CH3)2CH]2NC((S)S]2 |
| Assay | 98% |
| Solubility | chloroform: soluble2.5%, clear, yellow |
| Application | Tetraisopropylthiuram disulphide has been used:• for incorporation of a thiol equivalent into heterocyclic compounds, by reaction with appropriate lithiated heterocycle1• in preparation of unsymmetrical sulfides1• as extractant for silver (I) extraction from photographic fixing solution2 |
| Melting point | 115-117 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What are the primary uses of Tetraisopropylthiuram disulfide?
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Tetraisopropylthiuram disulfide is used in chemical synthesis for incorporating thiol equivalents into heterocyclic compounds, in the preparation of unsymmetrical sulfides, and has been studied for silver (I) extraction.
What is the CAS number and formula for Tetraisopropylthiuram disulfide?
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The CAS number is 4136-91-8, and its linear formula is ([(CH3)2CH]2NC(S)S]2.
What grade and purity does Tech Serve Solutions supply for Tetraisopropylthiuram disulfide?
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Tech Serve Solutions supplies Tetraisopropylthiuram disulfide with an assay of 98%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade and is intended for research and chemical synthesis purposes.
What are the safety considerations for handling Tetraisopropylthiuram disulfide?
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Tetraisopropylthiuram disulfide is classified with a Warning signal word and has hazard statements including H302, H312, H315, H319, H332, and H335. Appropriate personal protective equipment, such as a dust mask (type N95), eyeshields, and gloves, should be used. Handle in a well-ventilated area.
Is Tetraisopropylthiuram disulfide exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Tetraisopropylthiuram disulfide.
How can I request a quote or sample for Tetraisopropylthiuram disulfide?
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Please contact our sales team through the website or by phone to request a quote or to arrange for a sample of Tetraisopropylthiuram disulfide.
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