Di-tert-butyl disulfide
Di-tert-butyl disulfide (CAS: 110-06-5) is an organosulfur compound with the linear formula (CH 3 )<sub>3</sub>CSSC(CH 3 )<sub>3</sub> and a molecular weight of 178.36 g/mol. This disulfide is primarily utilised as a building block in chemical synthesis and in organic chemistry research. It has been specifically noted for its application in preparing gold-supported thin films through self-assembled monolayers of disulphide adsorbates.
- IUPAC
- tert-Butyl disulfide
- Synonyms
- tert-Butyl disulfide

Thin Film Preparation
Di-tert-butyl disulfide serves as a precursor in the fabrication of gold-supported thin films. It is employed in the formation of symmetrical and mixed disulphide adsorbates, enabling precise surface functionalisation.
Organic Synthesis Intermediate
As a disulphide compound, it functions as a valuable intermediate and building block in various organic synthesis pathways. Its structure allows for specific chemical transformations in the development of novel molecules.
Materials Science Research
The compound finds application in materials science, particularly in studies involving surface modification and the creation of specific molecular layers on substrates like gold.
| Molecular weight | 178.36 |
|---|---|
| Linear formula | (CH3)3CSSC(CH3)3 |
| Assay | 97% |
| Boiling point | 200-201 °C(lit.) |
| Density | 0.923 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.490(lit.) |
| Vapour pressure | 51.7 mmHg (37.7 °C) |
| Vapour density | 5 (vs air) |
| Application | Di-tert-butyl disulfide has been used in the preparation of gold-supported thin film from symmetrical and mixed disulphide adsorbates1. |

Hazard statements
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 62 °C / 143.6 °F |
| Transport (UN / ADR) | UN 3082 9/PG 3 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | N |
| Risk statements (R) | 51/53 |
| Safety statements (S) | 61 |
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 is Di-tert-butyl disulfide used for?
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Di-tert-butyl disulfide (CAS: 110-06-5) is used as a building block in chemical synthesis, particularly in organic chemistry. It has also been used in the preparation of gold-supported thin films from disulphide adsorbates.
What is the CAS number and formula for Di-tert-butyl disulfide?
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The CAS number for Di-tert-butyl disulfide is 110-06-5, and its linear formula is (CH 3 )<sub>3</sub>CSSC(CH 3 )<sub>3</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Di-tert-butyl disulfide with an assay of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Di-tert-butyl disulfide be handled safely?
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Di-tert-butyl disulfide is classified as GHS09 and carries the hazard statement H411 (Toxic to aquatic life with long-lasting effects). Appropriate personal protective equipment includes eyeshields, gloves, and suitable respiratory protection. Handle in well-ventilated areas and avoid release into the environment (P273).
How is Di-tert-butyl disulfide packed, shipped, and exported?
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Di-tert-butyl disulfide is packed according to relevant safety and transport regulations. Tech Serve Solutions is an experienced global supplier and exporter, ensuring compliant shipping worldwide.
How can I request a sample or quote for Di-tert-butyl disulfide?
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To request a sample or a quotation for Di-tert-butyl disulfide, please contact our sales department via the website or direct inquiry channels.
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