1,8-Octanedithiol

CAS 1191-62-4HS(CH2)8SHMicro / NanoElectronics

1,8-Octanedithiol (CAS: 1191-62-4), with the linear formula HS(CH2)8SH and a molecular weight of 178.36 g/mol, is a difunctional thiol. This compound is primarily utilised in materials science, particularly in micro- and nanoelectronics applications. It serves as a key component in self-assembly processes and contact printing techniques, enabling the creation of functionalised surfaces and advanced materials.

IUPAC: 1,8-Dimercaptooctane
Synonyms: 1,8-DimercaptooctaneHS(CH2)8SH

Email us

1,8-Octanedithiol (HS(CH2)8SH) — chemical structure, CAS 1191-62-4; Materials Science, fine chemical supplied by Tech Serve Solutions

DithiolsMaterials ScienceMicro/NanoElectronicsSelf-Assembly MaterialsThiols More...

01 /Applications

Materials Science

1,8-Octanedithiol is employed in the development of novel materials. Its thiol groups facilitate cross-linking and surface modification, leading to advanced polymer architectures and functional coatings.

Micro- and Nanoelectronics

This dithiol finds application in microelectronics and nanoelectronics fabrication. It is used in self-assembled monolayers (SAMs) for patterning and creating conductive pathways on surfaces.

Self-Assembly and Surface Modification

The compound's ability to form stable monolayers makes it valuable for self-assembly processes. It is used in techniques like contact printing to precisely engineer surface properties at the nanoscale.

02 /Properties

Molecular weight	178.36
Linear formula	HS(CH2)8SH
Assay	≥97%
Boiling point	269-270 °C(lit.)
Density	0.97 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.505(lit.)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H302Harmful if swallowed

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	113 °C / 235.4 °F
Transport (UN / ADR)	UN 3334
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xn
Risk statements (R)	22
Safety statements (S)	36

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

1191-62-4

MDL number

MFCD00003574

PubChem substance

24897980

05 /Quality & supply

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.

06 /Frequently asked questions

What is 1,8-Octanedithiol primarily used for?

1,8-Octanedithiol is primarily used in materials science, particularly for micro- and nanoelectronics applications, and in self-assembly and contact printing techniques.

What is the CAS number and chemical formula for 1,8-Octanedithiol?

The CAS number for 1,8-Octanedithiol is 1191-62-4, and its linear formula is HS(CH2)8SH.

What grade and purity does Tech Serve Solutions supply for 1,8-Octanedithiol?

Tech Serve Solutions supplies 1,8-Octanedithiol with a purity of ≥97%. This is a technical grade suitable for research and industrial applications; it is not represented as USP, BP, or EP.

What are the safety considerations for handling 1,8-Octanedithiol?

1,8-Octanedithiol is classified as harmful if swallowed (H302). Appropriate personal protective equipment, including eyeshields, face shields, and gloves, is essential. Respiratory protection such as a full-face respirator or an ABEK-type filter is recommended. Handle with care in a well-ventilated area.

How is 1,8-Octanedithiol packed, shipped, and exported?

1,8-Octanedithiol is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations.

How can I request a sample or quote for 1,8-Octanedithiol?

To request a sample or a quote for 1,8-Octanedithiol, please contact our sales team through the website or by phone. Provide your details and the required quantity.