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1-Pentanethiol

CAS 110-66-7CH3(CH2)4SHMicro / NanoElectronics

1-Pentanethiol (CAS: 110-66-7), with the molecular formula CH3(CH2)4SH and a molecular weight of 104.21 g/mol, is an alkyl thiol. It is characterised by its distinctive odour. This compound finds applications in materials science, particularly within micro/nanoelectronics and self-assembly processes, serving as a precursor for fabricating ordered molecular layers and functionalised surfaces.

IUPAC
Amyl mercaptan,Mercaptan C5,PT,Pentyl mercaptan
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1-Pentanethiol (CH3(CH2)4SH) — chemical structure, CAS 110-66-7; Materials Science, fine chemical supplied by Tech Serve Solutions
Alkyl ThiolsMaterials ScienceMicro/NanoElectronicsSelf-Assembly MaterialsThiols More...
01 /Applications

Materials Science

1-Pentanethiol is employed in materials science for its ability to form self-assembled monolayers (SAMs) on various surfaces. These SAMs can modify surface properties, enabling applications in microelectronics and nanotechnology.

Micro/Nanoelectronics

In micro and nanoelectronics, this thiol serves as a building block for creating functionalised surfaces and interfaces. Its controlled adsorption allows for precise patterning and modification of electronic components.

Self-Assembly

The compound is utilised in self-assembly processes to create ordered molecular structures. This capability is crucial for developing advanced materials with tailored functionalities and for applications in contact printing techniques.

02 /Properties
Molecular weight104.21
Linear formulaCH3(CH2)4SH
Assay98%
Boiling point126 °C(lit.)
Density0.84 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.446(lit.)
Vapour pressure27.4 mmHg (37.7 °C)
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Danger

Hazard statements

  • H225Highly flammable liquid and vapour
  • H302Harmful if swallowed
  • H332Harmful if inhaled

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point18 °C / 64.4 °F
Transport (UN / ADR)UN 1111 3 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)F,Xn
Risk statements (R)11-20/22
Safety statements (S)16-23-24/25

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

04 /Identifiers & registry
CAS number
110-66-7
MDL number
MFCD00004907
PubChem substance
24898891
Beilstein registry
1730979
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-Pentanethiol used for?

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1-Pentanethiol is used in materials science, micro/nanoelectronics, and self-assembly processes. It is valuable for creating self-assembled monolayers (SAMs) and functionalising surfaces.

What are the CAS number and chemical formula for 1-Pentanethiol?

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The CAS number for 1-Pentanethiol is 110-66-7, and its chemical formula is CH3(CH2)4SH.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 1-Pentanethiol with an assay of 98%. This is typically considered a technical or research grade, and TSS does not represent it as USP, BP, or EP grade.

How should 1-Pentanethiol be handled safely?

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1-Pentanethiol is a flammable liquid and vapour (H225) and is harmful if swallowed (H302) or inhaled (H332). Handling requires appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, in a well-ventilated area away from ignition sources. Follow all precautionary statements, such as P210 (keep away from heat/sparks/open flames/hot surfaces. - No smoking).

Is 1-Pentanethiol a controlled substance?

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The provided data does not indicate that 1-Pentanethiol is a controlled substance.

How is 1-Pentanethiol packed and shipped?

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1-Pentanethiol is packed and shipped according to its classification as a flammable liquid (UN 1111, Class 3, PG II). Please contact TSS for specific shipping and export details.

How can I request a sample or quote for 1-Pentanethiol?

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To request a sample or quote for 1-Pentanethiol, please contact Tech Serve Solutions directly through our website or sales representatives.

Need 1-Pentanethiol in a specific grade or volume?