1-Butanethiol
1-Butanethiol (CAS: 109-79-5; Formula: CH3(CH2)3SH) is a volatile, colourless liquid with a characteristic thiol odour. With a molecular weight of 90.19 g/mol, this sulfur compound is primarily used in chemical synthesis as an organic building block. Its distinct properties make it valuable for specific applications, including its use as a model analyte in gas sensor development. Tech Serve Solutions supplies 1-Butanethiol with a minimum assay of 99%.
- IUPAC
- Butyl mercaptan,Mercaptan C4
- Synonyms
- Butyl mercaptanMercaptan C4Thiobutol
Chemical Synthesis Intermediate
1-Butanethiol serves as a versatile building block in organic synthesis. Its thiol group allows for various chemical transformations, enabling the construction of more complex sulfur-containing molecules for diverse industrial applications.
Gas Sensor Development
This compound has been utilised as a model gaseous analyte in research for developing fast-responding, membrane-free amperometric gas sensors. Its predictable properties aid in calibrating and testing sensor performance.
Organic Building Block
As an organic building block, 1-Butanethiol contributes to the synthesis of speciality chemicals and intermediates where a four-carbon chain with a terminal sulfur functionality is required.
| Molecular weight | 90.19 |
|---|---|
| Linear formula | CH3(CH2)3SH |
| Assay | 99% |
| Boiling point | 98 °C(lit.) |
| Density | 0.842 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.443(lit.) |
| Vapour pressure | 83 mmHg (37.7 °C) |
| Melting point | −116 °C(lit.) |
| Vapour density | 3.1 (vs air) |
| Application | 1-Butanethiol was used as a model gaseous analyte for fast-responding membrane-free amperometric gas sensor1. |
Hazard statements
- H225Highly flammable liquid and vapour
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 12 °C / 53.6 °F |
| Transport (UN / ADR) | UN 2347 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-20/22-36/37/38 |
| Safety statements (S) | 16-23-26-36 |
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 is 1-Butanethiol used for?
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1-Butanethiol is used in chemical synthesis as an organic building block and has been employed as a model gaseous analyte for developing gas sensors.
What is the CAS number and formula for 1-Butanethiol?
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The CAS number for 1-Butanethiol is 109-79-5, and its chemical formula is CH3(CH2)3SH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Butanethiol with a minimum assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 1-Butanethiol be handled safely?
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1-Butanethiol is a highly flammable liquid and vapour (H225) and is harmful if swallowed or inhaled (H302 + H332). It also causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Always use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and handle in a well-ventilated area away from ignition sources.
Is 1-Butanethiol exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Butanethiol.
How can I request a quote or sample for 1-Butanethiol?
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To request a quote or sample for 1-Butanethiol, please contact our sales team through the website or via phone.
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