2-Diethylaminoethanethiol hydrochloride
2-Diethylaminoethanethiol hydrochloride (CAS: 1942-52-5) is an organic sulfur compound with the linear formula (C2H5)2NCH2CH2SH · HCl and a molecular weight of 169.72 g/mol. This chemical serves as a valuable building block in organic synthesis. It is primarily utilised in chemical research and the development of novel compounds, leveraging its reactive thiol and tertiary amine functionalities.
- IUPAC
- 2-Diethylaminoethyl mercaptan hydrochloride
- Synonyms
- 2-Diethylaminoethyl mercaptan hydrochloride

Organic Synthesis Intermediate
2-Diethylaminoethanethiol hydrochloride functions as a versatile intermediate in the synthesis of more complex organic molecules. Its thiol group can participate in various coupling reactions and nucleophilic substitutions.
Research and Development
This compound is employed in laboratory settings for research purposes, enabling the exploration of new chemical pathways and the creation of novel chemical entities.
Building Block for Specialty Chemicals
It acts as a key building block for the construction of specialty chemicals, particularly those requiring the incorporation of sulfur and amino functionalities into their structure.
| Molecular weight | 169.72 |
|---|---|
| Linear formula | (C2H5)2NCH2CH2SH · HCl |
| Assay | 95% |
| Melting point | 170-175 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 2-Diethylaminoethanethiol hydrochloride used for?
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2-Diethylaminoethanethiol hydrochloride is primarily used as a building block in organic synthesis and for research and development purposes in chemical laboratories.
What is the CAS number and formula for 2-Diethylaminoethanethiol hydrochloride?
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The CAS number is 1942-52-5, and its linear formula is (C2H5)2NCH2CH2SH · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Diethylaminoethanethiol hydrochloride with an assay of 95%. This is a technical/research grade product, and TSS does not represent it as USP, BP, or EP.
How should 2-Diethylaminoethanethiol hydrochloride be handled?
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Handle 2-Diethylaminoethanethiol hydrochloride with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, in a well-ventilated area to avoid irritation to the respiratory tract, skin, and eyes (H315, H319, H335).
Is 2-Diethylaminoethanethiol hydrochloride a controlled substance?
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The provided safety data does not indicate that 2-Diethylaminoethanethiol hydrochloride is a controlled substance.
How is 2-Diethylaminoethanethiol hydrochloride packed and shipped?
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Tech Serve Solutions can pack and export 2-Diethylaminoethanethiol hydrochloride according to customer requirements, adhering to all relevant shipping regulations.
How can I request a sample or quote for 2-Diethylaminoethanethiol hydrochloride?
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To request a sample or quote for 2-Diethylaminoethanethiol hydrochloride, please contact our sales team through the website or by phone.
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