2-Iminothiolane hydrochloride
2-Iminothiolane hydrochloride (CAS 4781-83-3), molecular formula C4H7NS · HCl, is a high-purity chemical supplied by Tech Serve Solutions for molecular biology applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- 2-Thiolanimine hydrochloride,2IT,Dihydro-2(3H)-thiophenimine hydrochloride,Traut’s reagent

| Molecular weight | 137.63 |
|---|---|
| Empirical formula | C4H7NS · HCl |
| Assay | ≥98% (TLC) |
| Form | powder |
| Solubility | H2O: soluble100 mg/mL |
| Storage temperature | 2-8°C |
| Impurities tested | ≤5% Free sulfhydryl groups |
| Melting point | 198-201 °C(lit.) |
| Application | Thiolating reagent for primary amines. Reacts at pH 7-10 by amidine bond to present free sulfhydryl. Useful in preparation of disulfide and/or thioether linked conjugates. |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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-Iminothiolane hydrochloride?
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2-Iminothiolane hydrochloride (CAS 4781-83-3), molecular formula C4H7NS · HCl, is a high-purity chemical supplied by Tech Serve Solutions for molecular biology applications, to USP, BP and EP standards.
What grades of 2-Iminothiolane hydrochloride does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Iminothiolane hydrochloride in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of 2-Iminothiolane hydrochloride?
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2-Iminothiolane hydrochloride has CAS number 4781-83-3 and molecular formula C4H7NS · HCl. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for 2-Iminothiolane hydrochloride?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of 2-Iminothiolane hydrochloride ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should 2-Iminothiolane hydrochloride be stored?
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Store 2-Iminothiolane hydrochloride in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is 2-Iminothiolane hydrochloride used for?
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2-Iminothiolane hydrochloride is used in molecular biology applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for 2-Iminothiolane hydrochloride?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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