3-(Methylthio)propylamine
3-(Methylthio)propylamine (CAS 4104-45-4), with the molecular formula C4H11NS and a molecular weight of 105.20 g/mol, is a versatile organic building block. This sulfur-containing compound is primarily utilised in chemical synthesis and research applications. Its unique structure makes it valuable for introducing both amine and thioether functionalities into larger molecules, facilitating the development of novel chemical entities and materials.

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of more complex organic molecules. Its bifunctional nature allows for diverse reaction pathways in the construction of targeted chemical structures.
Pharmaceutical Research
Utilised in the exploration of new drug candidates, where its structural motifs can be incorporated into potential therapeutic agents.
Materials Science
Can be employed in the development of novel materials by functionalising polymers or surfaces, leveraging its amine and sulfur functionalities.
| Molecular weight | 105.20 |
|---|---|
| Empirical formula | C4H11NS |
| Assay | 97% |
| Boiling point | 169 °C(lit.) |
| Density | 0.938 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4940(lit.) |


Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 62 °C / 143.6 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 37/38-41 |
| Safety statements (S) | 26-36/37/39 |
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 3-(Methylthio)propylamine used for?
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3-(Methylthio)propylamine is used as an intermediate in organic synthesis, particularly in pharmaceutical research and materials science, for constructing complex molecules.
What are the CAS number and formula for 3-(Methylthio)propylamine?
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The CAS number is 4104-45-4 and the empirical formula is C4H11NS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(Methylthio)propylamine with an assay of 97%. This product is intended for research and laboratory use and is not represented as USP, BP, or EP grade.
How should 3-(Methylthio)propylamine be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, due to its potential to cause skin irritation, serious eye damage, and respiratory irritation. Refer to the Safety Data Sheet for comprehensive guidance.
Is 3-(Methylthio)propylamine a controlled substance?
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The provided data does not indicate that 3-(Methylthio)propylamine is a controlled substance.
How is 3-(Methylthio)propylamine packed and shipped?
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3-(Methylthio)propylamine is packed and exported according to relevant regulations for chemical transport. Shipping details will be provided upon order confirmation.
How can I request a sample or quote for 3-(Methylthio)propylamine?
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Please contact our sales team via the website or direct email to request a sample or obtain a quotation for 3-(Methylthio)propylamine.
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