2-Thiopheneethylamine
2-Thiopheneethylamine (CAS: 30433-91-1), with the molecular formula C6H9NS and a molecular weight of 127.21 g/mol, is a valuable heterocyclic building block. It serves as a key intermediate in organic synthesis, particularly within the chemical and pharmaceutical sectors. Its structure, featuring both a thiophene ring and an ethylamine side chain, allows for diverse chemical transformations, making it a versatile reagent for constructing complex molecules.

Organic Synthesis Intermediate
Utilised as a foundational component in the synthesis of more complex organic compounds. Its reactive amine group and thiophene moiety facilitate various coupling and functionalisation reactions.
Pharmaceutical Research and Development
A crucial building block for the creation of novel pharmaceutical agents and drug candidates. The thiophene ring is a common scaffold found in many biologically active molecules.
Agrochemical Synthesis
Contributes to the development of new agrochemical compounds, leveraging its heterocyclic structure for potential pesticidal or herbicidal activity.
Material Science
May be employed in the synthesis of specialised polymers or functional materials where its unique chemical properties are advantageous.
| Molecular weight | 127.21 |
|---|---|
| Empirical formula | C6H9NS |
| Assay | 96% |
| Boiling point | 200-201 °C/750 mmHg(lit.) |
| Density | 1.087 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.551(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- 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, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 88 °C / 190.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 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 2-Thiopheneethylamine primarily used for?
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2-Thiopheneethylamine is primarily used as a versatile building block in organic synthesis, particularly for the development of pharmaceuticals, agrochemicals, and other complex organic molecules.
What is the CAS number and formula for 2-Thiopheneethylamine?
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The CAS number for 2-Thiopheneethylamine is 30433-91-1, and its empirical formula (Hill notation) is C6H9NS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Thiopheneethylamine with an assay of 96%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-Thiopheneethylamine be handled safely?
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2-Thiopheneethylamine is classified with GHS07 warning and presents hazards including H302 (Harmful if swallowed), H312 (Harmful in contact with skin), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H332 (Harmful if inhaled), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields, face shields, and protective gloves, should be used. Ensure adequate ventilation and use a suitable respirator.
Is 2-Thiopheneethylamine a controlled substance?
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The provided data does not indicate that 2-Thiopheneethylamine (CAS: 30433-91-1) is a controlled substance.
How is 2-Thiopheneethylamine packed, shipped, and exported?
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2-Thiopheneethylamine is typically packed in compliance with shipping regulations (UN NA 1993, PGIII). Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals.
How can I request a sample or quote for 2-Thiopheneethylamine?
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To request a sample or quote for 2-Thiopheneethylamine, please contact our sales department through the website or by phone, providing your specific requirements and delivery details.
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