2-Tributylstannylbenzo[b]thiophene
2-Tributylstannylbenzo[b]thiophene (CAS: 148961-88-0, Formula: C20H32SSn) is an organotin compound with a molecular weight of 423.24 g/mol. It is characterised by its tributylstannyl group attached to a benzo[b]thiophene core. This reagent is primarily employed in organic synthesis, particularly for cross-coupling reactions and the introduction of the benzo[b]thien-2-yl moiety into various molecular structures.
- IUPAC
- Benzo[b]thien-2-yltributylstannane
- Synonyms
- Benzo[b]thien-2-yltributylstannane
![2-Tributylstannylbenzo[b]thiophene (C20H32SSn) — chemical structure, CAS 148961-88-0; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F148961-88-0.png&w=3840&q=75)
Organic Synthesis Reagent
Utilised as a building block in complex organic synthesis, enabling the formation of carbon-carbon and carbon-heteroatom bonds. It is particularly useful in Stille coupling reactions.
Heterocyclic Chemistry
Serves as a precursor for functionalising benzo[b]thiophene derivatives. The stannyl group allows for controlled elaboration of the heterocyclic system.
Material Science
Can be employed in the synthesis of novel organic materials where the benzo[b]thiophene unit contributes to specific electronic or optical properties.
| Molecular weight | 423.24 |
|---|---|
| Empirical formula | C20H32SSn |
| Assay | 95% |
| Density | 1.184 g/mL at 25 °C |
| Refractive index | n20/D 1.5637 |
| Storage temperature | 2-8°C |
Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H372Causes damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P314Get medical attention if you feel unwell
- P501Dispose of contents and container per local regulations
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 2788 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 21-25-36/38-48/23/25-50/53 |
| Safety statements (S) | 36/37/39-45-60-61 |
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-Tributylstannylbenzo[b]thiophene used for?
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2-Tributylstannylbenzo[b]thiophene (CAS: 148961-88-0) is principally used as a reagent in organic synthesis, particularly for Stille coupling reactions and introducing the benzo[b]thien-2-yl group.
What are the CAS number and chemical formula for 2-Tributylstannylbenzo[b]thiophene?
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The CAS number is 148961-88-0 and the chemical formula is C20H32SSn.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Tributylstannylbenzo[b]thiophene with an assay of 95%. This is a technical/research grade chemical and is not represented as USP, BP, EP, or any other pharmacopoeia standard.
What are the primary safety concerns when handling this compound?
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This compound is classified as Dangerous. It is acutely toxic if swallowed or in contact with skin, causes skin irritation, serious eye irritation, and can cause damage to organs through prolonged or repeated exposure. It is also very toxic to aquatic life with long lasting effects. Handle with appropriate personal protective equipment, including gloves, eyeshields, and a full-face respirator or suitable filter.
How is 2-Tributylstannylbenzo[b]thiophene packed and shipped?
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As a specialist global supplier and exporter, Tech Serve Solutions ensures appropriate packaging and shipping compliant with international regulations for hazardous materials, including UN 2788, Class 6.1, Packing Group III.
How can I request a quote or sample?
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To request a quote or sample of 2-Tributylstannylbenzo[b]thiophene, please contact our sales department via the website or direct enquiry channels.
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