Tetracontane
Tetracontane (CAS 4181-95-7), a long-chain alkane with the molecular formula C40H82 and a molecular weight of 563.08 g/mol, is a saturated hydrocarbon characterised by its acyclic structure. It presents as a solid at room temperature. Tetracontane finds utility as a building block in chemical synthesis and in various organic chemistry applications where its specific chain length is required. It is primarily used in research and industrial settings.
- IUPAC
- n-Tetracontane

Chemical Synthesis
Tetracontane serves as a valuable starting material or intermediate in the synthesis of complex organic molecules. Its long aliphatic chain can be functionalised or incorporated into larger structures for specific chemical properties.
Organic Building Block
As a linear alkane, tetracontane acts as a fundamental building block in organic chemistry. It is employed in research laboratories for studies involving long-chain hydrocarbons and their derivatives.
Material Science Research
This compound may be used in material science for developing or testing materials with specific hydrophobic or surface properties due to its extensive hydrocarbon chain.
| Molecular weight | 563.08 |
|---|---|
| Linear formula | CH3(CH2)38CH3 |
| Assay | ≥95.0% (GC) |
| Melting point | 80-84 °C(lit.) |
| 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
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 Tetracontane primarily used for?
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Tetracontane is primarily used as a building block in chemical synthesis and in organic chemistry research. Its specific long-chain structure makes it useful for developing materials or studying hydrocarbon properties.
What is the CAS number and molecular formula for Tetracontane?
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The CAS number for Tetracontane is 4181-95-7, and its molecular formula is CH3(CH2)38CH3.
What grade and purity does Tech Serve Solutions supply for Tetracontane?
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Tech Serve Solutions supplies Tetracontane with an assay of ≥95.0% (GC). This product is not represented as USP, BP, EP, or any other pharmacopoeial grade.
What are the safety and handling precautions for Tetracontane?
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Handling Tetracontane requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The compound has a WGK (German Water Hazard Class) of 3, indicating a significant hazard to water.
How is Tetracontane packed and shipped by TSS?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals and reagents. Tetracontane is carefully packed to meet international shipping standards and is exported worldwide.
How can I request a sample or quote for Tetracontane?
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To request a sample or a quote for Tetracontane, please contact the Tech Serve Solutions sales team through our website or by phone. Our team will be happy to assist you with your requirements.
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