Heneicosane
Heneicosane (CAS: 629-94-7), with the molecular formula C21H44 and a molar mass of 296.57 g/mol, is a long-chain alkane. This saturated hydrocarbon is a waxy solid at room temperature. Heneicosane is utilised in chemical synthesis as a building block and in research settings for its potential roles in nutrition and cell biology. It is also found naturally in some plants.

Organic Synthesis
Heneicosane serves as a valuable organic building block in the synthesis of more complex molecules. Its long hydrocarbon chain offers unique properties for chemical transformations and material science applications.
Research and Development
This compound is employed in research, particularly in areas such as lipidomics and cell biology studies. Its presence in natural sources like aloe vera and elderberry also makes it a subject of interest in phytochemical research.
Analytical Standards
As a well-defined hydrocarbon, heneicosane can be used as an analytical standard in chromatography and spectroscopy for identification and quantification purposes.
| Molecular weight | 296.57 |
|---|---|
| Linear formula | CH3(CH2)19CH3 |
| Assay | 98% |
| Boiling point | 100 °C/2 mmHg(lit.)356.1 °C/760 mmHg |
| Vapour pressure | <1 mmHg (20 °C) |
| Vapour density | 10.3 (vs air) |
| Melting point | 39-41 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| 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 Heneicosane used for?
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Heneicosane is used in organic synthesis, research for nutrition and cell biology, and as an analytical standard. It is also studied for its presence in certain plant extracts.
What is the CAS number and formula for Heneicosane?
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The CAS number for Heneicosane is 629-94-7 and its linear formula is CH3(CH2)19CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Heneicosane with an assay of 98%. This is a technical/research grade; TSS does not represent this product as USP, BP, or EP grade.
How should Heneicosane be handled safely?
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Safe handling of Heneicosane requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the safety data sheet for full guidance.
Is Heneicosane a controlled substance?
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The provided data does not indicate that Heneicosane (CAS: 629-94-7) is a controlled substance.
How is Heneicosane packed, shipped, and exported?
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Heneicosane is carefully packed to ensure stability during transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Heneicosane?
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To request a sample or quote for Heneicosane, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.
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