Allene
Allene (CAS 463-49-0, H2C=C=CH2) is a highly reactive organic compound featuring cumulative double bonds. With a molecular weight of 40.06 g/mol, it is a colourless gas that finds application in chemical synthesis and as a specialty gas. Its unique structure makes it a valuable building block in organic chemistry, particularly for the creation of complex cyclic structures and polymers. Allene is supplied by TSS for research and development purposes.
- IUPAC
- Propadiene
Organic Synthesis
Allene serves as a versatile reagent in organic synthesis, enabling the formation of various cyclic and acyclic compounds through cycloaddition reactions and other transformations. Its allenic structure is key to introducing specific functionalities in complex molecules.
Specialty Gas
As a specialty gas, Allene can be utilised in controlled laboratory environments for specific research applications. Its gaseous state and reactivity require careful handling and specialised equipment for its use.
Polymer Chemistry
The reactive nature of Allene makes it a potential monomer or co-monomer in the synthesis of novel polymers. Research into its polymerisation behaviour is ongoing for material science applications.
| Molecular weight | 40.06 |
|---|---|
| Linear formula | H2C=C=CH2 |
| Assay | ≥96.0% |
| Boiling point | −34 °C(lit.) |
| Vapour pressure | 6795 mmHg (21 °C) |
| Vapour density | 1.42 (20 °C, vs air) |
| Storage temperature | 2-8°C |
| Melting point | −136 °C(lit.) |
Hazard statements
- H220Extremely flammable gas
- H280Contains gas under pressure; may explode if heated
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P410Protect from sunlight
| Protective equipment | Eyeshields, Faceshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Transport (UN / ADR) | UN 2200 2.1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F+ |
| Risk statements (R) | 12 |
| Safety statements (S) | 9-16-33 |
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 Allene used for?
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Allene is used in organic synthesis, as a specialty gas in research, and potentially in polymer chemistry. Its highly reactive nature makes it a valuable building block for creating complex organic structures.
What are the CAS number and formula for Allene?
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The CAS number for Allene is 463-49-0, and its molecular formula is H2C=C=CH2.
What grade and purity does Tech Serve Solutions supply for Allene?
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Tech Serve Solutions supplies Allene with an assay of ≥96.0%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should Allene be handled safely?
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Allene is extremely flammable (H220) and contains gas under pressure (H280), requiring stringent safety precautions. Handling should occur in well-ventilated areas, away from ignition sources, using appropriate personal protective equipment including eyeshields, gloves, and respiratory protection. Store at 2-8°C.
Is Allene available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Allene. Please contact us to discuss your specific export requirements.
How can I request a quote or sample of Allene?
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To request a quote or sample of Allene, please contact our sales team through the website or by phone. Provide your contact details and the quantity required.
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