2-Methyl-1-butene
2-Methyl-1-butene (CAS: 563-46-2; Formula: C5H10; Molar Mass: 70.13 g/mol) is a volatile, flammable acyclic alkene. It is characterised by its low boiling point of 31 °C and its significant vapour pressure at room temperature. Primarily utilised as an organic building block and in chemical synthesis, this compound serves as a versatile intermediate in various chemical processes. Tech Serve Solutions supplies 2-Methyl-1-butene with a minimum purity of 98%.

Organic Synthesis Intermediate
2-Methyl-1-butene is a valuable building block in organic synthesis. Its alkene functionality allows for a range of addition reactions, enabling the construction of more complex molecular structures.
Alkene Chemistry Research
This compound serves as a model substrate for research into alkene reactivity and polymerisation processes. Its specific structure makes it useful for studying regioselectivity and stereoselectivity in various reactions.
Fine Chemical Production
It functions as an intermediate in the production of fine chemicals and specialty materials. Its incorporation into larger molecules can impart specific properties required for advanced applications.
| Molecular weight | 70.13 |
|---|---|
| Linear formula | CH3CH2C(CH3)=CH2 |
| Assay | 98% |
| Boiling point | 31 °C(lit.) |
| Density | 0.65 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.378(lit.) |
| Vapour pressure | 9.98 psi (20 °C) |
| Melting point | −137 °C(lit.) |
| Storage temperature | 2-8°C |


Hazard statements
- H224Extremely flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P301IF SWALLOWED
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -48 °C / -54.4 °F |
| Transport (UN / ADR) | UN 2459 3 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F+,Xn |
| Risk statements (R) | 12-65 |
| Safety statements (S) | 16-62 |
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-Methyl-1-butene used for?
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2-Methyl-1-butene is primarily used as an intermediate in organic synthesis and as a building block for creating more complex organic molecules. It is also employed in research related to alkene chemistry.
What is the CAS number and formula for 2-Methyl-1-butene?
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The CAS number for 2-Methyl-1-butene is 563-46-2, and its chemical formula is C5H10.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methyl-1-butene with a minimum assay of 98%. This product is not represented as USP, BP, or EP grade.
How is 2-Methyl-1-butene classified for safety and handling?
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2-Methyl-1-butene is classified as extremely flammable (H224) and may be fatal if swallowed and enters airways (H304). It requires careful handling due to its flammability and associated health hazards, necessitating appropriate personal protective equipment and storage in a cool, well-ventilated area away from ignition sources.
How is 2-Methyl-1-butene packed and shipped?
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2-Methyl-1-butene is packed in compliance with international shipping regulations for hazardous materials. Specific packaging details can be provided upon request, and TSS exports globally.
How can I request a quote or sample for 2-Methyl-1-butene?
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To request a quote or a sample of 2-Methyl-1-butene, please contact our sales department through the website or by phone, providing your specific requirements.
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