trans-2-Butene
trans-2-Butene (CAS 624-64-6) is a volatile organic compound with the linear formula CH3CH=CHCH3 and a molecular weight of 56.11 g/mol. This alkenic hydrocarbon exists as a gas at standard temperature and pressure. It is primarily utilised as a chemical intermediate in organic synthesis and as a component in specialty gas mixtures. Its properties make it suitable for various industrial and research applications.
Chemical Synthesis Intermediate
Trans-2-Butene serves as a building block in organic chemistry for the synthesis of more complex molecules. It can participate in various addition reactions characteristic of alkenes, leading to diverse chemical products.
Specialty Gases
As a pure compound or as a component in gas mixtures, trans-2-Butene finds application in specialised gas streams for research, calibration, or industrial processes requiring precise gaseous compositions.
Synthetic Reagent
This compound is employed as a reagent in laboratory settings for specific chemical transformations and experimental procedures within synthetic chemistry.
| Molecular weight | 56.11 |
|---|---|
| Linear formula | CH3CH=CHCH3 |
| Assay | ≥99% |
| Boiling point | 1 °C(lit.) |
| Vapour pressure | 2575 mmHg (37.7 °C) |
| Vapour density | 2 (vs air) |
| Autoignition temp | 615 °F |
| Melting point | −105 °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, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -20 °C / -4 °F |
| Transport (UN / ADR) | UN 1012 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 trans-2-Butene used for?
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Trans-2-Butene is primarily used as an intermediate in chemical synthesis and as a component in specialty gases and synthetic reagents.
What is the CAS number and formula for trans-2-Butene?
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The CAS number for trans-2-Butene is 624-64-6, and its linear formula is CH3CH=CHCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-2-Butene with an assay of ≥99%. This product is not represented as USP, BP, EP, or pharmaceutical grade.
How is trans-2-Butene handled and what are its hazards?
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Trans-2-Butene is classified as extremely flammable (H220) and contains gas under pressure (H280), requiring careful handling. Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, should be used. Store away from ignition sources in a well-ventilated area.
How is trans-2-Butene packed and shipped?
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Trans-2-Butene is supplied as a gas under pressure and is shipped in accordance with relevant transportation regulations, including UN 1012 classification.
How can I request a quote or sample for trans-2-Butene?
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To request a quote or sample, please contact our sales department through the TSS website or by phone. Provide the product name and CAS number for prompt service.
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