Isoprene
Isoprene (CAS: 78-79-5), chemically known as 2-Methyl-1,3-butadiene (C5H8), is a volatile, colourless liquid. With a molecular weight of 68.12 g/mol, it is a fundamental building block in organic synthesis. Isoprene is a key component in the production of synthetic rubber, particularly polyisoprene, which mimics natural rubber. It also finds applications as a monomer in the synthesis of various polymers and copolymers with diverse industrial uses.
- IUPAC
- 2-Methyl-1,3-butadiene
- Synonyms
- 2-Methyl-1,3-butadiene
Polymer Synthesis
Isoprene serves as a crucial monomer for the production of polyisoprene, a synthetic elastomer with properties similar to natural rubber. This polymer is widely used in the manufacturing of tyres, footwear, and medical devices.
Organic Synthesis Intermediate
As a reactive diene, isoprene is a valuable intermediate in various organic synthesis pathways. It participates in Diels-Alder reactions and is used to construct complex organic molecules for research and industrial applications.
Specialty Chemicals Production
It is employed in the synthesis of specialty chemicals, including certain adhesives, coatings, and fragrance components. Its unique structure allows for the creation of polymers with tailored properties.
| Molecular weight | 68.12 |
|---|---|
| Linear formula | CH2=CHC(CH3)=CH2 |
| Assay | 99% |
| Boiling point | 34 °C(lit.) |
| Density | 0.681 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.422(lit.) |
| Vapour pressure | 8.82 psi (20 °C) |
| Melting point | −146 °C(lit.) |
| Vapour density | 2.35 (vs air) |
| Autoignition temp | 428 °F |
| Storage temperature | 2-8°C |
| Contains / stabiliser | <1000 ppm p-tert-butylcatechol as inhibitor |
Hazard statements
- H224Extremely flammable liquid and vapour
- H341Suspected of causing genetic defects
- H350May cause cancer
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P201Obtain special instructions before use
- P210Keep away from heat, sparks and open flames. No smoking
- P273Avoid release to the environment
- P281Use personal protective equipment as required
- P308IF exposed or concerned
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | -54 °C / -65.2 °F |
| Transport (UN / ADR) | UN 1218 3 / PGI |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F+,T |
| Risk statements (R) | 45-12-52/53-68 |
| Safety statements (S) | 53-16-36/37-45-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | 10 % |
|---|
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 Isoprene used for?
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Isoprene is primarily used as a monomer for the synthesis of synthetic rubber (polyisoprene) and as an intermediate in organic synthesis for producing various polymers and specialty chemicals.
What are the CAS number and chemical formula for Isoprene?
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The CAS number for Isoprene is 78-79-5, and its chemical formula is C5H8 (or CH2=CHC(CH3)=CH2).
What grade and purity does Tech Serve Solutions supply for Isoprene?
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Tech Serve Solutions supplies Isoprene with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should Isoprene be handled and stored?
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Isoprene is highly flammable and a suspected mutagen and carcinogen. It must be handled with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, in a well-ventilated area. Store in a cool, well-ventilated place, away from heat and ignition sources, at 2-8°C, with p-tert-butylcatechol as an inhibitor.
Is Isoprene a controlled substance?
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Based on the provided data, Isoprene is classified with hazard codes F+ (Extremely Flammable) and T (Toxic) in Europe, and carries significant hazards (H224, H341, H350, H412), but is not explicitly listed as a controlled or scheduled substance in this data.
How is Isoprene packed, shipped, and exported?
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Isoprene is packed, shipped, and exported according to international regulations for hazardous materials. Specific packaging and shipping details can be provided upon request.
How can I request a quote or sample for Isoprene?
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To request a quote or sample for Isoprene, please contact our sales team through the TSS website or directly via email/phone, providing your specific requirements.
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