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isoprene

CAS No.: 111184-80-6
Formula: C17H19N7
Molecular Weight: 321.38000
Suppliers: All(0) China Suppliers(7) Products(7)
  • Description
  • Basic Info
  • Price
What is isoprene

**Introduction to Isoprene** Isoprene (C₅H₈) is a volatile, colorless hydrocarbon and a key building block in organic chemistry. Naturally produced by plants and some animals, it is the primary monomer in natural rubber and a precursor to synthetic elastomers. Industrially, isoprene is derived from petroleum refining or biomass and is widely used in manufacturing tires, adhesives, and specialty polymers. Its high reactivity makes it valuable in producing isoprenoids, which are essential for pharmaceuticals, fragrances, and biofuels. As a major biogenic volatile organic compound (BVOC), isoprene also plays a role in atmospheric chemistry, influencing air quality and climate. Its versatility underscores its importance in both industrial and ecological systems.

Preparation Process: Isoprene (2-methyl-1,3-butadiene) is primarily prepared industrially via the cracking of petroleum-derived feedstocks, such as naphtha or gas oil, followed by fractional distillation to isolate the compound. Alternatively, it can be synthesized through the dehydrogenation of isopentane (2-methylbutane) or isopentene (2-methyl-2-butene) over a catalyst like chromia-alumina. Another method involves the pyrolysis of methyl tert-butyl ether (MTBE) or tert-amyl methyl ether (TAME). In the laboratory, isoprene can be obtained by the thermal decomposition of natural rubber or by the dehydration of 3-methyl-3-buten-1-ol using an acid catalyst, such as sulfuric acid.

Usage Scenarios: Isoprene (C₅H₈) is a key organic compound primarily used as a monomer in the production of synthetic rubber, such as polyisoprene, butyl rubber, and styrene-isoprene-styrene (SIS) copolymers. It serves as a building block for elastomers in tires, adhesives, and footwear. In nature, isoprene is emitted by plants and contributes to atmospheric aerosol formation. Industrially, it is derived from petroleum or bio-based sources like sugarcane. It also finds applications in specialty chemicals, including pharmaceuticals, fragrances, and pesticides. Additionally, isoprene-based polymers enhance material flexibility and durability in medical devices and coatings. Its versatility makes it vital in manufacturing and research.

isoprene Basic Info
Chemical Name isoprene
Synonyms Bis-benzotriazol-1-ylmethyl-isopropyl-amine
CAS No. 111184-80-6
Molecular Formula C17H19N7
Molecular Weight 321.38000
PSA 64.66000
LogP 2.50160
isoprene Price
Here is a rough price range for isoprene in the listed countries. Note that prices can vary based on market conditions, suppliers, and other factors. If no specific data is available, it is marked as "No results."

1. **United States**: $1,500 - $2,500 per metric ton
2. **China**: $1,200 - $2,000 per metric ton
3. **Russia**: $1,300 - $2,200 per metric ton
4. **Germany**: $1,600 - $2,600 per metric ton
5. **India**: $1,100 - $1,900 per metric ton
6. **Japan**: $1,700 - $2,700 per metric ton
7. **Brazil**: $1,400 - $2,300 per metric ton
8. **South Korea**: $1,500 - $2,400 per metric ton
9. **Philippines**: No results
10. **United Kingdom**: $1,600 - $2,500 per metric ton
11. **France**: $1,600 - $2,600 per metric ton
12. **Mexico**: $1,300 - $2,100 per metric ton
13. **Canada**: $1,500 - $2,500 per metric ton
14. **South Africa**: No results
15. **Egypt**: No results
16. **Turkey**: $1,200 - $2,000 per metric ton
17. **Thailand**: $1,100 - $1,900 per metric ton
18. **Indonesia**: $1,100 - $1,800 per metric ton

These ranges are approximate and subject to change based on market dynamics.