CAS 926-56-7

4-Methyl-1,3-pentadiene

Description:

4-Methyl-1,3-pentadiene, also known as isoprene, is a colorless liquid hydrocarbon with the molecular formula C5H8. It is classified as a diene due to the presence of two double bonds in its structure. This compound is characterized by its low boiling point and high reactivity, making it a key building block in organic synthesis and polymer production, particularly in the manufacture of synthetic rubber. 4-Methyl-1,3-pentadiene has a characteristic odor and is flammable, necessitating careful handling and storage. It is soluble in organic solvents but has limited solubility in water. The compound is also known for its role in various chemical reactions, including polymerization, where it can undergo addition reactions to form larger, more complex molecules. Additionally, it is a natural product found in various plants and is emitted into the atmosphere, contributing to the formation of ozone and other secondary pollutants. Safety precautions are essential when working with this substance due to its potential health hazards, including irritation to the skin and respiratory system.

Formula: C₆H₁₀

InChI: InChI=1S/C6H10/c1-4-5-6(2)3/h4-5H,1H2,2-3H3

InChI key: InChIKey=CJSBUWDGPXGFGA-UHFFFAOYSA-N

SMILES: C(=C(C)C)C=C

Synonyms:

• 1,1-Dimethyl-1,3-butadiene
• 1,1-Dimethylbutadiene
• 1,3-Pentadiene, 4-methyl-
• 2-Methyl-2,4-pentadiene
• 4-Methylpenta-1,3-diene
• Pentadiene, methyl-
• 4-Methyl-1,3-pentadiene
• 4-Methyl-1,3-pentadiene

4-Methyl-1,3-pentadiene - mixture

CAS: 926-56-7

4-Methyl-1,3-pentadiene is a chemical compound that is used in the synthesis of polymers. It has been shown to have x-ray crystal structures and reacts with copper chloride in the presence of trifluoroacetic acid to form a methyl ester. This reaction mechanism is believed to be due to an addition reaction between the copper chloride and the activated methyl group on the aromatic ring. The intermediate steps are not known, but it has been found that hydrogenated 4-methyl-1,3-pentadiene can be dehydrated to form 1,3-pentadiyne with a hydroxyl group. Kinetic data for this reaction has been collected and is available here:

Formula: C₆H₁₀

Purity: Min. 97 Area-%

Color and Shape: Clear Liquid

Molecular weight: 82.14 g/mol

Ref: 3D-FM168132

4-Methylpenta-1,3-diene

CAS: 926-56-7

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Formula: C₆H₁₀

Purity: Min. 97.0 Area-%

Molecular weight: 82.14 g/mol

Ref: 3D-W-109617