542-92-7 Cyclopentadiene

1,3-Cyclopentadiene COA TDS price MSDS

1,3-Cyclopentadiene MSDS

1,3-Cyclopentadiene TDS

1,3-Cyclopentadiene price

Product no. chemwill-1,3-Cyclopentadiene-92100211

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1,3-Cyclopentadiene CAS 542-92-7

Cyclopentadiene CAS 542-92-7

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Name:    1,3-Cyclopentadiene
Cyclopentadiene is an organic compound with the formula C5H6. This colorless liquid has a strong and unpleasant odor. At room temperature, this cyclic diene dimerizes over the course of hours to give dicyclopentadiene via a Diels–Alder reaction. This dimer can be restored by heating to give the monomer.
The compound is mainly used for the production of cyclopentene and its derivatives. It is popularly used as a precursor to the cyclopentadienyl ligand (Cp) in cyclopentadienyl complexes in organometallic chemistry.
1,3-Cyclopentadiene Chemical Properties
Melting point     -85°; mp 32.5°
Boiling point     bp760 41.5-42.0°
density     d40 0.8235; d410 0.8131; d420 0.8021; d425 0.7966; d430 0.7914
vapor pressure     381 at 20.6 °C, 735 at 40.6 °C, 1,380 at 60.9 °C (Stoeck and Roscher, 1977)
refractive index     nD16 1.44632
solubility     Miscible with acetone, benzene, carbon tetrachloride, and ether. Soluble in acetic acid, aniline, and carbon disulfide (Windholz et al., 1983).
MSDS Information
1,3-Cyclopentadiene Usage And Synthesis
Chemical Properties    colourless liquid
Chemical Properties    Cyclopentadiene is a flammable, colorless liq- uid with a sweet odor, like turpentine.
Physical properties    Colorless liquid with a turpentine-like odor. Odor threshold concentration is 1.9 ppm (quoted, Amoore and Hautala, 1983).
Uses    Cyclopentadiene is used in the manufactureof resins, in the synthesis of sesquiterpenesand camphors, and as a ligand in the preparationof metal complexes.
1,3-Cyclopentadiene Preparation Products And Raw materials
Raw materials    COAL TAR-->Motor benzol-->Cyclopentene-->Dicyclopentadiene-->light benzol-->CYCLOPENTANE-->Packed tower-->TRANS-1,3-PENTADIENE-->1,4-PENTADIENE
Synonyms:    1，3-Cyclopentadiene;2,4-Cyclopentadiene;Cyclopentadiene;pentole;pyropentylene;r-pentine
CAS:    542-92-7
MF:    C5H6
MW:    66.10114
EINECS:    208-835-4
Appearance & Physical State     colourless liquid
Density     0.877g/cm3
Boiling Point     41.5ºC at 760mmHg
Melting Point     -97.2ºC
Refractive Index     1.503
Stability     Stable at room temperature. Incompatible with oxidizing agents, acids and a wide variety of other compounds. May form peroxides in storage. May undergo spontaneous polymerisation. Decomposes on heating. Highly flammable. Mixtures with air are explosive.
Safety Info
Hazard Class     3.2
Packing Group     III
RIDADR     UN 1993