Complaint
1,3-Cyclopentadiene for insecticide imidacloprid cas 542-92-7
| 1,3-Cyclopentadiene Basic information | |
| Product Name: | 1,3-Cyclopentadiene |
| CAS: | 542-92-7 |
| MF: | C5H6 |
| MW: | 66.1 |
| EINECS: | 208-835-4 |
| 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). |
| pka | 16(at 25ºC) |
| form | Colorless liquid |
| Water Solubility | 10.3 mM at 25 °C (shake flask-UV spectrophotometry, Streitwieser and Nebenzahl, 1976) |
| Henry's Law Constant | 5.1 at 25 °C (approximate - calculated from water solubility and vapor pressure) |
| Exposure limits | TLV-TWA 75 ppm (~202 mg/m3) (ACGIH, NIOSH, and OSHA); IDLH 2000 ppm (NIOSH). |
| 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. |
| EPA Substance Registry System | Cyclopentadiene (542-92-7) |
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