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CAS RN: 77-73-6 | 产品编码: D0443
Dicyclopentadiene (stabilized with BHT) [precursor to Cyclopentadiene]
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![Dicyclopentadiene (stabilized with BHT) [precursor to Cyclopentadiene]](/_ui/responsive/theme-tci/images/missing_product_zoom.jpg "Dicyclopentadiene (stabilized with BHT) [precursor to Cyclopentadiene]")
纯度/分析方法: >97.0%(GC)
别名：
- 二环戊二烯 (含稳定剂BHT) [环戊二烯的前体]
- 3a,4,7,7a-四氢-4,7-桥亚甲基-1H-茚 (含稳定剂BHT)
- 三环[5.2.1.02,6]癸-3,8-二烯 (含稳定剂BHT)
- 3a,4,7,7a-Tetrahydro-4,7-methano-1H-indene (stabilized with BHT)
- Tricyclo[5.2.1.02,6]deca-3,8-diene (stabilized with BHT)
产品文档：
技术规格
| Appearance | White or Colorless to Almost white or Almost colorless powder to lump to clear liquid |
| Purity(GC) | min. 97.0 % |
| NMR | confirm to structure |
物性（参考值）
| 熔点 | 32 °C |
| 沸点 | 167 °C |
| 闪点 | 44 °C |
| 折射率 | 1.51 |
| 水溶性 | 不溶 |
| 在水中的溶解度 | 40 mg/l |
| 溶解性（可溶于） | 二氯甲烷, 醇, 乙醚, 甲苯, 丙酮 |
GHS
| 象形图 |
|
| 信号词 | Danger |
| 危险性说明 | H330 : Fatal if inhaled. H302 : Harmful if swallowed. H315 + H320 : Causes skin and eye irritation. H361 : Suspected of damaging fertility or the unborn child. H370 : Causes damage to organs. H372 : Causes damage to organs through prolonged or repeated exposure. H373 : May cause damage to organs through prolonged or repeated exposure. H335 : May cause respiratory irritation. H304 : May be fatal if swallowed and enters airways. H411 : Toxic to aquatic life with long lasting effects. H228 : Flammable solid. |
| 防范说明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P273 : Avoid release to the environment. P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray. P270 : Do not eat, drink or smoke when using this product. P202 : Do not handle until all safety precautions have been read and understood. P240 : Ground/bond container and receiving equipment. P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking. P201 : Obtain special instructions before use. P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment. P271 : Use only outdoors or in a well-ventilated area. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P284 : Wear respiratory protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P391 : Collect spillage. P331 : Do NOT induce vomiting. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. P301 + P310 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P403 + P233 : Store in a well-ventilated place. Keep container tightly closed. P405 : Store locked up. |
相关法规
| RTECS# | PC1050000 |
运输信息
| UN编号 | UN2048 |
| 类别 | 3 |
| 包装类别 | III |
| HS编码* | 2902.19-000 |
应用
Precursor to Cyclopentadiene
Typical Procedure:The reaction apparatus is assembled by attaching a thermometer, Vigreaux distilling column and Liebig condenser to a 500 mL two necked flask. The receiver is cooled by means of refrigerants or freezing mixtures. Dicyclopentadiene (195 g) is placed in the two necked flask and heated to about 160 ℃ with an electric heating mantle or oil bath. Thermal decomposition begins at about 150 ℃ and distillates at 38~46 ℃ can be obtained (addition of iron powder expedites the thermal decomposition rate of cyclopentadiene). Heating is applied slowly, because rapid temperature increases cause dicyclopentadiene to distill prior to undergoing thermal decomposition. In such a case, re-distillation allows narrow boiling-point distillates. Cyclopentadiene dimerzes rapidly at room temperature and should be used immediately.
References
- Org. Synth. 1963, coll. Vol. 4, 238.
- Org. Synth. 1962, 42, 50.
参考文献
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