Chemical properties: colorless crystal, camphor like odor, soluble in alcohol.

雙環戊二烯的用途：用于制造金屬有機化合物、二茂鐵、殺蟲劑、味精和石油樹脂等用途。

Application of dicyclopentadiene: used in the manufacture of organometallic compounds, ferrocene, insecticides, monosodium glutamate and petroleum resin.

環戊二烯二聚體（或環戊二烯）的主要用途有：

The main uses of cyclopentadiene dimer (or cyclopentadiene) are as follows:

（1）用作乙烯-丙烯二元共聚物（EPDM）的第三組份；

(1) It is used as the third component of ethylene propylene binary copolymer (EPDM);

（2）用作合成乙叉降冰片烯（ENB）的原料；

(2) It is used as raw material for synthesis of ethylene norbornene (ENB);

（3）與順丁烯二酸酐反應得到降冰片烯二酸酐，用作環氧樹脂固化劑、聚酯樹脂、醇酸樹脂、殺蟲劑的原料；

(3) Norbornenedicarboxylic anhydride was synthesized by the reaction of maleic anhydride and maleic anhydride, which was used as raw material of epoxy resin curing agent, polyester resin, alkyd resin and insecticide;

（4）環戊二烯的六氯化物——六氯環戊二烯，與順酐反應得到的六氯化內亞甲基的氫化鄰苯二甲酸酐，用作合成樹脂的阻燃劑；

(4) Hexachlorocyclopentadiene, the hexachloride of cyclopentadiene, is reacted with maleic anhydride to obtain hydrogenated phthalic anhydride of methylene hexachloride, which is used as flame retardant for synthetic resins;

（5）二聚環戊二烯用于桐油、亞麻仁油、大豆油、魚油等的改性，可加快干燥性，提高耐水、耐堿性；

(5) Dicyclopentadiene can be used to modify tung oil, flaxseed oil, soybean oil, fish oil, etc., which can speed up the drying property and improve the water and alkali resistance;

（6）二聚環戊二烯樹脂可用作橡膠粘合劑、壓敏粘接劑、熱溶粘合劑、油墨、涂料等；

(6) Dicyclopentadiene resin can be used as rubber adhesive, pressure-sensitive adhesive, hot-melt adhesive, ink, coating, etc;

（7）二聚環戊二烯氧化物可用作注射成型和層壓成型樹脂；

(7) Dicyclopentadiene oxide can be used as injection molding and laminating resin;

（8）環戊二烯部分加氫得到的環戊烯，再聚合制得1,5-反式聚環戊烯；

(8) Cyclopentene was obtained by partial hydrogenation of cyclopentadiene, and then polymerized to obtain 1,5-trans-cyclopentene;

（9）環戊二烯是經營荻氏劑類殺蟲劑原料；

(9) Cyclopentadiene is the raw material of Di's insecticides;

（10）環戊二烯還用于藥物合成。例如胃長樂的中間體α-環戊二烯基扁桃酸甲酯，由苯乙酮酸甲酯與環戊二烯加成而得；

(10) Cyclopentadiene is also used in drug synthesis. For example, the intermediate of weichangle, α - cyclopentadienyl mandelic acid methyl ester, is obtained by the addition of methyl phenylglyoxylate and cyclopentadiene;

（11）加氫后用作高能燃料。

(11) After hydrogenation, it is used as high energy fuel.

雙環戊二烯的用途：可用作乙丙橡膠的第三單體。用于合成亞乙基降冰片烯,亦用作乙丙橡膠第三單體。與順酐反應得到降冰片烯二酸酐,用作環氧樹脂固化劑。雙環戊二烯對桐油、亞麻仁油、大豆油、魚油等改性,可加快干燥性,提高耐水、耐堿性。用于經營環戊二烯樹脂、油漆和涂料等的原料。加氫后用作高能燃料。

Application of dicyclopentadiene: it can be used as the third monomer of ethylene propylene rubber. It is used in the synthesis of ethylidene norbornene and the third monomer of ethylene propylene rubber. Norbornenedicarboxylic anhydride was synthesized from maleic anhydride and used as curing agent of epoxy resin. The modification of tung oil, linseed oil, soybean oil and fish oil by dicyclopentadiene can accelerate the drying property and improve the water and alkali resistance. It is used for raw materials of cyclopentadiene resin, paint and coating. After hydrogenation, it is used as high energy fuel.

雙環戊二烯的用途：主要用于醫藥、農藥、合成樹脂、香料、合成橡膠等領域。可用于經營金剛烷、2-氯-5-氯甲基吡啶、金屬茂、戊二醛、氨基甲酸酯、環氧樹脂固化劑、阻燃劑、雙環戊二烯氯化物（殺蟲劑）等。

Application of dicyclopentadiene: mainly used in medicine, pesticide, synthetic resin, perfume, synthetic rubber and other fields. It can be used in adamantane, 2-chloro-5-chloromethylpyridine, metallocene, glutaraldehyde, carbamate, epoxy curing agent, flame retardant, dicyclopentadiene chloride (insecticide), etc.