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Dicyclopentadiene

Dicyclopentadiene, abbreviated DCPD, is the dimer of cyclopentadiene (CPD). In the pure state DCPD is a volatile solid with a characteristic odour. Dicyclopentadiene is coproduced in large quantities in the steam cracking of naphtha and gas oils to ethylene. In addition, it can be prepared in a Diels-Alderreaction of 2 cyclopentadiene molecules.

  • Synonyms: 4,7-Methano-3a,4,7,7a-tetrahydroindene, Cyclopentadiene dimer, DCPD, Dicyclopentadiene
  • Empirical Formula (Hill Notation): C10H12
  • CAS Number: 77-73-6
  • Molecular Weight: 132.20
SKU: JY2301221559 Category: Tags: , Manufacturer and Supplier: Subsidiary of Junyuan Petroleum Group -

Description

Dicyclopentadiene, abbreviated DCPD, is a chemical compound with formula C10H12. At room temperature, it is a white crystalline solid with a camphor-like odor. Its energy density is 10,975 Wh/l. Dicyclopentadiene is coproduced in large quantities in the steam cracking of naphtha and gas oils to ethylene. The major use is in resins, particularly, unsaturated polyester resins. It is also used in inks, adhesives, and paints.

Most dicyclopentadiene is used as co-monomer in the production of synthetic resins, in particular unsaturated polyesters and synthetic rubbers, for example EPDM. Poly (DCPD), which contains some dicyclopentadiene as monomer is used in printing inks and engineering plastics.

Substance name: DICYCLOPENTADIENE
Trade name: 3a,4,7,7a-tetrahydro-4,7-methanoindene
EC No: 201-052-9
CAS No: 77-73-6
HS code: 29021900

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. 196242, 50.

Product Specification

CAS Number 77-73-6
Grade Standard Technical Grade
Packaging Size 200 L
Packaging Type drum
Physical State Liquid
Usage/Application Industrial
Appearance liquid

Product Description

Specification

Product name                  Dicyclopentadiene

Other name                     DCPD

Appearance                     Clear liquid

CAS No.                          77-73-6

EINECS No.                     201-052-9

Formula                          C10H12

Purity                              97%

Water content                 ≤0.05%

Melting point                   170 °C(lit.)

Boiling point                    33 °C(lit.)

Density                           0.986 g/mL at 25 °C(lit.)

Appearance White or Colorless to Almost white or Almost colorless powder to lump to clear liquid
Purity(GC) min. 97.0 %
Properties (reference)
Melting Point 32 °C
Boiling Point 167 °C
Flash point 44 °C
Refractive Index 1.51
Solubility in water Insoluble
Degree of solubility in water 40 mg/l
Solubility (soluble in) Alcohol,Toluene,Ether,Acetone,dichloromethane
GHS
Pictogram    
Signal Word Danger
Hazard Statements 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.
Precautionary Statements 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.
Related Laws:
RTECS# PC1050000
Transport Information:
UN Number UN2048
Class 3
Packing Group III
H.S.code* 2902.19-000

Boiling point: 170℃-lit

Melting Point: 33℃-lit

Flashpoint: 32℃-closed-up

Packing: in drums of 200kg net weight each, 16MT/20″FCL

UN: 2048,

Class: 3

PG: III

*This code is applied to the products when TCI exports from Japan and not for import in your country.

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