Hexachlorocyclopentadiene - CAS # 77-47-4

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Chemical Name:  Hexachlorocyclopentadiene

Chemical Formula:  C₅Cl₆

CAS Number:  77-47-4

Synonyms:  C 56;Cyclopentadiene, Hexachloro-;Graphlox;Hexachloro-1,3-cyclopentadiene;Hexachlorocyclopentadiene;HRS 1655;Perchlorocyclopentadiene;1,2,3,4,5,5-Hexachloro-1,3-Cyclopentadiene;1,3-Cyclopentadiene, hexachloro-;Hexachlorcyklopentadien;NCI-C55607;Perchloro-1,3-cyclopentadiene;Hccpd;PCL;Rcra waste number U130;UN 2646;1,2,3,4,5,5-Hexachloro-cyclopenta-1,3-diene

Appearance:  pale yellow liquid

Melting Point:  -9 C

Boiling Point:  239 C at 753 mm Hg

Vapor Density:  9.42 (air = 1)

Vapor Pressure:  0.08 mm Hg at 25 C

Water Solubility:  negligible

Stability:  Stability Stable, but light-sensitive. Non-flammable. Very reactive with alkenes and polynuclear hydrocarbons. Explosive with sodium. Incompatible with strong oxidizing agents, most common metals.

Molecular Weight:  272.7697

Alternate Names:  Hexachlorocyclopentadiene | HXCCYPNDE

Department:  Organics

Related Hazardous Material Name:  Hexachlorocyclopentadiene

Emergency Response Guide Number:  151


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