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9007-97-0

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9007-97-0 Structure

9007-97-0 Structure
IdentificationBack Directory
[Name]

Gutta-percha
[CAS]

9007-97-0
[Synonyms]

Gutta-percha
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[Chemical Properties]

Gutta percha is a tough horny substance which is essentially non-elastic. It is a crystalline material which can exist in two forms. As obtained from the tree it is in the α-form (m.p. 65°C); rapid cooling of the melt gives the β-form (m.p. 56°C). The β-form slowly reverts to the α-form.
[Uses]

Gutta percha has a lower water absorption than natural rubber and is a good dielectric. On account of these properties, gutta perch a was once used for underwater cable insulation but it has now been displaced by newer materials.
[Preparation]

Balata is obtained from the latex of trees grown mainly in Central America. The coagulated material consists of approximately equal amounts of high trans-l,4-polyisoprene and resins.
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