Dienochlor
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Names | |
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IUPAC name
1,2,3,4,5-Pentachloro-5-(1,2,3,4,5-pentachlorocyclopenta-2,4-dien-1-yl)cyclopenta-1,3-diene
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Other names
Decachlor, perchlorbis(cyclopenta-2,4-dien-1-yl), pentac
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.017.058 |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C10Cl10 | |
Molar mass | 474.61 g·mol−1 |
Appearance | Yellow crystalline solid |
Density | 1.923 g/cm3 |
Melting point | 122–123 °C (252–253 °F; 395–396 K) |
Boiling point | 250 °C (482 °F; 523 K) |
Practically insoluble in water | |
Hazards | |
GHS labelling: | |
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Warning | |
H302, H319, H400 | |
P264, P270, P273, P280, P301+P312, P305+P351+P338, P313, P330, P337, P391, P501 | |
Flash point | 187.8 °C (370.0 °F; 460.9 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Dienochlor is an organochlorine compound included in the group of cyclic chlorinated hydrocarbons. Its chemical formula is C
10Cl
10.[1] Dienochlor is mostly used as a pesticide and ovicide.
Synthesis
[edit]Dienochlor can be obtained by catalytic reduction of hexachlorocyclopentadiene (e.g. with copper or hydrogen).[2]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Dienochlor_synthesis.svg/300px-Dienochlor_synthesis.svg.png)
Properties
[edit]Dienochlor is a combustible yellow solid which is practically insoluble in water. It decomposes when heated above 250 °C. It decomposes rapidly under the influence of sunlight.
Applications
[edit]Dienochlor is used as an acaricide under the trade name Pentac for combating mites (Tetranychus, Polyphagotarsonemus latus) on roses, chrysanthemums, and other ornamental plants.[3]
Regulations
[edit]Dienochlor was approved for use in the Western Germany between 1971 and 1990. In the European Union, no plant protection products containing dienochlor are authorized.[4]
References
[edit]- ^ "Dienochlor". Retrieved 1 June 2017.
- ^ "Dienochlor PESTANAL®, analytical standard". Sigma Aldrich. sigmaaldrich.com.
- ^ "PENTAC". toxnet.nlm.nih.gov. Retrieved 1 June 2017.
- ^ "VERORDNUNG (EG) Nr. 2076/2002 DER KOMMISSION". eur-lex.europa.eu. Retrieved 1 June 2017.