Isobenzan

Isobenzan[1][2]
Names
IUPAC name
1,3,4,5,6,7,8,8-Octachloro-1,3,3a,4,7,7a-hexahydro-4,7-methanoisobenzofuran
Other names
Telodrin; 1,3,4,5,6,7,8,8-Octachloro-4,7-methylene-3a,4,7,7a-tetrahydro-isobenzofuran
Identifiers
297-78-9 YesY
Jmol interactive 3D Image
KEGG C18960 YesY
RTECS number PC1225000
Properties
C9H4Cl8O
Molar mass 411.73 g·mol−1
Appearance Whitish to light brown crystalline powder
Density 1.87 g/cm3
Melting point 121.3 °C (250.3 °F; 394.4 K)
Practically insoluble
Hazards
T+, N
R-phrases R27/28 R50
S-phrases S28 S36/37 S45 S61
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 4: Very short exposure could cause death or major residual injury. E.g., VX gas Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
0
4
0
Flash point Non-flammable
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Isobenzan (telodrin) is a highly toxic organochloride insecticide. It was produced only in the period from 1958 to 1965 and its use has been since discontinued.[1] It is a persistent organic pollutant that can remain in soil for 2 to 7 years, and the biological half-life of isobenzan in human blood is estimated to be about 2.8 years.[1]

References

  1. 1 2 3 Isobenzan, International Programme on Chemical Safety
  2. ↑ Isobenzan at Sigma-Aldrich


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