Properties
- Melting point:
- 143-144 °C(lit.)
- Boiling point:
- 496.11°C (rough estimate)
- Density
- 1.75 g/cm3
- vapor density
- 13.2 (vs air)
- vapor pressure
- 30.7 and 58.5 at 20 and 25 °C, respectively (gas saturation-GC, Grayson and Fosbraey, 1982)
- refractive index
- 1.5550 (estimate)
- Flash point:
- 2 °C
- storage temp.
- APPROX 4°C
- solubility
- Soluble in ethanol and benzene (Weast, 1986)
- Water Solubility
- 195ug/L(25 ºC)
- Merck
- 3103
- BRN
- 91396
- Henry's Law Constant
- 27.6 at 5 °C, 63.2 at 15 °C, 82.9 at 20 °C, 97.7 at 25 °C, 217 at 35 °C:in 3% NaCl solution: 66.1
at 5 °C, 158 at 15 °C, 395 at 25 °C, 507 at 35 °C (gas stripping-GC, Cetin et al., 2006)
- Exposure limits
- NIOSH REL: TWA 0.25 mg/m3, IDLH 50 mg/m3; OSHA PEL: TWA 0.25 mg/m3; ACGIH TLV: TWA 0.25 mg/m3.
- Stability:
- Stable. Breakdown product of aldrin in the environment. Incompatible with acids, active metals and strong oxidizing agents.
Safety Information
Use
Dieldrin was first used by cotton growers in the 1950s; it has subsequently been used on other crops for the control of vectorborne diseases and for mothproofing woolen goods. Dieldrin, as well as other cyclodiene insecticides, is uniquely suited for the control of termites.