7444. Pindone

Nomenclature

CAS number: 83-26-1
2-(2,2-Dimethyl-1-oxopropyl)-1H-indene-1,3(2H)-dione; 2-pivaloyl-1,3-indandione; 2-pivalyl-1,3-indandione; 2-trimethylacetyl-1,3-indandione; pivalyl indandione; pivaldione; Pival (Kilgore); Pivalyl Valone (Kilgore); Tri-Ban.
C14H14O3; mol wt 230.26.
C 73.03%, H 6.13%, O 20.85%.

Description and references

Prepn: Kilgore et al., Ind. Eng. Chem. 34, 494 (1942); Zelmens, Vanags, C.A. 53, 21830d (1959). Toxicity study: T. B. Gaines, Toxicol. Appl. Pharmacol. 14, 515 (1969).

Chemical structure

Properties

Bright yellow crystals from ethanol, mp 108-110°. LD50 orally in male rats: 280 mg/kg (Gaines).

Derivative

Sodium salt.

Nomenclature

Pivalyn (Kilgore).

Properties

Bright yellow crystals, mp 205-210°. Schwarz, US 2880132 (1959 to Morton Chem.). Sol in water.

Caution

Potential symptoms of overexposure are epistaxis, excess bleeding from minor cuts and bruises; smoky urine, black tarry stools; abdominal and back pain. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 258.

Use

Rodenticide; insecticide.