7777. Prohexadione

Nomenclature

CAS number: 88805-35-0
3,5-Dioxo-4-(1-oxopropyl)cyclohexanecarboxylic acid; 3,5-dioxo-4-propionylcyclohexanecarboxylic acid.
C10H12O5; mol wt 212.20.
C 56.60%, H 5.70%, O 37.70%.

Description and references

Gibberellin biosynthesis inhibitor. Prepn: K. Motojima et al., EP 123001; eidem, US 4678496 (1984, 1987 both to Kumiai). Review of properties and field trials: T. Miyazawa et al., Brighton Crop Prot. Conf. - Weeds 1991, 967-972.

Chemical structure

Properties

mp 98-99°.

Derivative

Calcium salt.

Nomenclature

CAS number: 127277-53-6
BX-112; KIM-112; KUH-833; Medax (BASF); Viviful (Kumiai).
C10H10CaO5; mol wt 250.26.
C 47.99%, H 4.03%, Ca 16.01%, O 31.97%.

Properties

Fine white powder, mp >360°. Vapor pressure (20°): 1.335 × 10-5 Pa. Soly at 20° (mg/l): water 174.2; methanol 1.11. LD50 in rats (mg/kg): >5000 orally; >2000 dermally; LC50 in carp, bluegill sunfish, rainbow trout (mg/l): >150, >100, >100 (Miyazawa).

Use

Plant growth regulator.