Prohexadione
Title: Prohexadione
CAS Registry Number: 88805-35-0
CAS Name: 3,5-Dioxo-4-(1-oxopropyl)cyclohexanecarboxylic acid
Additional Names: 3,5-dioxo-4-propionylcyclohexanecarboxylic acid
Molecular Formula: C10H12O5
Molecular Weight: 212.20
Percent Composition: C 56.60%, H 5.70%, O 37.70%
Literature 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.
Properties: mp 98-99°.
Melting point: mp 98-99°
 
Derivative Type: Calcium salt
CAS Registry Number: 127277-53-6
Manufacturers' Codes: BX-112; KIM-112; KUH-833
Trademarks: Medax (BASF); Viviful (Kumiai)
Molecular Formula: C10H10CaO5
Molecular Weight: 250.26
Percent Composition: 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).
Melting point: mp >360°
Toxicity data: 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.

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