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.   |