CAS No 51-03-6 , 5-[2-(2-butoxyethoxy)ethoxymethyl]-6-propyl-1,3-benzodioxole

Title: Piperonyl Butoxide
CAS Registry Number: 51-03-6
CAS Name: 5-[[2-(2-Butoxyethoxy)ethoxy]methyl]-6-propyl-1,3-benzodioxole
Synonyms: a-[2-(2-butoxyethoxy)ethoxy]-4,5-methylenedioxy-2-propyltoluene; [3,4-(methylenedioxy)-6-propylbenzyl] butyl diethyleneglycol ether; 6-propylpiperonyl butyl diethylene glycol ether; butylcarbityl (6-propylpiperonyl) ether
Manufacturers' Codes: ENT-14250
Trademarks: Butacide (Roussel Uclaf)
Molecular Formula: C19H30O5
Molecular Weight: 338.44
Percent Composition: C 67.43%, H 8.93%, O 23.64%
Literature References: Prepn: H. Wachs, US 2485681; US 2550737 (1949, 1951 both to U.S. Industrial Chemicals); idem, Science 105, 530 (1947). Toxicity: T. B. Gaines, Toxicol. Appl. Pharmacol. 14, 515 (1969). Review of carcinogenic risk: IARC Monographs 30, 183-195 (1983).
Properties: Liquid. d 1.04-1.07. bp1.0 180°. nD20 1.50. Flash pt 340°F. Miscible with methanol, ethanol, benzene, Freons, Geons, other organic solvents, oils. LD50 orally in female, male rats: 6150, 7500 mg/kg (Gaines).
Boiling point: bp1.0 180°
Flash point: Flash pt 340°F
Index of refraction: nD20 1.50
Density: d 1.04-1.07
Toxicity data: LD50 orally in female, male rats: 6150, 7500 mg/kg (Gaines)
 
Derivative Type: Mixture with synthetic pyrethroids
Trademarks: Derringer (Roussel Uclaf); Duracide (Endura); Grovex (Groves); Prentox (Prentiss); Scourge (Roussel Uclaf)
 
Derivative Type: In combination with rotenone
Trademarks: PB-NOX (Roussel-Bio); Chem-Fish (Tifa); Rotacide (Roussel Uclaf)
 
CAUTION: Large doses have caused vomiting, diarrhea: Sarles et al., Am. J. Trop. Med. 29, 151 (1949).
Use: Insecticide synergist, especially for pyrethroids and rotenone.