Detail of "497-95-0"

CAS Number:
497-95-0
Name:
Cyclopropanecarboxylicacid, 3-(2-carboxy-1-propen-1-yl)-2,2-dimethyl-
Molecular Structure:
Formula:
C10H14 O4
Molecular Weight:
198.22
Synonyms:
Chrysanthemumdicarboxylicacid (6CI); Cyclopropaneacrylic acid, 3-carboxy-a,2,2-trimethyl- (7CI,8CI); Cyclopropanecarboxylicacid, 3-(2-carboxy-1-propenyl)-2,2-dimethyl- (9CI)
Density:
1.315g/cm³
Boiling Point:
378.5°Cat760mmHg
Flash Point:
196.9°C

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Analysis of pyrethroids on grains: Analysis of pyrethroids on grains. Desmarchelier, J.Some chemicals with cas registry numbers like 497-95-0 and 26002-80-2 are also used. M. (Div. Entomol., CSIRO, Canberra, Aust.). J. Stored Prod. Res., 12(4), 245-52 (English) 1976. CODEN: JSTPAR. DOCUMENT TYPE: Journal CA Section: 17 (Foods) Section cross-reference(s): 5 Two general procedures involving chromatog. and colorimetry are outlined for detn. of pyrethroid derivs. of chrysanthemic acid [10453-89-1] on wheat, wheat milling fractions, polished rice, corn, sorghum, oats and barley. Although limits of detection ranged upwards from 0.02 .mu.g, residues in the range 0.1-4 ppm were readily detd. with inexpensive equipment after suitable clean-up procedures. Wheat treated some months before anal. with bioresmethrin [28434-01-7] was analyzed by the 2 general procedures for derivs. of chrysanthemic acid, and also by 2 procedures specific for detn. of bioresmethrin. Results from all 4 procedures were comparable. One of the procedures for identification of chrysanthemic acid also enabled identification of pyrethroid derivs. of chrysanthemumdicarboxylic acid [497-95-0] and 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acid [55701-05-8]. Thus, a wide range of commodities can be screened for the presence of com. pyrethroids. In addn., anal. studies on individual pyrethroids can be performed by use of a general method. .