Title: Bordeaux Mixture
CAS Registry Number: 8011-63-0
Literature References: Mixture of calcium hydroxide (hydrated lime) and copper(II) sulfate, q.q.v. Prepn and use vs downy mildew on grapes: Millardet, J. Agric. Prat. (Paris) 49, 513 (1885); see also: D. E. H. Frear, Pesticide Index (College Science, 4th ed., 1969) p 72. Field trial vs pink disease in mandarin oranges: P. M. Pradhanang, Crop Prot. 13, 550 (1994); vs Persian walnut blight: A. Belisario, A. Zoina, Eur. J. Forest Pathol. 25, 224 (1995). Effects on Sauvingnon grape composition and wine aroma: E. Hatzidimitriou et al., J. Int. Sci. Vigne Vin 30, 133 (1996).
Properties: Fine, blue pptd powder. Insol in water.
Derivative Type: Burgundy Mixture
CAS Registry Number: 11125-96-5
CAS Name: Carbonic acid disodium salt, mixt. with copper(2+) sulfate (1:1)
Literature References: Analog to Bordeaux mixture produced from copper(II) sulfate and sodium carbonate, q.q.v. Prepn and use vs downy mildew on grapes: E. Masson, J. Agric. Prat. (Paris) 51, 814 (1887); see also: Frear, Chemistry of the Pesticides (Van Nostrand, 3rd ed., 1955) p 322. Review of chemistry: R. L. Mond, C. Heberlein, J. Chem. Soc. 115, 908-922 (1919).
Properties: Blue to green colloidal ppt. Practically insol in water.
Use: Fungicide. |