| Bordeaux mixture
overview. |
| Name (Merck Index):
|
Bordeaux mixture |
| Used for control
of: |
Plant pathogenic fungi
and oomycetes: in this context, the most important is Phytophthora infestans
(late potato blight) |
| Trade names: |
Bordeaux mixture; Bor-Dax;
Copper Hydro Bordo; Fungi-Bordo |
| Available for distribution
as: |
Sold as a dry powder
dispersed. |
| Manufacturers: |
Caffaro, Ingeniera
Industrial; Tomono |
| Risk
to humans and mammals: |
Not
generally considered acutely toxic to humans or mammals. |
| Risk
and Hazard Warnings |
No
immediate risks. Repeated exposure to copper salts, such as Bordeaux
mixture, can cause liver and kidney damage. Protective clothing and
masks are recommended when working with Bordeaux mixture. |
| Warning Symbols |
None
found |
| First
Aid |
Thoroughly
wash contaminated areas with water. Urgent medical attention is not
required, but those exposed to large quantities of Bordeaux mixture
should seek medical advice as soon as is convenient. |
| Risk to other animals: |
Toxic to fish, not toxic to
insects. |
| Risk to plants: |
Should only be used as a foliar
application at a point in plant development when the risk of phytotoxicity
is low. |
| Other comments: |
Bordeaux mixture blocks
the germination of fungal spores and should only be used before spore germination. |
| Chemical Structure: |
A mixture of calcium hydroxide
and copper (II) sulfate. The molecular formula H2Ca3Cu4S2O10 is often attached
to it. |
| Chemical Abstracts
name: |
Bordeaux mixture |
Registry number
(CAS#): |
8011-63-0 |
| IUPAC name: |
A mixture, with or without
stabilizing agents, of calcium hydroxide and copper (II) sulfate. |
| RTECS
number: |
None |
| Chemical properties: |
Insoluble in water and
most common solvents. Is incompatible with alkali-labile pesticides, especially
organophosphates and carbamates. Reacts strongly with alkaline materials
such as lime-sulfur. |
| Other trivial names: |
BBS, Bordocure, Bordolex,
Cofol, Comac, Cuprix, Cuprocal, Idrorame, Poltan. A mixture with mancozeb
is called FT 2M |
| Pesticides can only
be regarded as safe if used in accordance with the manufacturer's
instructions. |