Copper sulfate basic(1344-73-6)
Copper sulfate basic
CAS: 1344-73-6
Molecular Formula: CuH2O8S2
Copper sulfate basic(1344-73-6) - Names and Identifiers
| Name | Copper sulfate basic |
| Synonyms | Basic copper sulfate Copper sulfate basic COPPERSULPHATE,BASIC Copper sulfate basic(1344-73-6) Sulfuric acid, copper salt, basic |
| CAS | 1344-73-6 |
| EINECS | 215-708-7 |
Copper sulfate basic(1344-73-6) - Physico-chemical Properties
| Molecular Formula | CuH2O8S2 |
| Molar Mass | 257.69 |
| Storage Condition | RT, dry |
Copper sulfate basic(1344-73-6) - References
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Low toxicity bactericide | basic copper sulfate is a protective low toxicity bactericide, commonly known as Bordeaux powder, Bao Guo Ling, Green Bao, bactericidal special, duodining, with fine particle size, good dispersion, resistance to rain erosion and other characteristics, suspension agent is also added with adhesive, liquid can be adhered to the plant surface to form a protective film, good coloring, fruit surface clean. Contains a lot of calcium, boron, zinc, manganese and other trace elements, can significantly improve the yield and fruit quality. Is the production of green food and organic food fungicide of choice. The active ingredient of the preparation relies on the acidification of the water on the plant surface, gradually releasing copper ions, inhibiting the germination of fungal spores and the development of hyphae. Safe for people and livestock, toxic to silkworm. Common formulations are 80% wettable powder, 30% and 35% suspension. Mainly used for the prevention and control of pear scab, before the onset and early onset with 80% basic copper sulfate wettable powder 600~800 times liquid, or 30% basic copper sulfate suspension 350~500 times liquid spray, spray every 10 to 15 days, a total of 5 to 6 times. |
| Bordeaux mixture | a protective fungicide, a mixture of copper sulfate and calcium hydroxide, the active ingredient is basic copper sulfate. Can be made of copper sulfate, lime and water in proportion, according to the proportion of copper sulfate and lime, can be divided into equivalent formula (1:1), half formula (1:0.5), multiple formula (1:2), multiple formula (1:3-5) and small formula (1:0.25-0.4) several categories. A multiple of the Bordeaux mixture indicates the ratio of copper sulfate to water. For example, a 200-fold Bordeaux mixture indicates 1 part of copper sulfate in 200 parts of water. Common dosage forms on the market are 80% Bordeaux mixture wettable powder, 35% basic copper sulfate suspension, 50%, 80% wettable powder. Bordeaux mixture is a pesticide, which mainly uses heavy metal ions Cu2 + to kill pests. For the prevention and control of Rice fever, Cotton leaf spot and Bell rot, potato late blight, tobacco anthracnose, cabbage, cucumber downy mildew; A variety of fruit tree diseases, such as grape downy mildew, Black pox, brown spot, room blight; citrus canker, scab, anthracnose, scab; Apple rust, early defoliation, anthracnose; Pear rust, scab, ring rot; Persimmon round spot, angular spot; Jujube rust. It can also be used as a wound protective agent. Tomatoes, melons, sweet (hot) Pepper and other vulnerable to lime injury, should choose half the amount of the type or the same amount of Bordeaux mixture, cabbage, beans, lettuce and other vulnerable to copper injury, should choose the amount of the type of Bordeaux. Should choose a sunny spray, rainy and fog weather and crop flowering, prone to Phytotoxicity, should not be used. Chemical Book analysis (2011-02-08) |
| Usage | 1. Control cucumber bacterial angular leaf spot, anthracnose, potato late blight, tomato early blight, late blight, gray mold, leaf mold, spot blight, canker disease, sweet (hot) pepper anthracnose, soft rot, scab disease, eggplant cotton blight, brown grain disease, bean rust, bean bacterial blight, anthracnose, cowpea coal mold, lettuce downy mildew, Ginger rot disease, etc., can be used 1: 1: 200 times (copper sulfate: Lime: water, the same below) of the Bordeaux liquid spray. 2. To control cucumber downy mildew, Phytophthora Blight, gummy blight, onion downy mildew, onion purple spot disease, spray with 1:0.5:240-300 ratio. 3. To control celery spot blight and spot disease, use 1:0.5: 200 times the proportion of spray. 4. For controlling Vicia faba red spot disease, spray with 1: 1: 250 ratio. 5. To control rape and pea downy mildew, spray with 0.5: 1: 100 ratio. 6. For young plants or crops that are more resistant to the Bordeaux mixture, add more lime or use a lower concentration, in general, the amount of lime is suitable (0.5: 1: 100). 7, some crops or fruit trees, dormant period of resistance is strong, should increase the concentration. Some crops are vulnerable to lime injury, should reduce the amount of 1: 0.5: 100 ratio. |
| Use | use as sterilant, insecticide, etc |
Last Update：2024-04-09 19:05:17
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