Copper Hydroxide ( Cupic Hydroxide)
Specification: 95%TC, 50%WP, 77%WP
Chemical Name: copper hydroxide (Cu(OH)2)
Formula: Cu(OH)2
Molecular Weight: 97.561
CAS No.: 20427-59-2
EINECS No.: 243-815-9; 215-705-0
Description:
Appearance: new ones are slight blue, after a purchase become blue-green powder.
Melting Point: 80 °C (decomp into CuO)
Stability: Difficult soluble in water. Decompose up 80ºC.
Toxicity:
Oral Acute oral LD50 for rats 489 mg/kg (tech.).
Skin and eye Acute percutaneous LD50 for rabbits >3160 mg/kg. Severely irritating and corrosive to eyes, mild skin irritant.
Inhalation LC50 > 2 mg/l air.
Toxicity class WHO (a.i.) III; EPA (formulation) III
Uses: Protectant fungicide and bactericide. Deposits must be on the crop before fungal spores begin to germinate. For control of Peronosporaceae in vines, hops, and brassicas; Alternaria and Phytophthora in potatoes; Septoria in celery; and Septoria, Leptosphaeria, and Mycosphaerella in cereals, at 2-4 kg/ha or 300-400 g/100
CERTIFICATE OF ANALYSIS
| Name of product |
COPPER HYDROXIDE 97%TC |
| Index name |
Index value |
| Appearance |
Blue powder |
| Content (%) |
≥97.00 |
| Copper content(Cu,%) |
≥63.00 |
| Cadmium(Cb,%) |
≤ 0.0010 |
| Arsenic(As,%) |
≤ 0.010 |
| Lead(Pb,%) |
≤ 0.020 |
| Hydrochloric acid insolubles (%) |
≤ 0.200 |
| Iron(Fe,%) |
≤ 0.100 |
| PH Value(10%) |
6.5-7.5 |
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