Price for Fungicide Blue Copper Hydroxide 77%WP 37.5%SC 57.6%WDG

Active ingredient

Copper hydroxide

Chemical name

copper hydroxide (Cu(OH)2)

Classification

Fungicide / Agrochemical

Formulation

77% WP 57.6% WDG, 37.5% SC

Biochemistry

Non-specific thiol reactant, inhibiting respiration. Copper-II-ion (Cu++) is taken up by the spores during germination and
accumulates until a sufficiently high concentration is achieved to kill the spore cell; the activity is limited to the prevention
of spore germination.

Mode of action

Protectant fungicide and bactericide. Deposits must be on the crop before fungal spores begin to germinate.

Usage

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 l.

Mammalian Toxicology

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.

Certificate of quality

Copper hydroxide 77% WP

Item
Appearance
Content of Copper hydroxide
Suspensibility
Wetting time
Fineness (through 45um test sieve)
Moisture
pH

Specification
Blue powder
≥77%
≥70%
≤60s
≥98%
≤3.0%
6.0-9.0