Chlorothalonil leaf spot, fruit rot, mildew Natural Plant Fungicide 1897-45-6, 37223-69-1

Product kind

Fungicide

Common Name

Chlorothalonil

Chemical name

Tetrachloroisophthalodinitrile

Molecular Formula

C₈Cl₄N₂

Molecular Weight

265.91

CAS Registry Number

1897-45-6 (37223-69-1)

Properties:

Tech: White crystalline solid. Melting point 250-251°C. Thermally stable under normal storage conditions. Stable to ultraviolet radiation. Stable in neutral or acidic aqueous media. Half- life of 38.1 days in aqueous media at pH 9. Non-corrosive. Odorless in pure form. Nonvolatile under normal field conditions. Vapor pressure, 5.72 × 10-7 torr at 25°C. Slightly soluble in xylene, acetone.

Uses:

Mode of Action:

Chlorothalonil is a multi-site inhibitor affecting various enzymes and other metabolic processes in fungi. It inhibits spore germination, and is toxic to fungal cell membranes.

Types of Formulation: Flowable, solution, soluble dispersible granule, dust. Some formulations also contain other fungicides.

What it controls:

Chlorothalonil is effective against fungal diseases such as grey mold, early and late blights, leaf spots, anthracnose, fruit rots, rusts and downy mildews that threaten numerous vegetable, small fruit, stone fruit, ornamental, turf and other agricultural crops. Note: the specific crop-disease combination must be on the label.

Application Timing:

The timing of application depends on the fungus to be controlled, and the growth stage of the plants to be protected. Refer to the label for detailed instructions on rates and application timing for the specific crop and disease.

Toxicity:

Oral LD50 >10, 000 mg/kg. Inhalation LC50 Actual airborne concentration: (1 h.) 0.52 mg/l; (4 h.) 0.1 mg/l. Nominal: (1 h.) 7.9 mg/l; (4 h.) 0.62 mg/l. (Rabbit): Dermal LD50 >10, 000 mg/kg. Skin, eye irritant

Type of formulation:

98% Tech25% 50% WP 40% 50% SC

Packing Details

200 litre iron drums or 1 litre bottle or AL. BAG

Specification

TECH

75WP

50SC

72SC

Appearance:

White powder

White powder

White liquid

White liquid

A.I. content:

96.0min

75min.

50.0min.

72.0min.

pH value:

3.5-7

5-8

5-8

6-9

Hexachlorobenzene content%:

0.03max.

0.02max.

Fineness%:

98min(400#mesh)

98min.(45μm mesh)

98min.(45μm mesh)

99min. (44μm mesh)

Permanent foam(ml) :

25max

Suspensibility%:

80min.

95min.

90min.

Wetting time(s):

60max.