Common name: Chlorothalonil
Chlorothalonil Chemical Name: 2.4, 5, 6-tetrachloro-1, 3-benzenedicarbonitrile
Formula: C8Cl4N2
Molecular weight: 265.89
CAS No.: 1897-45-6
Structure:
Description: Appearance: White and inodorous crystal
Melting Point: 250-251C
Vapour Pressure: 1.3 MPa at 25C.
Stability: Stable in water 0.6 mg/L at 25C, Easy dissolves in alcohol, dichloromethane, benzene, toluene etc. Many solvents. Hardly dissolves in ethylene glycol, petroleum.
Toxicity: Oral LD50 (Rat)>10, 000 mg/kg. Inhalation LC50 Actual airborne concentration: (1 h. ) 0.52 mg/l; (4 h. ) 0.1 mg/l. Dermal LD50 (Rabbit) >10, 000 mg/kg. Skin, eye irritant
Specification: 97%TC, 50%SC, 720SC, 75%WP, 75%WDG

Uses: It is a kind of non-imbibed and broad bactericide with high effciency, low toxicity, it is widely used in prevention and cure o plant mycosis for vegetable, fruit tree, flowers, tobacco, tea tree, and other economical plant, legumina, rice, wheat, and forest. It is applied to industry as antiseptic for dope, wiring, leat-her, paper and cloth etc.
Name of productChlorothalonil 98% Tech
Mol. Formula C8Cl43N2
CAS 1897-45-6
Index nameIndex valueMeasured value
AppearanceWhite powderWhite powder
Assay (%)≥ 98.0

98.3
pH value5.0-7.05.6
HCB≤ 40PPM30PPM
Insoluble in Xylene (%)0.350.02
Name of product Chlorothalonil 500g/l SC
Index nameIndex valueMeasured value
DescriptionFlowable white or off-white liquidFlowable white liquid
Content(g/l) ≥ 500502
pH Value % 5.0-8.56.7
Suspensibility (%) ≥ 90.091.6
HCB100ppm maxPassed
Foam(1 min) 25 ml10ml
Density 1.251.25
Name of product Chlorothalonil 720 SC
Index nameIndex valueMeasured value
DescriptionFlowable white or off-white liquidFlowable white liquid
Content(g/l) ≥ 720733
pH Value % 5.0-8.57.1
Suspensibility (%) ≥ 98.099.6
HCB100ppm max86
Foam(1 min) 25 ml10ml
Density 1.251.25