Propazine
Chemical name: Propazine
CAS No.: 139-40-2
Empirical formula: C9H16ClN5
Structural formula:
Molecular mass: 229.7
Basic chemical and physical data: The pure Propazine is white crystal, m.p. 212 – 214℃, vapor pressure 0.0039mmPa at 20℃, ρ1.162g/cm3 at 20℃. Solubility in water: 5mg/L (20℃); 6.2g/kg in benzene and toluene (22℃); 2.5g/kg in carbon tetrachloride. This material is stable in normal conditions, but it will decompose in strong acid or strong base. This material is non-flammable, non-explosive, and non-corrosive.
Usage: Propazine is used as a selective triazine herbicide. It is used as pre-emergency to control the broad-leaf weeds in the fields of sorghum & umbelliferae.
Toxicity: The acute oral LD50 for rats is more than 4640mg/kg, the acute dermal LD50 for rats is more than 2000mg/kg. It is not a irritant to skin and eye of rabbit.
Storage: Propazine shall be stored in a cool, dry and well ventilated place. It should not be stored or transported along with foods.
Package: 25kg woven bag, or 500kg big-bag, or according to the customer’s requirements.
Attention: It is effective to the fresh budding weeds.
Formulation: 80%WP
  Specification of technical:

Appearance: Off-white powder

Content of A.I.: 97.0% min.

Content of NaCl: 1.0% max.

Loss on drying: 1.0% max.

Fineness (pass through 325 mesh sieve): 98.0% min.