Proquinazid Chemical Properties

storage temp. 

Hygroscopic, -20°C Freezer, Under inert atmosphere

solubility 

DMSO (Slightly, Heated), Methanol (Slightly)

color 

White to Off-White

EPA Substance Registry System

4(3H)-Quinazolinone, 6-iodo-2-propoxy-3-propyl- (189278-12-4)

Safety Information

Hazard Codes 

N

Risk Statements 

50/53

Safety Statements 

60-61

RIDADR 

UN 3077 9 / PGIII

WGK Germany 

3

Proquinazid Usage And Synthesis

Chemical Properties

Pure product is white crystalline solid, melting point 61.5-62 ℃, vapor pressure 9 × 10-2mPa (25 ℃), KowIgP = 5.5, Henry's constant 3 × 10-2Pa - m3/mol, relative density 1.57 (20 ℃). Solubility in water 0.93 mg/L (pH 7.25°C). Solubility in organic solvents (25℃, g/L): acetone, dichloromethane, DMF, ethyl acetate, n-hexane, n-octanol, o-xylene in >250 (g/kg ,25℃), acetonitrile 154, methanol 136.Stability:pH 4, 7 and 9, hydrolytically stable (20℃). No decomposition between pH 2.4 and 11.6.

Uses

6-?Iodo-?2-?propoxy-?3-?propylquinazolin-?4(3H)?-?one is a fungicidal agent. Pesticide.

Definition

ChEBI: A member of the class of quinazolines that is quinazolin-4-one substituted at positions 2, 3 and 6 by propoxy, propyl and iodo groups respectively. A fungicide with the potential to control powdery mildew in a range of crops including cereals and grapes.

General Description

Proquinazid belongs to the quinazolinone class of fungicides.

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