Common Name

Quizalofop-P-ethyl

IUPAC Name

 ethyl (R)-2-[4-(6-chloroquinoxalin-2-yloxy)phenoxy]propionate

CAS Number

100646-51-3

Structural Formula

Physical and Chemical Characteristics

M.f. : C₁₉H₁₇ClN₂O₄

Mol. Wt. : 372.8

Form : White, crystalline, odourless solid.

M.p.:  76.1-77.1 °C

B.p. : 220 °C/26.6 Pa

V.p. :  1.1 × 10^-4 mPa (20 °C)

K_ow : logP = 4.61 (23±1 °C)

Henry : 6.7 × 10^-5 Pa m³ mol^-1 (calc.)

S.g./density: 1.36 g/cm3

Solubility:
In water 0.61 mg/l (20 °C). In acetone, ethyl acetate and xylene >250, 1,2-dichloroethane >1000 (all in g/l, 22-23 °C); in methanol 34.87, n-heptane 7.168 (both in g/l, 20 °C).

Stability:
Stable in neutral and acidic media, but unstable in alkaline media; DT₅₀ <1 d (pH 9). Stable at high temperatures and in organic solvents.

pKa: N/A

F.p.N/A

Specification

Quizalofop-P-ethyl content, % ≥ 90.0
Water content, % ≤ 0.5
PH range : 5.0~7.0
Acetone insoluble, % ≤ 0.5