Common Name

Quizalofop-P-tefuryl

IUPAC Name

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

CAS Number

119738-06-6

Structural Formula

Physical and Chemical Characteristics

M.f. : C₂₂H₂₁ClN₂O₅

Mol. Wt. : 428.9

Form : Thick yellow liquid, which can crystallise upon standing at room temperature.

M.p.:  59-68 °C; (tech. is a liquid)

B.p. : N/A

V.p. : 7.9 × 10^-3 mPa (25 °C) (gas saturation method)

K_ow: logP = 4.32 (25 °C)

Henry : 9.02 × 10^-4 Pa m³ mol^-1 (calc.)

S.g./density: 1283 kg/m3 (21.5 °C)

Solubility:
In water 4 mg/l (25 °C). In toluene 652, hexane 12, methanol 64 (all in g/l).

Stability:
Stable for ≥14 d at 55 °C; stable in package for ≥1 y at 25 °C. Stable ≥7 d in sunlight. In water, DT₅₀ (22 °C) 8.1 d (pH 5), 82 d (pH 6), 431 min (pH 9).

pKa: 1.25 (25 °C)

F.p.：132 °C (Setaflash)

Specification

Quizalofop-P-ethyl content, % ≥ 85.0
Water content, % ≤ 0.5
PH range : 5.0~7.0
Acetone insoluble, % ≤ 0.5