QUINMERAC
QUINMERAC Basic information
- Product Name:
- QUINMERAC
- Synonyms:
-
- bas518
- 7-chloro-3-methyl-8-quinolinecarboxylicaci
- 7-chloro-3-methyl-8-quinolinecarboxylicacid
- QUINMERAC
- 7-Chloro-3-Methyl-
- bas51802h
- bas518h
- BUTISAN STAR
- CAS:
- 90717-03-6
- MF:
- C11H8ClNO2
- MW:
- 221.64
- EINECS:
- 402-790-6
- Product Categories:
-
- Agro Products
- Agro-Products
- Aromatics
- Heterocycles
- Mol File:
- 90717-03-6.mol
QUINMERAC Chemical Properties
- Melting point:
- 244°C
- Boiling point:
- 416.0±40.0 °C(Predicted)
- Density
- 1.406±0.06 g/cm3(Predicted)
- storage temp.
- Room Temperature, under inert atmosphere
- solubility
- DMSO (Slightly), Methanol (Slightly, Sonicated)
- pka
- -2.84±0.10(Predicted)
- color
- Pale Yellow to Pale Beige
- Merck
- 13,8158
- BRN
- 8392904
- LogP
- 0.780
- EPA Substance Registry System
- Quinmerac (90717-03-6)
Safety Information
- Hazard Codes
- T
- WGK Germany
- 2
- RTECS
- VB1981800
- HS Code
- 29333990
- Toxicity
- LD50 in rats (mg/kg): >5000 orally, >2000 dermally (Wuerzer)
QUINMERAC Usage And Synthesis
Chemical Properties
Crystalline Solid
Uses
Auxin-type herbicide.
Uses
Herbicide.
Definition
ChEBI: A quinolinemonocarboxylic acid that is quinoline-8-carboxylic acid carrying additional methyl and chloro substituents at positions 3 and 7 respectively. A residual herbicide used to control broad-leaved weeds on a range of crops including cereals, rape and beet.
Environmental Fate
In the field, the DT50 of quinmerac may range from 3 to 33 days. Losses due to volatilization are negligible. Soil moisture conditions greatly influence quinmerac persistence by moderating microbial degradation and soil leaching. Quinmerac is only slightly adsorbed to the soil.
Metabolism
Chemical. Quinmerac is stable to heat, light, and in
aqueous solutions with pH values between 3 and 9.
Plant. The degradation and metabolic pathways of
quinmerac have not been extensively studied. In plants,
oxidation of the 3-methyl group to the alcohol and
hydroxylation at the 2-quinoline position are the major
metabolism reactions (56). These quinmerac metabolites
are subsequently conjugated to carbohydrates. The
quantity of quinmerac metabolized varies among species,
ranging from 5% to 80% (56).
Soil. In the soil, degradation of quinmerac was similar
to that observed in plants, resulting in the same
oxygenated and hydroxylated metabolites.
Toxicity evaluation
Quinmerac is excreted in the urine of mammals and appears to remain primarily unmodified. The acute oral LD50 in rat is >5000 mg/kg.
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