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ChemicalBook--->CAS DataBase List--->90717-03-6

90717-03-6

90717-03-6 Structure

90717-03-6 Structure
IdentificationBack Directory
[Name]

QUINMERAC
[CAS]

90717-03-6
[Synonyms]

bas518
FIESTA
GAVELAN
bas518h
BAS113W
QUINMERAC
bas51802h
BUTISAN STAR
7-Chloro-3-Methyl-
quinmerac (bsi, draft e-iso)
7-Chlor-3-methyl-8-chinolincarbonsure
QUINMERAC PESTANAL (7-CHLORO-3-ME- THYLQ
7-chloro-3-methyl-8-quinolinecarboxylicaci
7-chloro-3-methyl-8-quinolinecarboxylicacid
7-CHLORO-3-METHYLQUINOLINE-8-CARBOXYLICACID
[EINECS(EC#)]

402-790-6
[Molecular Formula]

C11H8ClNO2
[MDL Number]

MFCD00145199
[MOL File]

90717-03-6.mol
[Molecular Weight]

221.64
Chemical PropertiesBack Directory
[Appearance]

Crystalline Solid
[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)
[form ]

neat
[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)
Hazard InformationBack Directory
[Chemical Properties]

Crystalline Solid
[Uses]

Auxin-type 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.
[Uses]

Herbicide.
[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.
Safety DataBack Directory
[Hazard Codes ]

T
[WGK Germany ]

2
[RTECS ]

VB1981800
[HS Code ]

29333990
[Toxicity]

LD50 in rats (mg/kg): >5000 orally, >2000 dermally (Wuerzer)
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