CAS 66441-23-4|fenoxaprop-ethyl

CHEMICAL IDENTIFICATION

RTECS NUMBER :

UA2454000

CHEMICAL NAME :

Propanoic acid, 2-(4-((6-chloro-2-benzoxazolyl)oxy)phenoxy)-, ethyl ester, (+-)-

CAS REGISTRY NUMBER :

66441-23-4

LAST UPDATED :

199710

DATA ITEMS CITED :

11

MOLECULAR FORMULA :

C18-H16-Cl-N-O5

MOLECULAR WEIGHT :

361.80

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

2357 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,373,1991

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>510 mg/m3

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S17,1992

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>2 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,373,1991

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

739 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year: 11,625,1989

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

4670 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,373,1991

TYPE OF TEST :

LD - Lethal dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

>1 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

PBCWDF Proceedings of the British Crop Protection Conference - Weeds. (British Crop Protection Council, 2A Kidderminster Rd., Croydon, CRO 2UE, UK) 1976- Volume(issue)/page/year: -,11,1982

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

>2 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C136,1991

TYPE OF TEST :

LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

511 mg/m3/4H

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C136,1991 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

605 mg/kg/32D-C

TOXIC EFFECTS :

Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases Biochemical - Metabolism (Intermediary) - lipids including transport

REFERENCE :

NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S17,1992

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1210 mg/kg/32D-C

TOXIC EFFECTS :

Liver - hepatitis (hepatocellular necrosis), diffuse Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

REFERENCE :

NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S17,1992

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