RTECS NUMBER : AG1925000
CHEMICAL NAME : Acetic acid, ((4-chloro-o-tolyl)oxy)-, ethyl ester
CAS REGISTRY NUMBER : 2698-38-6
BEILSTEIN REFERENCE NO. : 2117137
REFERENCE : 4-06-00-01991 (Beilstein Handbook Reference)
LAST UPDATED : 199612
DATA ITEMS CITED : 6
MOLECULAR FORMULA : C11-H13-Cl-O3
MOLECULAR WEIGHT : 228.69
WISWESSER LINE NOTATION : GR C1 DO1VO2
COMPOUND DESCRIPTOR : Reproductive Effector
SYNONYMS/TRADE NAMES :
* Acetic acid, (4-chloro-2-methylphenoxy)-, ethyl ester
* 4-Chloro-2-methylphenoxyacetic acid, ethyl ester
* Ethyl 2-methyl-4-chlorophenoxyacetate
* MCPA-ethyl
* MCPA ethyl ester
* Mcpee
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1290 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKYUA6 Yakkyoku. Pharmacy. (Nanzando, 4-1-11, Yushima, Bunkyo-ku, Tokyo,
Japan) V.1- 1950- Volume(issue)/page/year: 30,985,1979
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 6 gm/kg/6W-I
TOXIC EFFECTS :
Behavioral - tremor
Liver - other changes
Liver - changes in liver weight
REFERENCE :
AMBNAS Acta Medica et Biologica (Niigata). (Niigata Univ. School of
Medicine, 1 Asahi-machi-dori, Niigata 951, Japan) V.1- 1953-
Volume(issue)/page/year: 38,97,1990
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 3 gm/kg/12W-I
TOXIC EFFECTS :
Liver - changes in liver weight
Kidney, Ureter, Bladder - changes in bladder weight
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
AMBNAS Acta Medica et Biologica (Niigata). (Niigata Univ. School of
Medicine, 1 Asahi-machi-dori, Niigata 951, Japan) V.1- 1953-
Volume(issue)/page/year: 38,97,1990
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 400 mg/kg
SEX/DURATION : female 8-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
23,326,1972
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 800 mg/kg
SEX/DURATION : female 8-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
Reproductive - Specific Developmental Abnormalities - urogenital system
Reproductive - Specific Developmental Abnormalities - cardiovascular
(circulatory) system
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
23,326,1972
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 800 mg/kg
SEX/DURATION : female 8-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
gain)
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
23,326,1972
*** END OF RECORD ***
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