MCPB-ETHYL ESTER
Names
[ CAS No. ]:
10443-70-6
[ Name ]:
MCPB-ETHYL ESTER
[Synonym ]:
ethyl 4-(4-chloro-o-tolyloxy)butyrate
Butanoic acid,4-(4-chloro-2-methylphenoxy)-,ethyl ester
Ethyl 4-(2-methyl-4-chlorophenoxy)butylate
MCPB ethyl ester
MCPB ethyl
Ethyl 4-(4-chloro-2-methylphenoxy)butanoate
ethyl 4-(4-chloro-2-methylphenoxy)butanoate
Butyric acid,4-((4-chloro-o-tolyl)oxy)-,ethyl ester
MCPBE
Chemical & Physical Properties
[ Density]:
1.127g/cm3
[ Boiling Point ]:
355ºC at 760mmHg
[ Melting Point ]:
-0.9°C
[ Molecular Formula ]:
C13H17ClO3
[ Molecular Weight ]:
256.72500
[ Flash Point ]:
137.4ºC
[ Exact Mass ]:
256.08700
[ PSA ]:
35.53000
[ LogP ]:
3.37050
[ Vapour Pressure ]:
3.21E-05mmHg at 25°C
[ Index of Refraction ]:
1.505
[ Storage condition ]:
0-10°C
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- EK7745000
- CHEMICAL NAME :
- Butanoic acid, 4-(4-chloro-2-methylphenoxy)-, ethyl ester
- CAS REGISTRY NUMBER :
- 10443-70-6
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 14
- MOLECULAR FORMULA :
- C13-H17-Cl-O3
- MOLECULAR WEIGHT :
- 256.75
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 :
- 1420 mg/kg
- 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,S39,1992
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3000 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,S39,1992
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >4 gm/kg
- 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,S39,1992
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 870 mg/kg
- 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,S39,1992
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3910 mg/kg
- 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,S39,1992
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 1160 mg/kg
- 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,S39,1992
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 525 mg/kg
- 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,S39,1992
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 3110 mg/kg
- 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,S39,1992 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 31200 mg/kg/13W-I
- TOXIC EFFECTS :
- Liver - changes in liver weight Endocrine - changes in spleen weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
- 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,S39,1992
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 131 gm/kg/2Y-C
- TOXIC EFFECTS :
- Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases
- 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,S39,1992
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 750 mg/kg/6W-I
- TOXIC EFFECTS :
- Behavioral - tremor Gastrointestinal - hypermotility, diarrhea Liver - other changes
- 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 :
- 1500 mg/kg/12W-I
- TOXIC EFFECTS :
- Behavioral - somnolence (general depressed activity) Behavioral - tremor Behavioral - convulsions or effect on seizure threshold
- 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 :
- Mammal - dog
- DOSE/DURATION :
- 5475 mg/kg/2Y-C
- TOXIC EFFECTS :
- Liver - hepatitis (hepatocellular necrosis), diffuse Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)
- 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,S39,1992 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 2500 mg/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- 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,S39,1992
Safety Information
[ Hazard Codes ]:
Xn
[ RIDADR ]:
3082
[ RTECS ]:
EK7745000
[ Packaging Group ]:
III