毒理学数据:
雄性大鼠经口LD50:17mg/kg,雌24mg/kg。原药对兔急性经皮LD50>5000mg /kg。大鼠急性吸入LC50为0.3mg/L(4h).鳃鱼、金鱼的LC50分别为3.4mg/L, 0.87mg/L, 0.lmg/L (96h)0野鸭急性经日LD50为16 mg /kg。
CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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AK2975000
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CHEMICAL NAME :
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Acetimidic acid, thio-N-((methylcarbamoyl)oxy)-, methyl ester
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CAS REGISTRY NUMBER :
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16752-77-5
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LAST UPDATED :
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199712
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DATA ITEMS CITED :
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52
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MOLECULAR FORMULA :
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C5-H10-N2-O2-S
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MOLECULAR WEIGHT :
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162.23
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WISWESSER LINE NOTATION :
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1SY1&UNOVM1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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17 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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77 ppm/4H
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TOXIC EFFECTS :
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Sense Organs and Special Senses (Eye) - lacrimation Behavioral - tremor Lungs, Thorax, or Respiration - dyspnea
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Administration onto the skin
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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>1600 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Subcutaneous
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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9 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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10 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Mammal - dog
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DOSE/DURATION :
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20 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Primate - monkey
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DOSE/DURATION :
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40 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Administration onto the skin
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SPECIES OBSERVED :
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Rodent - rabbit
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DOSE/DURATION :
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5880 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LDLo - Lowest published lethal dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - guinea pig
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DOSE/DURATION :
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15 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Bird - pigeon
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DOSE/DURATION :
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10 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Bird - chicken
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DOSE/DURATION :
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28 mg/kg
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TOXIC EFFECTS :
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Sense Organs and Special Senses (Eye) - lacrimation Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Bird - quail
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DOSE/DURATION :
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23700 ug/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Bird - quail
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DOSE/DURATION :
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3680 ppm
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Bird - duck
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DOSE/DURATION :
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15 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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REFERENCE :
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SHELL* Shell Chemical Company. (P.O. Box 4320, Houston, TX 77210)
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TYPE OF TEST :
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LC50 - Lethal concentration, 50 percent kill
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Bird - duck
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DOSE/DURATION :
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1890 ppm
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Bird - wild bird species
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DOSE/DURATION :
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10 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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15960 mg/kg/95W-C
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TOXIC EFFECTS :
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Blood - changes in bone marrow (not otherwise specified) Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - changes in testicular weight
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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264 mg/kg/33D-I
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TOXIC EFFECTS :
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Brain and Coverings - other degenerative changes Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Mammal - dog
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DOSE/DURATION :
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18200 mg/kg/2Y-C
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TOXIC EFFECTS :
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Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Blood - changes in bone marrow (not otherwise specified) Related to Chronic Data - death
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TYPE OF TEST :
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TDLo - Lowest published toxic dose
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ROUTE OF EXPOSURE :
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Administration onto the skin
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SPECIES OBSERVED :
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Rodent - rabbit
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DOSE/DURATION :
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3 gm/kg/3W-I
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TOXIC EFFECTS :
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Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Related to Chronic Data - death
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TYPE OF TEST :
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DNA damage
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TYPE OF TEST :
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DNA damage
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TYPE OF TEST :
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Cytogenetic analysis
MUTATION DATA
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TEST SYSTEM :
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Rodent - mouse
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REFERENCE :
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ENVRAL Environmental Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1967- Volume(issue)/page/year: 42,362,1987 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 2.5 mg/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW 85ALAU "Carbamate Insecticides: Chemistry, Biochemistry, and Toxicology," Kuhr, R.J., and H.W. Dorough, Cleveland, OH, CRC Press, 1976 Volume(issue)/page/year: -,106,1977 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 2.5 mg/m3 JAN 1993 OEL-BELGIUM:TWA 2.5 mg/m3 JAN 1993 OEL-DENMARK:TWA 2.5 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 2.5 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 2.5 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 2.4 mg/m3;Skin JAN 1993 OEL-UNITED KINGDOM:TWA 2.5 mg/m3;Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO METHOMYL-air:10H TWA 2.5 mg/m3 REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - B0027 No. of Facilities: 15 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 2367 (estimated) No. of Female Employees: 1288 (estimated)
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