CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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SZ8562240
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CHEMICAL NAME :
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Phosphonic acid, (1-hydroxyethylidene)di-, disodium salt
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CAS REGISTRY NUMBER :
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7414-83-7
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LAST UPDATED :
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199806
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DATA ITEMS CITED :
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22
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MOLECULAR FORMULA :
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C2-H6-O7-P2.2Na
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MOLECULAR WEIGHT :
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250.00
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WISWESSER LINE NOTATION :
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QPQOYQ1OPQQ &-NA- 2
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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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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Human - woman
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DOSE/DURATION :
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588 mg/kg/28W-I
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TOXIC EFFECTS :
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Musculoskeletal - osteomalacia Musculoskeletal - other changes
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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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1340 mg/kg
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TOXIC EFFECTS :
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Kidney, Ureter, Bladder - changes in both tubules and glomeruli
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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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372 mg/kg
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TOXIC EFFECTS :
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Sense Organs and Special Senses (Eye) - chromodacryorrhea Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity)
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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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Intravenous
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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73 mg/kg
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TOXIC EFFECTS :
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Sense Organs and Special Senses (Eye) - ptosis Behavioral - convulsions or effect on seizure threshold Kidney, Ureter, Bladder - other changes
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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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1900 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 - mouse
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DOSE/DURATION :
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260 mg/kg
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TOXIC EFFECTS :
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Behavioral - altered sleep time (including change in righting reflex) 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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Intravenous
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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49 mg/kg
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TOXIC EFFECTS :
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Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - altered sleep time (including change in righting reflex) Behavioral - convulsions or effect on seizure threshold
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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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Mammal - dog
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DOSE/DURATION :
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500 mg/kg
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TOXIC EFFECTS :
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Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation) Behavioral - ataxia Gastrointestinal - nausea or vomiting
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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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Intravenous
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SPECIES OBSERVED :
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Mammal - dog
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DOSE/DURATION :
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32 mg/kg
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TOXIC EFFECTS :
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Cardiac - arrhythmias (including changes in conduction) Cardiac - pulse rate increase, without fall in BP 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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Rodent - rabbit
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DOSE/DURATION :
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581 mg/kg
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TOXIC EFFECTS :
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Gastrointestinal - hypermotility, diarrhea Kidney, Ureter, Bladder - interstitial nephritis
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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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72800 mg/kg/26W-I
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TOXIC EFFECTS :
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Kidney, Ureter, Bladder - changes in both tubules and glomeruli Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - changes in calcium
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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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14560 mg/kg/13W-C
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TOXIC EFFECTS :
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Endocrine - other changes Blood - other changes 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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Oral
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SPECIES OBSERVED :
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Mammal - dog
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DOSE/DURATION :
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14560 mg/kg/52W-I
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TOXIC EFFECTS :
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Behavioral - ataxia Kidney, Ureter, Bladder - changes in bladder weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphokinase
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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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DOSE :
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2500 mg/kg
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SEX/DURATION :
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female 6-15 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Effects on Newborn - live birth index (measured after birth)
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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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DOSE :
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5500 mg/kg
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SEX/DURATION :
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female 1-22 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Fertility - other measures of fertility
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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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DOSE :
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86 gm/kg
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SEX/DURATION :
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male 9 week(s) pre-mating female 2 week(s) pre-mating female 1-7 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Maternal Effects - other effects Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
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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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DOSE :
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11 gm/kg
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SEX/DURATION :
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female 7-17 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Maternal Effects - other effects Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Effects on Newborn - live birth index (measured after birth)
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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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DOSE :
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7800 mg/kg
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SEX/DURATION :
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female 17-22 day(s) after conception lactating female 20 day(s) post-birth
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TOXIC EFFECTS :
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Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - physical
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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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DOSE :
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1500 ug/kg
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SEX/DURATION :
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female 2-16 day(s) after conception
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TOXIC EFFECTS :
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Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
MUTATION DATA
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TYPE OF TEST :
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Cytogenetic analysis
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TEST SYSTEM :
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Rodent - hamster Ovary
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DOSE/DURATION :
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1 mmol/L
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REFERENCE :
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KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 23,1343,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2888 No. of Facilities: 78 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 1099 (estimated)
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