毒理学数据:
大鼠急性经口LD50为205mg/kg(112～150mg/kg)，小鼠143mg/kg（104mg/kg)。大鼠急性经皮LD50500mg/kg，家兔为235mg/kg。大鼠2年饲喂试验无作用剂量为170mg/kg，狗为34mg/kg。动物试验未见致畸、致癌、致突变作用。鲤鱼LC50为40mg/L （48h)，鳟鱼为68mg/L (48h)。对兔眼睛和皮肤有中度刺激作用，吸入可能引起鼻出血。
CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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DW1960000
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CHEMICAL NAME :
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4,4'-Bipyridinium, 1,1'-dimethyl-
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CAS REGISTRY NUMBER :
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4685-14-7
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LAST UPDATED :
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199806
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DATA ITEMS CITED :
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45
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MOLECULAR FORMULA :
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C12-H14-N2
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MOLECULAR WEIGHT :
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186.28
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WISWESSER LINE NOTATION :
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T6KTJ A1 D- DT6KTJ A1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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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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Human - man
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DOSE/DURATION :
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171 mg/kg
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TOXIC EFFECTS :
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Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis) Gastrointestinal - changes in structure or function of esophagus Gastrointestinal - ulceration or bleeding from stomach
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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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Human - man
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DOSE/DURATION :
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1690 mg/kg
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TOXIC EFFECTS :
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Lungs, Thorax, or Respiration - respiratory depression Gastrointestinal - ulceration or bleeding from stomach Kidney, Ureter, Bladder - renal function tests depressed
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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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Human - man
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DOSE/DURATION :
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343 mg/kg
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TOXIC EFFECTS :
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Gastrointestinal - changes in structure or function of esophagus Gastrointestinal - ulceration or bleeding from stomach Kidney, Ureter, Bladder - renal function tests depressed
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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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100 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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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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14800 ug/kg
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TOXIC EFFECTS :
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Lungs, Thorax, or Respiration - acute pulmonary edema Gastrointestinal - other changes Liver - 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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Unreported
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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250 mg/kg
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TOXIC EFFECTS :
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Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay)
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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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120 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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Unreported
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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198 mg/kg
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TOXIC EFFECTS :
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Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay)
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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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25 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 - cat
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DOSE/DURATION :
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35 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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236 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 - guinea pig
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DOSE/DURATION :
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30 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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262 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 - species unspecified
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DOSE/DURATION :
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70 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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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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45 mg/kg/6D-I
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TOXIC EFFECTS :
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Cardiac - changes in heart weight Liver - other changes Endocrine - changes in spleen weight
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TYPE OF TEST :
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Mutation test systems - not otherwise specified
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TYPE OF TEST :
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Cytogenetic analysis
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TYPE OF TEST :
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Sperm Morphology
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 Lung
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REFERENCE :
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MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 412,187,1998 *** REVIEWS *** ACGIH TLV-TWA 0.5 mg/m3, total dust 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 0.1 mg/m3, respirable dust 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 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.5 mg/m3 (skin) 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: 3,195,1971 OSHA PEL (Gen Indu):8H TWA 0.5 mg/m3 (skin), respirable dust CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.5 mg/m3 (skin), respirable dust CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.5 mg/m3 (skin), respirable dust CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.5 mg/m3 (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.1 mg/m3 JAN 1993 OEL-BELGIUM:TWA 0.1 mg/m3 JAN 1993 OEL-DENMARK:TWA 0.1 mg/m3;Skin JAN 1993 OEL-FINLAND:TWA 0.1 mg/m3;STEL 0.3 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 0.1 mg/m3 JAN 1993 OEL-HUNGARY:STEL 0.05 mg/m3;Skin JAN 1993 OEL-THE NETHERLANDS:TWA 0.1 mg/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.5 mg/m3;Skin JAN 1993 OEL-THAILAND:TWA 0.5 mg/m3 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 PARAQUAT, respirable dust-air:10H TWA 0.1 mg/m3 (Sk) 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
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