*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XI4100000 CHEMICAL NAME : 1,3,4-Thiadiazole, 2,2'-(methylenediimino)bis- CAS REGISTRY NUMBER : 26907-37-9 BEILSTEIN REFERENCE NO. : 0993888 LAST UPDATED : 199612 DATA ITEMS CITED : 23 MOLECULAR FORMULA : C5-H6-N6-S2 MOLECULAR WEIGHT : 214.29 WISWESSER LINE NOTATION : T5NN DSJ CM1M- CT5NN DSJ COMPOUND DESCRIPTOR : Agricultural Chemical Drug Mutagen Reproductive Effector SYNONYMS/TRADE NAMES : * Bis-A-tda * N,N'-Bis(1,3,4-thiadazol-2-yl)methane diamine * Di-Ku-shuang * N,N'-Methylenebis(2-amino-1,3,4-thiadiazole) * NSC-143019 * TK-5477 *** 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 : 260 mg/kg TOXIC EFFECTS : Behavioral - food intake (animal) Gastrointestinal - changes in structure or function of salivary glands Gastrointestinal - hypermotility, diarrhea REFERENCE : CIYPDA Sichuan Yixueyuan Xuebao. Acta Akademiae Medicinae Sichuan. (Beijing, Peop. Rep. China) V.1-16, 1970-85. For publisher information, see HYDXET. Volume(issue)/page/year: 12,345,1981 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 82 mg/kg TOXIC EFFECTS : Behavioral - muscle weakness Gastrointestinal - hypermotility, diarrhea Skin and Appendages - hair REFERENCE : TAKHAA Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. (Takeda Yakuhin Kogyo K.K., 2-17-85 Jusohon-machi, Yodogawa-ku, Osaka 532, Japan) V.29- 1970- Volume(issue)/page/year: 35,68,1976 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 125 mg/kg TOXIC EFFECTS : Behavioral - muscle weakness Gastrointestinal - hypermotility, diarrhea Skin and Appendages - hair REFERENCE : TAKHAA Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. (Takeda Yakuhin Kogyo K.K., 2-17-85 Jusohon-machi, Yodogawa-ku, Osaka 532, Japan) V.29- 1970- Volume(issue)/page/year: 35,68,1976 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2250 mg/kg TOXIC EFFECTS : Behavioral - food intake (animal) Gastrointestinal - changes in structure or function of salivary glands Gastrointestinal - hypermotility, diarrhea REFERENCE : CIYPDA Sichuan Yixueyuan Xuebao. Acta Akademiae Medicinae Sichuan. (Beijing, Peop. Rep. China) V.1-16, 1970-85. For publisher information, see HYDXET. Volume(issue)/page/year: 12,345,1981 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 430 mg/kg TOXIC EFFECTS : Behavioral - muscle weakness Gastrointestinal - hypermotility, diarrhea Skin and Appendages - hair REFERENCE : TAKHAA Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. (Takeda Yakuhin Kogyo K.K., 2-17-85 Jusohon-machi, Yodogawa-ku, Osaka 532, Japan) V.29- 1970- Volume(issue)/page/year: 35,68,1976 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 145 mg/kg TOXIC EFFECTS : Behavioral - food intake (animal) Gastrointestinal - changes in structure or function of salivary glands Gastrointestinal - hypermotility, diarrhea REFERENCE : CIYPDA Sichuan Yixueyuan Xuebao. Acta Akademiae Medicinae Sichuan. (Beijing, Peop. Rep. China) V.1-16, 1970-85. For publisher information, see HYDXET. Volume(issue)/page/year: 12,345,1981 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Mammal - dog DOSE/DURATION : 125 mg/kg TOXIC EFFECTS : Behavioral - muscle weakness Gastrointestinal - hypermotility, diarrhea Skin and Appendages - hair REFERENCE : TAKHAA Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. (Takeda Yakuhin Kogyo K.K., 2-17-85 Jusohon-machi, Yodogawa-ku, Osaka 532, Japan) V.29- 1970- Volume(issue)/page/year: 35,68,1976 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Mammal - dog DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Behavioral - food intake (animal) Gastrointestinal - changes in structure or function of salivary glands Gastrointestinal - hypermotility, diarrhea REFERENCE : CIYPDA Sichuan Yixueyuan Xuebao. Acta Akademiae Medicinae Sichuan. (Beijing, Peop. Rep. China) V.1-16, 1970-85. For publisher information, see HYDXET. Volume(issue)/page/year: 12,345,1981 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Behavioral - muscle weakness Gastrointestinal - hypermotility, diarrhea Skin and Appendages - hair REFERENCE : TAKHAA Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. (Takeda Yakuhin Kogyo K.K., 2-17-85 Jusohon-machi, Yodogawa-ku, Osaka 532, Japan) V.29- 1970- Volume(issue)/page/year: 35,68,1976 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Administration onto the skin SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 2 gm/kg TOXIC EFFECTS : Behavioral - food intake (animal) Gastrointestinal - changes in structure or function of salivary glands Gastrointestinal - hypermotility, diarrhea REFERENCE : CIYPDA Sichuan Yixueyuan Xuebao. Acta Akademiae Medicinae Sichuan. (Beijing, Peop. Rep. China) V.1-16, 1970-85. For publisher information, see HYDXET. Volume(issue)/page/year: 12,345,1981 TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Behavioral - food intake (animal) Gastrointestinal - changes in structure or function of salivary glands Gastrointestinal - hypermotility, diarrhea REFERENCE : CIYPDA Sichuan Yixueyuan Xuebao. Acta Akademiae Medicinae Sichuan. (Beijing, Peop. Rep. China) V.1-16, 1970-85. For publisher information, see HYDXET. Volume(issue)/page/year: 12,345,1981 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 560 mg/kg/4W-I TOXIC EFFECTS : Lungs, Thorax, or Respiration - chronic pulmonary edema Liver - hepatitis (hepatocellular necrosis), zonal Endocrine - other changes REFERENCE : TAKHAA Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. (Takeda Yakuhin Kogyo K.K., 2-17-85 Jusohon-machi, Yodogawa-ku, Osaka 532, Japan) V.29- 1970- Volume(issue)/page/year: 34,480,1975 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 140 mg/kg/4W-I TOXIC EFFECTS : Liver - hepatitis (hepatocellular necrosis), zonal Blood - normocytic anemia Endocrine - other changes REFERENCE : TAKHAA Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. (Takeda Yakuhin Kogyo K.K., 2-17-85 Jusohon-machi, Yodogawa-ku, Osaka 532, Japan) V.29- 1970- Volume(issue)/page/year: 34,480,1975 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 5 mg/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - other developmental abnormalities REFERENCE : CPHPA5 Jiepou Xuebao. Journal of Anatomy. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1-9, 1953-66; V.10- 1979- Volume(issue)/page/year: 12,212,1981 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 1 mg/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - body wall REFERENCE : SURR** Szechuan University Research Report, Natural Science. (Szechuan University, Szechuan, Peop. Rep. China) No.2/3- 1978- Volume(issue)/page/year: 2/3,105,1978 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 1 mg/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - musculoskeletal system REFERENCE : SURR** Szechuan University Research Report, Natural Science. (Szechuan University, Szechuan, Peop. Rep. China) No.2/3- 1978- Volume(issue)/page/year: 2/3,105,1978 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 5 mg/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - eye/ear REFERENCE : SURR** Szechuan University Research Report, Natural Science. (Szechuan University, Szechuan, Peop. Rep. China) No.2/3- 1978- Volume(issue)/page/year: 2/3,105,1978 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE : 5 mg/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - urogenital system REFERENCE : SURR** Szechuan University Research Report, Natural Science. (Szechuan University, Szechuan, Peop. Rep. China) No.2/3- 1978- Volume(issue)/page/year: 2/3,105,1978 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE : 5 mg/kg SEX/DURATION : female 6-12 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) REFERENCE : CYLPDN Zhongguo Yaoli Xuebao. Acta Pharmacologica Sinica. Chinese Journal of Pharmacology. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1980- Volume(issue)/page/year: 5,195,1984 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE : 5 mg/kg SEX/DURATION : female 6-12 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - musculoskeletal system REFERENCE : CYLPDN Zhongguo Yaoli Xuebao. Acta Pharmacologica Sinica. Chinese Journal of Pharmacology. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1980- Volume(issue)/page/year: 5,195,1984 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 45 mg/kg SEX/DURATION : female 10 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 - musculoskeletal system REFERENCE : YHHPAL Yaoxue Xuebao. Acta Pharmaceutica Sinica. Pharmaceutical Journal. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1953- Suspended 1966-78. Volume(issue)/page/year: 16,654,1981 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 60 mg/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Effects on Embryo or Fetus - fetal death REFERENCE : YHHPAL Yaoxue Xuebao. Acta Pharmaceutica Sinica. Pharmaceutical Journal. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 1953- Suspended 1966-78. Volume(issue)/page/year: 16,654,1981 ** MUTATION DATA ** TYPE OF TEST : Micronucleus test ROUTE OF EXPOSURE : Oral TEST SYSTEM : Rodent - mouse DOSE/DURATION : 200 mg/kg REFERENCE : ENVRAL Environmental Research. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1967- Volume(issue)/page/year: 43,359,1987 *** END OF RECORD ***