57-68-1

DATA ITEMS CITED :

19

MOLECULAR FORMULA :

C12-H14-N4-O2-S

MOLECULAR WEIGHT :

278.36

WISWESSER LINE NOTATION :

T6N CNJ BMSWR DZ& D1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

2 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

ABMGAJ Acta Biologica et Medica Germanica. (Berlin, Ger. Dem. Rep.) V.1-41, 1958-82. For publisher information, see BBIADT. Volume(issue)/page/year: 27,141,1971

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

50 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,392,1982

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1060 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea

REFERENCE :

AITEAT Archivum Immunologiae et Therapiae Experimentalis. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.10- 1962- Volume(issue)/page/year: 16,804,1968

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1440 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

ABMGAJ Acta Biologica et Medica Germanica. (Berlin, Ger. Dem. Rep.) V.1-41, 1958-82. For publisher information, see BBIADT. Volume(issue)/page/year: 27,141,1971

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1776 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

HBTXAC "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59 Volume(issue)/page/year: 5,163,1959

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

2450 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

DIPHAH Dissertationes Pharmaceuticae. (Warsaw, Poland) V.1-17, 1949-65. For publisher information, see PJPPAA. Volume(issue)/page/year: 11,149,1959 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

52560 mg/kg/2Y-C

TOXIC EFFECTS :

Endocrine - changes in thyroid weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)

REFERENCE :

JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 22,175,1987 ** TUMORIGENIC DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

104 gm/kg/2Y-C

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Endocrine - thyroid tumors

REFERENCE :

FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 28,157,1990

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Implant

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

5000 mg/kg

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumor types after systemic administration not seen spontaneously

REFERENCE :

ACRAAX Acta Radiologica. (Stockholm, Sweden) V.1-58, 1921-62. For publisher information, see ACRDA8. Volume(issue)/page/year: 37,258,1952

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

419 gm/kg/2Y-C

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Endocrine - thyroid tumors

REFERENCE :

FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 27,455,1989 ** REPRODUCTIVE DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

6850 mg/kg

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - urogenital system

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB83-151035

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

8650 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)

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB83-151035

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

46200 mg/kg

SEX/DURATION :

male 6 week(s) pre-mating

TOXIC EFFECTS :

Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females)

REFERENCE :

JRPFA4 Journal of Reproduction and Fertility. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1960- Volume(issue)/page/year: 81,259,1987

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

25200 mg/kg

SEX/DURATION :

female 6-19 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

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB85-105690 *** REVIEWS *** TOXICOLOGY REVIEW DPIRDU Dangerous Properties of Industrial Materials Report. (Van Nostrand Reinhold, 115 Fifth Ave., New York, NY 10003) V.1- 1981- Volume(issue)/page/year: 2(2),5,1982 TOXICOLOGY REVIEW FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 13,747,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 83543 No. of Facilities: 1105 (estimated) No. of Industries: 6 No. of Occupations: 12 No. of Employees: 6918 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 83543 No. of Facilities: 1303 (estimated) No. of Industries: 4 No. of Occupations: 22 No. of Employees: 17376 (estimated) No. of Female Employees: 2625 (estimated)