niridazole

MOLECULAR FORMULA :

C6-H6-N4-O3-S

MOLECULAR WEIGHT :

214.22

WISWESSER LINE NOTATION :

T5N CSJ DNW B- CT5MVNTJ

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 :

900 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

2500 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory depression

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

220 mg/kg

TOXIC EFFECTS :

Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia Kidney, Ureter, Bladder - hematuria

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

8 gm/kg/90W-I

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Gastrointestinal - tumors Kidney, Ureter, Bladder - Kidney tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

15 gm/kg/49W-C

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - hamster

DOSE/DURATION :

21 gm/kg/63W-C

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Gastrointestinal - tumors Kidney, Ureter, Bladder - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

16 gm/kg/75W-C

TOXIC EFFECTS :

Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors

TYPE OF TEST :

TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

4 gm/kg/19W-C

TOXIC EFFECTS :

Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors Gastrointestinal - tumors

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

350 mg/kg

SEX/DURATION :

male 5 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

500 mg/kg

SEX/DURATION :

male 5 day(s) pre-mating

TOXIC EFFECTS :

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

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

500 mg/kg

SEX/DURATION :

male 5 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

DOSE :

450 mg/kg

SEX/DURATION :

male 18 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

625 mg/kg

SEX/DURATION :

male 5 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

175 mg/kg

SEX/DURATION :

male 5 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Fertility - male fertility index (e.g. # males impregnating females per # males exposed to fertile nonpregnant females) Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

DOSE :

700 mg/kg

SEX/DURATION :

male 1 day(s) pre-mating

TOXIC EFFECTS :

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

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

DOSE :

600 mg/kg

SEX/DURATION :

male 1 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intratesticular

DOSE :

18 mg/kg

SEX/DURATION :

male 1 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - testes, epididymis, sperm duct

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

250 mg/kg

SEX/DURATION :

male 5 day(s) pre-mating

TOXIC EFFECTS :

Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct

MUTATION DATA

TEST SYSTEM :

Rodent - guinea pig

DOSE/DURATION :

250 mg/kg/5D (Continuous)

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: 48,439,1976 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 13,123,1977 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 13,123,1977 IARC Cancer Review:Group 2B IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987