CHEMICAL IDENTIFICATION

RTECS NUMBER :

LQ8500000

CHEMICAL NAME :

Formic acid, ethylidenemethylhydrazide

CAS REGISTRY NUMBER :

16568-02-8

LAST UPDATED :

199612

DATA ITEMS CITED :

13

MOLECULAR FORMULA :

C4-H8-N2-O

MOLECULAR WEIGHT :

100.14

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Human - child

DOSE/DURATION :

10 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

MGLHAE Mitteilungen aus dem Gebiete der Lebensmitteluntersuchung und Hygiene. (Eidgenoessiche Drucksachen und Materialzentrale, 3000 Bern, Switzerland) V.1- 1910- Volume(issue)/page/year: 65,453,1974

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Human

DOSE/DURATION :

20 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

MGLHAE Mitteilungen aus dem Gebiete der Lebensmitteluntersuchung und Hygiene. (Eidgenoessiche Drucksachen und Materialzentrale, 3000 Bern, Switzerland) V.1- 1910- Volume(issue)/page/year: 65,453,1974

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

320 mg/kg

TOXIC EFFECTS :

Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Behavioral - food intake (animal)

REFERENCE :

FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 15,575,1977

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

344 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 54,167,1978

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

50 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NATWAY Naturwissenschaften. (Springer-Verlag, Heidelberger Platz 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.1- 1913- Volume(issue)/page/year: 62,395,1975 ** TUMORIGENIC DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

5200 mg/kg/52W-I

TOXIC EFFECTS :

Tumorigenic - equivocal tumorigenic agent by RTECS criteria Lungs, Thorax, or Respiration - tumors Endocrine - tumors

REFERENCE :

FEPRA7 Federation Proceedings, Federation of American Societies for Experimental Biology. (Bethesda, MD) V.1-46, 1942-87. Volume(issue)/page/year: 39,884,1980

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

600 mg/kg/12W-I

TOXIC EFFECTS :

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

REFERENCE :

NEOLA4 Neoplasma. (Karger-Libri, P.O. Box, CH-4009 Basel, Switzerland) V.4- 1957- Volume(issue)/page/year: 28,559,1981 *** REVIEWS *** IARC Cancer Review:Animal Limited Evidence IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,391,1987 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: 31,163,1983 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987 TOXICOLOGY REVIEW JMTHBU Journal of the Medical Association of Thailand. (Businesss Mgr., Dept. of Microbiology, Faculty of Medicine, Siriraj Hospital, Bangkok 7, Thailand) V.1- 1918- Volume(issue)/page/year: 58,623,1975