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MSDS  : Formic acid, methylhydrazide
CAS  : 758-17-8
SYNONYMS  : * N-Formyl-N-methylhydrazine * Hydrazine, 1-formyl-1-methyl- * 1-Methyl-1-formylhydrazide * N-Methyl-N-formylhydrazine * MFH
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : LQ8940000
CHEMICAL NAME : Formic acid, methylhydrazide
CAS REGISTRY NUMBER : 758-17-8
BEILSTEIN REFERENCE NO. : 2036827
LAST UPDATED : 199612
DATA ITEMS CITED : 16
MOLECULAR FORMULA : C2-H6-N2-O
MOLECULAR WEIGHT : 74.10
COMPOUND DESCRIPTOR : Tumorigen
Drug
Mutagen
SYNONYMS/TRADE NAMES :
* N-Formyl-N-methylhydrazine
* Hydrazine, 1-formyl-1-methyl-
* 1-Methyl-1-formylhydrazide
* N-Methyl-N-formylhydrazine
* MFH

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag,
Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951-
Volume(issue)/page/year: 20,363,1970

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 118 mg/kg
TOXIC EFFECTS :
Behavioral - excitement
Liver - other changes
Kidney, Ureter, Bladder - other changes
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
45,429,1978

** TUMORIGENIC DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 14 mg/kg/62W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Liver - tumors
REFERENCE :
JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60,
1940-78. For publisher information, see JJIND8. Volume(issue)/page/year:
60,201,1978

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 400 mg/kg/40W-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
REFERENCE :
NEOLA4 Neoplasma. (Karger-Libri, P.O. Box, CH-4009 Basel, Switzerland) V.4-
1957- Volume(issue)/page/year: 30,437,1983

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - hamster
DOSE/DURATION : 6100 mg/kg/80W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - tumors
Kidney, Ureter, Bladder - tumors
REFERENCE :
JCROD7 Journal of Cancer Research and Clinical Oncology. (Springer-Verlag
New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.93-
1979- Volume(issue)/page/year: 93,109,1979

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 7840 mg/kg/70W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Liver - tumors
REFERENCE :
MYCPAH Mycopathologia. (Kluwer Academic Pub. Group, Distribution Centre,
POB 322, 3300 AH Dordrecht, Netherlands) V.1- 1938-
Volume(issue)/page/year: 68,121,1979

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 3360 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Vascular - tumors
Lungs, Thorax, or Respiration - tumors
REFERENCE :
NEOLA4 Neoplasma. (Karger-Libri, P.O. Box, CH-4009 Basel, Switzerland) V.4-
1957- Volume(issue)/page/year: 27,25,1980

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 3158 mg/kg/94W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Vascular - tumors
Lungs, Thorax, or Respiration - tumors
REFERENCE :
NEOLA4 Neoplasma. (Karger-Libri, P.O. Box, CH-4009 Basel, Switzerland) V.4-
1957- Volume(issue)/page/year: 27,25,1980

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 3920 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Liver - tumors
REFERENCE :
NEOLA4 Neoplasma. (Karger-Libri, P.O. Box, CH-4009 Basel, Switzerland) V.4-
1957- Volume(issue)/page/year: 27,25,1980

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 180 mg/kg
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
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: 6,577,1980

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 100 mg/kg
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Reproductive - Tumorigenic effects - other reproductive system tumors
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: 6,577,1980

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 64 mg/kg/80W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Blood - lymphoma, including Hodgkin's disease
REFERENCE :
MYCPAH Mycopathologia. (Kluwer Academic Pub. Group, Distribution Centre,
POB 322, 3300 AH Dordrecht, Netherlands) V.1- 1938-
Volume(issue)/page/year: 78,11,1982

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 84 mg/kg/70W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Gastrointestinal - tumors
REFERENCE :
MYCPAH Mycopathologia. (Kluwer Academic Pub. Group, Distribution Centre,
POB 322, 3300 AH Dordrecht, Netherlands) V.1- 1938-
Volume(issue)/page/year: 78,11,1982

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 187 mg/kg/78W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Blood - lymphoma, including Hodgkin's disease
REFERENCE :
MYCPAH Mycopathologia. (Kluwer Academic Pub. Group, Distribution Centre,
POB 322, 3300 AH Dordrecht, Netherlands) V.1- 1938-
Volume(issue)/page/year: 78,11,1982

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 158 mg/kg/79W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Blood - lymphoma, including Hodgkin's disease
REFERENCE :
MYCPAH Mycopathologia. (Kluwer Academic Pub. Group, Distribution Centre,
POB 322, 3300 AH Dordrecht, Netherlands) V.1- 1938-
Volume(issue)/page/year: 78,11,1982

** MUTATION DATA **

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 100 umol/plate
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 26,155,1983

*** END OF RECORD ***
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Formic acid, chloro-, oxydiethylene ester 106-75-2
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Formic acid, hexyl ester 629-33-4
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Formic acid, hydrazide 624-84-0
Formaldehyde, polymer with benzenamine 25214-70-4
Formic acid, hydrazodi- 628-36-4
Formic acid, indium(3+) salt 40521-21-9
Formic acid, isobutyl ester 542-55-2
Formic acid, isopropyl ester 625-55-8
Formic acid, methyl ester 107-31-3
Formic acid, methylhydrazide 758-17-8

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