CAS 123-39-7|N-methylformamide

CHEMICAL IDENTIFICATION

RTECS NUMBER :

LQ3000000

CHEMICAL NAME :

Formamide, N-methyl-

CAS REGISTRY NUMBER :

123-39-7

BEILSTEIN REFERENCE NO. :

1098352

LAST UPDATED :

199712

DATA ITEMS CITED :

40

MOLECULAR FORMULA :

C2-H5-N-O

MOLECULAR WEIGHT :

59.08

WISWESSER LINE NOTATION :

VHM1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration into the eye

SPECIES OBSERVED :

Rodent - rabbit

REFERENCE :

TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 39,129,1977 ** ACUTE TOXICITY DATA **

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

4 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

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: 4,219,1962

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

3500 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

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: 4,219,1962

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>2500 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

APEPA2 Naunyn-Schmiedebergs Archiv fuer Pharmakologie und Experimentelle Pathologie. (Berlin, Ger.) V.254-263, 1966-69. For publisher information, see NSAPCC. Volume(issue)/page/year: 257,296,1967

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

2400 mg/kg

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - corneal damage Behavioral - somnolence (general depressed activity) Musculoskeletal - other changes

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 57(2),30,1992

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

2600 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 34,173,1985

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

802 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

NCISP* National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program. (Bethesda, MD 20205) Volume(issue)/page/year: JAN1986

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

3100 mg/kg

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - respiratory depression Nutritional and Gross Metabolic - weight loss or decreased weight gain Nutritional and Gross Metabolic - body temperature decrease

REFERENCE :

DABBBA Dissertation Abstracts International, B: The Sciences and Engineering. (University Microfilms International, 300 N. Zeeb Rd., Ann Arbor, MI 48106) V.30- 1969- Volume(issue)/page/year: 40,549,1979

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1580 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 34,173,1985

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intramuscular

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

2700 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 34,173,1985

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1175 mg/kg

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - corneal damage Behavioral - somnolence (general depressed activity) Musculoskeletal - other changes

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 57(2),30,1992

TYPE OF TEST :

LD - Lethal dose

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

>568 mg/kg

TOXIC EFFECTS :

Behavioral - food intake (animal) Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB82-232158

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Unreported

SPECIES OBSERVED :

Rodent - guinea pig

DOSE/DURATION :

465 mg/kg

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - corneal damage Behavioral - somnolence (general depressed activity) Musculoskeletal - other changes

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 57(2),30,1992 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

5460 ug/kg/26W-I

TOXIC EFFECTS :

Lungs, Thorax, or Respiration - changes in lung weight Blood - changes in leukocyte (WBC) count Nutritional and Gross Metabolic - changes in chlorine

REFERENCE :

GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 57(2),30,1992

TYPE OF TEST :

TCLo - Lowest published toxic concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

400 ppm/6H/2W-I

TOXIC EFFECTS :

Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

REFERENCE :

FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 14,810,1990

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

5603 mg/kg/5D-I

TOXIC EFFECTS :

Liver - hepatitis (hepatocellular necrosis), zonal Endocrine - other changes Related to Chronic Data - death

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB82-232158

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

4 gm/kg/10D-I

TOXIC EFFECTS :

Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

REFERENCE :

TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85, Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 34,173,1985

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

662 mg/kg/5D-I

TOXIC EFFECTS :

Liver - hepatitis (hepatocellular necrosis), zonal Endocrine - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB82-232158 ** REPRODUCTIVE DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

1 gm/kg

SEX/DURATION :

female 7 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 - homeostasis Reproductive - Specific Developmental Abnormalities - other developmental abnormalities

REFERENCE :

85DJA5 "Malformations Congenitales des Mammiferes," Tuchmann-Duplessis, H., Paris, Masson et Cie, 1971 Volume(issue)/page/year: -,95,1971

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

750 mg/kg

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Maternal Effects - other effects 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 :

FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 27,239,1995

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

750 mg/kg

SEX/DURATION :

female 6-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - musculoskeletal system

REFERENCE :

FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 27,239,1995

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

DOSE :

1200 mg/kg

SEX/DURATION :

female 12-13 day(s) after conception

TOXIC EFFECTS :

Reproductive - Specific Developmental Abnormalities - body wall

REFERENCE :

TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 41,35,1977

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

DOSE :

400 mg/kg

SEX/DURATION :

female 12-13 day(s) after conception

TOXIC EFFECTS :

Reproductive - Specific Developmental Abnormalities - Central Nervous System

REFERENCE :

TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 41,35,1977

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

DOSE :

600 mg/kg

SEX/DURATION :

female 9 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetal death

REFERENCE :

TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 41,35,1977

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

DOSE :

700 mg/kg

SEX/DURATION :

female 7-13 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 - other developmental abnormalities

REFERENCE :

85DJA5 "Malformations Congenitales des Mammiferes," Tuchmann-Duplessis, H., Paris, Masson et Cie, 1971 Volume(issue)/page/year: -,95,1971

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

DOSE :

500 mg/kg

SEX/DURATION :

female 10 day(s) after conception

TOXIC EFFECTS :

Reproductive - Specific Developmental Abnormalities - other developmental abnormalities

REFERENCE :

APEPA2 Naunyn-Schmiedebergs Archiv fuer Pharmakologie und Experimentelle Pathologie. (Berlin, Ger.) V.254-263, 1966-69. For publisher information, see NSAPCC. Volume(issue)/page/year: 257,296,1967

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

200 mg/kg

SEX/DURATION :

female 11 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - musculoskeletal system

REFERENCE :

ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 17,610,1967

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

400 mg/kg

SEX/DURATION :

female 11 day(s) after conception

TOXIC EFFECTS :

Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

REFERENCE :

ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 17,610,1967

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

DOSE :

400 mg/kg

SEX/DURATION :

female 11 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - Central Nervous System Reproductive - Specific Developmental Abnormalities - musculoskeletal system

REFERENCE :

ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 17,610,1967

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

DOSE :

800 mg/kg

SEX/DURATION :

female 11 day(s) after conception

TOXIC EFFECTS :

Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

REFERENCE :

ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 17,610,1967

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Subcutaneous

DOSE :

70 mg/kg

SEX/DURATION :

female 11 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - other developmental abnormalities

REFERENCE :

DABBBA Dissertation Abstracts International, B: The Sciences and Engineering. (University Microfilms International, 300 N. Zeeb Rd., Ann Arbor, MI 48106) V.30- 1969- Volume(issue)/page/year: 40,549,1979

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

650 mg/kg

SEX/DURATION :

female 6-18 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 - musculoskeletal system

REFERENCE :

ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 30,1557,1980

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

650 mg/kg

SEX/DURATION :

female 6-18 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 - fetotoxicity (except death, e.g., stunted fetus)

REFERENCE :

ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 30,1557,1980

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

650 mg/kg

SEX/DURATION :

female 6-18 day(s) after conception

TOXIC EFFECTS :

Reproductive - Maternal Effects - other effects Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Specific Developmental Abnormalities - Central Nervous System

REFERENCE :

FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 27,239,1995

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

650 mg/kg

SEX/DURATION :

female 6-18 day(s) after conception

TOXIC EFFECTS :

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

REFERENCE :

FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 27,239,1995

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Administration onto the skin

DOSE :

1800 mg/kg

SEX/DURATION :

female 8-16 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetal death

REFERENCE :

TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 41,35,1977

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