*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : AC5960000
CHEMICAL NAME : Acetamide, N-methyl-
CAS REGISTRY NUMBER : 79-16-3
LAST UPDATED : 199710
DATA ITEMS CITED : 23
MOLECULAR FORMULA : C3-H7-N-O
MOLECULAR WEIGHT : 73.11
WISWESSER LINE NOTATION : 1VM1
COMPOUND DESCRIPTOR : Mutagen
Reproductive Effector
SYNONYMS/TRADE NAMES :
* Methylacetamide
* N-Methylacetamide
* Monomethylacetamide
*** 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 : 5 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 : 2750 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 : 3600 mg/kg
TOXIC EFFECTS :
Gastrointestinal - other changes
Liver - other changes
Endocrine - other changes
REFERENCE :
COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences.
(Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV.
Volume(issue)/page/year: 251,1937,1960
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 3200 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: 18,645,1968
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 4380 mg/kg
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain
Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great
Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949-
Volume(issue)/page/year: 16,472,1964
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 4015 mg/kg
TOXIC EFFECTS :
Nutritional and Gross Metabolic - weight loss or decreased weight gain
Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
JPPMAB Journal of Pharmacy and Pharmacology. (Pharmaceutical Soc. of Great
Britain, 1 Lambeth High St., London SEI 7JN, UK) V.1- 1949-
Volume(issue)/page/year: 16,472,1964
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 16940 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: 20,1242,1970
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Bird - chicken
DOSE/DURATION : 14 gm/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: 20,1242,1970
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 90 gm/kg/90D-C
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
acute tubular necrosis)
Blood - changes in bone marrow (not otherwise specified)
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: OTS0530468
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE : 2 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)
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 : Administration onto the skin
SPECIES OBSERVED : Rodent - rat
DOSE : 1200 mg/kg
SEX/DURATION : female 10-11 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
SPECIES OBSERVED : Rodent - rat
DOSE : 2 gm/kg
SEX/DURATION : female 15-16 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
resorbed implants per total number of implants)
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
SPECIES OBSERVED : Rodent - rabbit
DOSE : 3250 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 - body wall
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
SPECIES OBSERVED : Rodent - rabbit
DOSE : 3250 mg/kg
SEX/DURATION : female 6-18 day(s) after conception
TOXIC EFFECTS :
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
SPECIES OBSERVED : Rodent - rabbit
DOSE : 130 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)
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
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 10 gm/L
REFERENCE :
CRSUBM Cancer Research Supplement. (Baltimore, MD) No.1-4, 1953-56.
Volume(issue)/page/year: 3,69,1955
TYPE OF TEST : DNA inhibition
ROUTE OF EXPOSURE : Unreported
TEST SYSTEM : Rodent - mouse
DOSE/DURATION : 3330 mg/kg
REFERENCE :
APHGAO Acta Pharmaceutica Hungarica. (Kultura, POB 149, H-1389 Budapest,
Hungary) 1953- Adopts V.24 in 1955. Volume(issue)/page/year: 56,97,1986
TYPE OF TEST : DNA inhibition
TEST SYSTEM : Rodent - mouse Cells - not otherwise specified
DOSE/DURATION : 66 gm/L
REFERENCE :
APHGAO Acta Pharmaceutica Hungarica. (Kultura, POB 149, H-1389 Budapest,
Hungary) 1953- Adopts V.24 in 1955. Volume(issue)/page/year: 56,97,1986
TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Rodent - hamster Ovary
DOSE/DURATION : 10 gm/L
REFERENCE :
APHGAO Acta Pharmaceutica Hungarica. (Kultura, POB 149, H-1389 Budapest,
Hungary) 1953- Adopts V.24 in 1955. Volume(issue)/page/year: 56,97,1986
*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***
NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X4317
No. of Facilities: 17 (estimated)
No. of Industries: 1
No. of Occupations: 1
No. of Employees: 851 (estimated)
No. of Female Employees: 187 (estimated)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***