N,N-Dimethylacetamide
Names
[ CAS No. ]:
127-19-5
[ Name ]:
N,N-Dimethylacetamide
[Synonym ]:
Acetic Acid Dimethylamide
N,N-Dimethylacetamide
MFCD00000868
Dimethylamide acetate
DIMETHYL ACETAMIDE
N.N-Dimethylacetamide
N-N-Dimethylacetamide
N,N-dimethyl-acetamide
N-Acetyldimethylamine
Acetdimethylamide
DMAc
Acetamide, N,N-dimethyl-
Acetic acid N,N-dimethylamide
Dimethylacetone amide
EINECS 201-152-2
Acetic acid-dimethylamide
Acetamide,N,N-dimethyl
Ethanoic acid N,N-dimethylamide
DMA
Dimethylacetamide
N,N-Dimethylethanamide
N,N-Dimethyl acetamide
N,N-Dimethylacetamid
Biological Activity
[Description]:
[Related Catalog]:
[References]
[Related Small Molecules]
Chemical & Physical Properties
[ Density]:
0.9±0.1 g/cm3
[ Boiling Point ]:
166.1±0.0 °C at 760 mmHg
[ Melting Point ]:
-20 °C
[ Molecular Formula ]:
C4H9NO
[ Molecular Weight ]:
87.120
[ Flash Point ]:
70.0±0.0 °C
[ Exact Mass ]:
87.068413
[ PSA ]:
20.31000
[ LogP ]:
-0.75
[ Vapour density ]:
3.89 (vs air)
[ Vapour Pressure ]:
1.8±0.3 mmHg at 25°C
[ Index of Refraction ]:
1.407
[ Stability ]:
Stable. Combustible. Incompatible with strong oxidizing agents.
[ Water Solubility ]:
miscible
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- AB7700000
- CHEMICAL NAME :
- Acetamide, N,N-dimethyl-
- CAS REGISTRY NUMBER :
- 127-19-5
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 65
- MOLECULAR FORMULA :
- C4-H9-N-O
- MOLECULAR WEIGHT :
- 87.14
- WISWESSER LINE NOTATION :
- 1VN1&1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Open irritation test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4300 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2475 ppm/1H
- TOXIC EFFECTS :
- Nutritional and Gross Metabolic - weight loss or decreased weight gain
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >2 gm/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 :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2750 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 :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2640 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 :
- Unreported
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 3 gm/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 :
- 4620 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 7200 mg/m3
- TOXIC EFFECTS :
- Behavioral - ataxia Lungs, Thorax, or Respiration - other changes Liver - other changes
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 9600 mg/kg
- TOXIC EFFECTS :
- Behavioral - food intake (animal) Lungs, Thorax, or Respiration - other changes Liver - other changes
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2800 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 :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 3020 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 :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 2240 mg/kg
- TOXIC EFFECTS :
- Skin and Appendages - primary irritation (after topical exposure)
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 8340 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Bird - chicken
- DOSE/DURATION :
- 12 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Mammal - species unspecified
- DOSE/DURATION :
- 406 ppm
- TOXIC EFFECTS :
- Liver - fatty liver degeneration
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 364 mg/kg/26W-I
- TOXIC EFFECTS :
- Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other esterases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4500 mg/kg/90D-C
- TOXIC EFFECTS :
- Blood - changes in erythrocyte (RBC) count Blood - changes in leukocyte (WBC) count
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 103 ppm/6H/26W-I
- TOXIC EFFECTS :
- Liver - other changes
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 300 ppm/6H/12D-I
- TOXIC EFFECTS :
- Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Metabolism (Intermediary) - lipids including transport
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 120 ppm/6H/64D-I
- TOXIC EFFECTS :
- Liver - changes in liver weight
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 100 ppm/6H/2Y-I
- TOXIC EFFECTS :
- Liver - other changes
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 700 mg/m3/4H/2W-I
- TOXIC EFFECTS :
- Blood - pigmented or nucleated red blood cells Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 375 ppm/6H/78W-I
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - retinal changes (pigmentary depositions, retinitis, other) Liver - other changes Liver - changes in liver weight
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 113 gm/kg/6W-I
- TOXIC EFFECTS :
- Liver - fatty liver degeneration Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 8 gm/kg/4D-I
- TOXIC EFFECTS :
- Liver - other changes Nutritional and Gross Metabolic - weight loss or decreased weight gain Related to Chronic Data - death
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 5600 mg/kg
- SEX/DURATION :
- female 6-19 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) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 5600 mg/kg
- SEX/DURATION :
- female 6-19 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system Reproductive - Specific Developmental Abnormalities - homeostasis
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- DOSE :
- 288 ppm/6H
- SEX/DURATION :
- male 10 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - testes, epididymis, sperm duct
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- DOSE :
- 281 ppm/6H
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- DOSE :
- 300 ppm/6H
- SEX/DURATION :
- female 10 week(s) pre-mating - 3 week(s) post-birth
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- DOSE :
- 282 ppm/6H
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- DOSE :
- 2400 mg/kg
- SEX/DURATION :
- female 10-11 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetal death Reproductive - Specific Developmental Abnormalities - Central Nervous System
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- DOSE :
- 2 mg/kg
- SEX/DURATION :
- female 1 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)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 3900 mg/kg
- SEX/DURATION :
- female 6-18 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - eye/ear Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 3900 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)
- TYPE OF TEST :
- DNA inhibition
MUTATION DATA
- TYPE OF TEST :
- Sister chromatid exchange
- TEST SYSTEM :
- Rodent - hamster Ovary
- 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 *** REVIEWS *** ACGIH TLV-Not classifiable as a human carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-TWA 36 mg/m3 (10 ppm) (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 10 ppm (35 mg/m3) (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,88,1971 OSHA PEL (Gen Indu):8H TWA 10 ppm (35 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 10 ppm (35 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 10 ppm (35 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 10 ppm (35 mg/m3) (skin) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 10 ppm (35 mg/m3);Skin JAN 1993 OEL-BELGIUM:TWA 10 ppm (36 mg/m3);Skin JAN 1993 OEL-DENMARK:TWA 10 ppm (35 mg/m3);Skin JAN 1993 OEL-FINLAND:TWA 10 ppm (35 mg/m3);STEL 20 ppm (70 mg/m3);Skin JAN 1993 OEL-FRANCE:TWA 10 ppm (35 mg/m3);Skin JAN 1993 OEL-GERMANY:TWA 10 ppm (35 mg/m3);Skin JAN 1993 OEL-THE NETHERLANDS:TWA 10 ppm (35 mg/m3);Skin JAN 1993 OEL-THE PHILIPPINES:TWA 10 ppm (35 mg/m3);Skin JAN 1993 OEL-SWITZERLAND:TWA 10 ppm (35 mg/m3);STEL 20 ppm ;Skin JAN 1993 OEL-UNITED KINGDOM:TWA 10 ppm (35 mg/m3);STEL 15 ppm ;Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO DIMETHYL ACETAMIDE-air:10H TWA 10 ppm (Sk) REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 26095 No. of Facilities: 66 (estimated) No. of Industries: 5 No. of Occupations: 13 No. of Employees: 7658 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 26095 No. of Facilities: 907 (estimated) No. of Industries: 14 No. of Occupations: 27 No. of Employees: 28943 (estimated) No. of Female Employees: 15028 (estimated)
Safety Information
[ Symbol ]:
GHS07, GHS08
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H312 + H332-H319-H360D
[ Precautionary Statements ]:
P201-P261-P280-P305 + P351 + P338-P308 + P313
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
[ Hazard Codes ]:
T:Toxic
[ Risk Phrases ]:
R20/21;R61
[ Safety Phrases ]:
S16-S24-S53-S45
[ RIDADR ]:
UN 1279 3/PG 2
[ WGK Germany ]:
3
[ RTECS ]:
TX9625000
[ HS Code ]:
2924199090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2924199090
[ Summary ]:
2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%
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