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EINECS 201-182-6
CAS No. 79-16-3 Density 0.87 g/cm3
Solubility soluble in water Melting Point 26-28 °C(lit.)
Formula C3H7NO Boiling Point 206 °C at 760 mmHg
Molecular Weight 73.11 Flash Point 109.1 °C
Transport Information Appearance colourless liquid or solid
Safety 53-45 Risk Codes 61
Molecular Structure Molecular Structure of 79-16-3 (N-Methylacetamide) Hazard Symbols ToxicT



N-Methylacetamide Chemical Properties

Molecule structure of N-Methylacetamide (CAS NO.79-16-3):

EINECS: 201-182-6  
IUPAC Name: N-Methylacetamide
Molecular Weight: 73.09378 g/mol
Molecular Formula: C3H7NO
Surface Tension: 23.2 dyne/cm 
Density: 0.87 g/cm3
Melting Point: 26-28 °C(lit.)
Flash Point: 109.1 °C  
Water Solubility: soluble
Enthalpy of Vaporization: 44.22 kJ/mol 
Boiling Point: 206 °C at 760 mmHg 
Vapour Pressure: 0.243 mmHg at 25 °C 
XLogP3: -1.1
H-Bond Donor: 1
H-Bond Acceptor: 1
Tautomer Count: 2
Exact Mass: 73.052764
MonoIsotopic Mass: 73.052764 
Canonical SMILES: CC(=O)NC
InChI: InChI=1S/C3H7NO/c1-3(5)4-2/h1-2H3,(H,4,5)
Classification Code: Mutation data; Reproductive Effect

N-Methylacetamide Uses

The N-Methylacetamide(79-16-3) is used as pesticide, medicine and other organic synthesis intermediates.

N-Methylacetamide Toxicity Data With Reference


mmo-esc 10 g/L

    CRSUBM    Cancer Research Supplement 3 (1955),69.

orl-rat LD50:5000 mg/kg

    JRPFA4    Journal of Reproduction and Fertility. 4 (1962),219.

ipr-rat LD50:2750 mg/kg

    JRPFA4    Journal of Reproduction and Fertility. 4 (1962),219.

scu-rat LD50:3600 mg/kg

    COREAF    Comptes Rendus Hebdomadaires des Seances de lAcademie des Sciences. 251 (1960),1937.

ipr-mus LD50:4380 mg/kg

    JPPMAB    Journal of Pharmacy and Pharmacology. 16 (1964),472.

ivn-mus LD50:4015 mg/kg

    JPPMAB    Journal of Pharmacy and Pharmacology. 16 (1964),472.

ivn-rbt LDLo:16,940 mg/kg

    ARZNAD    Arzneimittel-Forschung. Drug Research. 20 (1970),1242.

N-Methylacetamide Consensus Reports

Reported in EPA TSCA Inventory.

N-Methylacetamide Safety Profile

Moderately toxic by intraperitoneal and subcutaneous routes. Mildly toxic by ingestion and intravenous routes. An experimental teratogen. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
Hazard Codes: ToxicT
Risk Statements: 61
R61:May cause harm to the unborn child ;
Safety Statements: 53-45
S53:Avoid exposure - obtain special instruction before use ;
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) ;
WGK Germany: 2
RTECS: AC5960000
HS Code: 29241900
Hazardous Substances Data: 79-16-3(Hazardous Substances Data) 

N-Methylacetamide Specification

 N-Methylacetamide (CAS NO.79-16-3) is also named as AI3-18019 ; Acetamide, N-methyl- ; Acetamide, methyl- ; Acetic acid, amide, N-methyl ; HSDB 94 ; Methylacetamide ; Monomethylacetamide ; N-Methylacetamide ; N-Monomethylacetamide ; NSC 747 ; X 44 . N-Methylacetamide (CAS NO.79-16-3) is colourless liquid or solid. It is stable and combustible but incompatible with strong oxidizing agents. It is toxic. It is flammable. It will produce toxic nitrogen oxide fumes when buring. So the storage environment should be ventilate, low-temperature and dry.

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