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EINECS 216-913-4
CAS No. 1696-20-4 Density 1.078 g/cm3
Solubility miscible with water Melting Point 14 °C(lit.)
Formula C6H11NO2 Boiling Point 255.902 °C at 760 mmHg
Molecular Weight 129.16 Flash Point 108.566 °C
Transport Information Appearance Clear colourless to very slightly yellow liquid
Safety 26-36-39 Risk Codes 36
Molecular Structure Molecular Structure of 1696-20-4 (Ethanone,1-(4-morpholinyl)-) Hazard Symbols IrritantXi

Morpholine,4-acetyl- (6CI,7CI,8CI,9CI);1-(Morpholin-4-yl)ethanone;1-Morpholinoethanone;4-Acetylmorpholine;Acetomorpholide;N-Acetylmorpholine;NSC 2764;


N-Acetylmorpholine Chemical Properties

IUPAC Name: 1-Morpholin-4-ylethanone
Synonyms: N-Acetylmorpholine ; Morpholine, 4-acetyl- ; 4-Acetylmorpholine ; Acetylmorpholine ; 4-Acetyl-morpholin ; N-1-Acetyl morpholine ; N-Acetylmorfolin ; N-Aetylmorpholine
Product Categories: Building Blocks;Heterocyclic Building Blocks;Morpholines
Molecular Structure :
Molecular Formula: C6H11NO2
Molecular Weight: 129.16
CAS NO: 1696-20-4
EINECS: 216-913-4
BRN : 111971
Mol File: 1696-20-4.mol
Index of Refraction: 1.46
Surface Tension: 35.5 dyne/cm
Density: 1.078 g/cm3
Flash Point: 108.6 °C
Melting point 9-10 ºC
Enthalpy of Vaporization: 49.34 kJ/mol
Boiling Point: 255.9 °C at 760 mmHg
Vapour Pressure: 0.0159 mmHg at 25°C
Water solubility : 4-Acetyl-morpholine (CAS NO.1696-20-4) is miscible.
Appearance: 4-Acetyl-morpholine (CAS NO.1696-20-4) is clear colourless to very slightly yellow liquid.

N-Acetylmorpholine Uses

  4-Acetyl-morpholine (CAS NO.1696-20-4) is very important pesticide intermediates, and is one of the main raw material in agricultural fungicides synthesis of dimethomorph and flumorph .

N-Acetylmorpholine Production

  4-Acetyl-morpholine (CAS NO.1696-20-4) is obtained by reaction of morpholine with acetyl chloride or acetic anhydride.

N-Acetylmorpholine Toxicity Data With Reference


skn-rbt 500 mg/24H MLD

    85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague,Czechoslovakia, Avicenum.: 1986,889.

eye-rbt 500 mg open

    AMIHBC    AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61.

orl-rat LD50:6130 mg/kg

    AMIHBC    AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61.

skn-rbt LD50:7500 mg/kg

    AMIHBC    AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61.

par-mus LDLo:2400 mg/kg

    CBCCT*    “Summary Tables of Biological Tests” National Research Council Chemical-Biological Coordination Center. 7 (1955),691.

N-Acetylmorpholine Consensus Reports

Reported in EPA TSCA Inventory.

N-Acetylmorpholine Safety Profile

Hazard Codes IrritantXi
Risk Statements 36
R36:Irritating to eyes.
Safety Statements 26-36-39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S39:Wear eye / face protection.
WGK Germany 1
RTECS QD7000000

N-Acetylmorpholine Specification


Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 14.5 deg C   EXP
log P (octanol-water) -0.870 (none)   EST
Atmospheric OH Rate Constant 5.59E-11 cm3/molecule-sec 25 EST


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