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| CAS No.: | 1696-20-4 |
|---|---|
| Name: | N-Acetylmorpholine |
| Article Data: | 122 |
| Molecular Structure: | |
|
|
|
| Formula: | C6H11NO2 |
| Molecular Weight: | 129.159 |
| Synonyms: | Morpholine,4-acetyl- (6CI,7CI,8CI,9CI);1-(Morpholin-4-yl)ethanone;1-Morpholinoethanone;4-Acetylmorpholine;Acetomorpholide;N-Acetylmorpholine;NSC 2764; |
| EINECS: | 216-913-4 |
| Density: | 1.078 g/cm3 |
| Melting Point: | 14 °C(lit.) |
| Boiling Point: | 255.902 °C at 760 mmHg |
| Flash Point: | 108.566 °C |
| Solubility: | miscible with water |
| Appearance: | Clear colourless to very slightly yellow liquid |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36 |
| Safety: | 26-36-39 |
| PSA: | 29.54000 |
| LogP: | -0.19700 |
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Chemistry
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.
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 .
Production
4-Acetyl-morpholine (CAS NO.1696-20-4) is obtained by reaction of morpholine with acetyl chloride or acetic anhydride.
Toxicity Data With Reference
| 1. | skn-rbt 500 mg/24H MLD | 85JCAE Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague,Czechoslovakia, Avicenum.: 1986,889. | ||
| 2. | eye-rbt 500 mg open | AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61. | ||
| 3. | orl-rat LD50:6130 mg/kg | AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61. | ||
| 4. | skn-rbt LD50:7500 mg/kg | AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. 10 (1954),61. | ||
| 5. | par-mus LDLo:2400 mg/kg | CBCCT* “Summary Tables of Biological Tests” National Research Council Chemical-Biological Coordination Center. 7 (1955),691. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Hazard Codes 
Xi
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
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 |