100-74-3
Product Name:
N-Ethylmorpholine
Formula:
C6H13NO
Synonyms:
4-Ethylmorpholine;N-Ethylmorpholine
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | N-ethyl morpholine appears as a colorless liquid with a strong ammonia-like odor. Severely irritates skin, eyes, and mucous membranes. Moderately soluble in water and less dense than water. Flash point 83 °F. |
|---|---|
| Color/Form | COLORLESS LIQUID |
| Odor | AMMONIACAL ODOR |
| Boiling Point | 280 to 282 °F at 760 mmHg (NTP, 1992) |
| Melting Point | -81 °F (NTP, 1992) |
| Flash Point | 82 °F (NTP, 1992) |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Density | 0.916 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Vapor Density | 4 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 6.2 mmHg at 68 °F (NTP, 1992) |
| Autoignition Temperature | 185 °C |
| Viscosity | 1.08 mPa S @ 20 °C |
| Heat of Vaporization | 36.94 kJ/mole @ 101.3 kPa |
| Odor Threshold | Odor Threshold Low: 0.08 [mmHg] Odor Threshold High: 0.25 [mmHg] Detection odor threshold from AIHA (mean = 0.085 ppm) |
| Refractive Index | INDEX OF REFRACTION: 1.4400 @ 20 °C/D; SADTLER REFERENCE NUMBER: 11309 (IR, PRISM) |
| Dissociation Constants | pKa = 7.67 (conjugate acid) |
| Kovats Retention Index | 878 871 871 |
| Other Experimental Properties | WT/GAL: 7.6 LB @ 20 °C |
| Chemical Classes | Nitrogen Compounds -> Morpholines |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H226:Flammable liquids H302:Acute toxicity,oral H311:Acute toxicity,dermal H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 115.17 g/mol |
|---|---|
| XLogP3 | 0 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 115.099714038 g/mol |
| Monoisotopic Mass | 115.099714038 g/mol |
| Topological Polar Surface Area | 12.5 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 59.5 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
N-ethyl morpholine appears as a colorless liquid with a strong ammonia-like odor. Severely irritates skin, eyes, and mucous membranes. Moderately soluble in water and less dense than water. Flash point 83 °F.