A3949312
N-Ethylmorpholine , 99% , 100-74-3
Synonym(s):
4-Ethylmorpholine;N-Ethylmorpholine
CAS NO.：100-74-3
Empirical Formula: C6H13NO
Molecular Weight: 115.17
MDL number: MFCD00006177
EINECS: 202-885-0
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -63 °C (lit.) |
| Boiling point: | 139 °C (lit.) |
| Density | 0.91 g/mL at 20 °C (lit.) |
| vapor pressure | 8.1 hPa (20 °C) |
| refractive index | n |
| Flash point: | 82 °F |
| storage temp. | Store below +30°C. |
| solubility | miscible |
| form | Powder |
| pka | 7.67(at 25℃) |
| color | Cream to beige to brown-grey |
| PH | 11.8 (100g/l, H2O, 20℃) |
| explosive limit | 1.9%(V) |
| Water Solubility | miscible |
| FreezingPoint | -63℃ |
| Sensitive | Air Sensitive |
| BRN | 102969 |
| Exposure limits | NIOSH REL: TWA 5 ppm (23 mg/m3), IDLH 100 ppm; OSHA PEL: TWA 20
ppm (94 mg/m3); ACGIH TLV: TWA 5 ppm (adopted). |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing agents. Slightly air sensitive. |
| LogP | 0.08 at 24.6℃ |
| CAS DataBase Reference | 100-74-3(CAS DataBase Reference) |
| NIST Chemistry Reference | Morpholine, 4-ethyl-(100-74-3) |
| EPA Substance Registry System | N-Ethylmorpholine (100-74-3) |
Description and Uses
Catalyst in polyurethane foam production
Safety
| Symbol(GHS) |    GHS02,GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H226-H302-H311-H314 |
| Precautionary statements | P210-P233-P280-P301+P312-P303+P361+P353-P305+P351+P338 |
| Hazard Codes | C |
| Risk Statements | 10-21/22-34 |
| Safety Statements | 26-36/37/39-45-16 |
| OEB | A |
| OEL | TWA: 5 ppm (23 mg/m3) [skin] |
| RIDADR | UN 2920 8/PG 2 |
| WGK Germany | 1 |
| RTECS | QE4025000 |
| F | 8-23 |
| Autoignition Temperature | 160 °C |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 29349990 |
| Hazardous Substances Data | 100-74-3(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 1640 mg/kg LD50 dermal Rabbit 900 mg/kg |
| IDLA | 100 ppm |
