Morpholine
SIAL/252360 - ACS reagent, ≥99.0%
Synonym: Tetrahydro-
CAS Number: 110-91-8
Empirical Formula (Hill Notation): C4H9NO
Molecular Weight: 87.12
EC Number: 203-815-1
MDL Number: MFCD00005972
Linear Formula: C4H9NO
Product Type: Chemical
| assay | ≥99.0% |
| autoignition temp. | 590 °F |
| bp | 126.0-130.0 °C |
| 129 °C (lit.) | |
| color | APHA: ≤15 |
| density | 0.996 g/mL at 25 °C (lit.) |
| expl. lim. | 10.8 % |
| form | liquid |
| functional group | ether |
| grade | ACS reagent |
| InChI | 1S/C4H9NO/c1-3-6-4-2-5-1/ |
| InChI key | YNAVUWVOSKDBBP-UHFFFAOYSA |
| mp | −7-−5 °C (lit.) |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | C1COCCN1 |
| vapor density | 3 (vs air) |
| vapor pressure | 31 mmHg ( 38 °C) |
| 7 mmHg ( 20 °C) |
| Application: | Morpholine may be used in the preparation of derivatives such as 4-benzoyloxymorpholine and 1-morpholinopropan-1-one. It may also be used in the preparation of (S)-3,3′-bis-morpholinometh |
| Packaging: | 1 L in glass bottle |
| Packaging: | 5, 100, 4×100, 500 mL in glass bottle |
| Symbol | ![]() ![]() GHS02,GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H226 - H302 + H332 - H311 - H314 |
| Precautionary statements | P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 10-20/21/22-34 |
| Safety Statements | 23-36-45 |
| RIDADR | UN 2054 3(8) / PGI |
| WGK Germany | WGK 1 |
| Flash Point(F) | 87.8 °F - closed cup |
| Flash Point(C) | 31 °C - closed cup |
| Purity | ≥99.0% |
| bp | 126.0-130.0 °C; 129 °C (lit.) |
| mp | −7-−5 °C (lit.) |
| Density | 0.996 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |




