morpholine
morpholine is an organic chemical compound having the chemical formula o(ch2ch2)2nh. this heterocycle features both amine and ether functional groups. because of the amine, morpholine is a base; its conjugate acid is called morpholinium. for example, treating morpholine with hydrochloric acid makes the salt morpholinium chloride.
properties
| appearance & physical state: | aqueous solution with a fishlike odor |
|---|---|
| density: | 0.994 |
| melting point: | -5ºc |
| freezing point: | -4.9℃ |
| boiling point: | 129ºc |
| flash point: | 38ºc |
| refractive index: | 1.453-1.455 |
| water solubility: | miscible |
| stability: | stable. flammable. incompatible with strong oxidizing agents, strong acids, acid chlorides, acid anhydrides. hygroscopic. |
| storage condition: | store at r.t. |
| vapor pressure: | 31 mm hg ( 38 °c) |
| vapor density: | 3 (vs air) |
safety info
| rtecs: | qd6475000 |
|---|---|
| hazard class: | 8 |
| safety statements: | s23-s36-s45 |
| hs code: | 2934999090 |
| packing group: | i |
| wgk germany: | 3 |
| ridadr: | un 2054/1760 |
| risk statements: | r10; r20/21/22; r34 |
| hazard codes: | c |