| Chemical Properties |
|
| [Appearance]
Morpholine is a colorless liquid with a weak ammonia or fish-like odor. The odor threshold is 0.01 ppm. |
| [Melting point ]
-7–5 °C (lit.) |
| [Boiling point ]
126.0-130.0 °C 129 °C (lit.) |
| [density ]
1.000 g/mL at 20 °C |
| [vapor density ]
3 (vs air) |
| [vapor pressure ]
31 mm Hg ( 38 °C) |
| [refractive index ]
n20/D 1.454(lit.) |
| [Fp ]
96 °F |
| [storage temp. ]
Store at R.T. |
| [solubility ]
water: miscible |
| [form ]
Liquid |
| [pka]
8.33(at 25℃) |
| [color ]
APHA: ≤15 |
| [Specific Gravity]
0.996 |
| [PH]
11.2 (H2O)(undiluted) |
| [Stability:]
Stable. Flammable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, acid anhydrides. Hygroscopic. |
| [explosive limit]
1.4-15.2%(V) |
| [Water Solubility ]
MISCIBLE |
| [FreezingPoint ]
-4.9℃ |
| [Sensitive ]
Hygroscopic |
| [Merck ]
14,6277 |
| [Detection Methods]
GC |
| [BRN ]
102549 |
| [Exposure limits]
TLV-TWA 20 ppm (～70 mg/m3) (ACGIH, MSHA, and OSHA); STEL skin 30 ppm (ACGIH); IDLH 8000 ppm. |
| [InChIKey]
YNAVUWVOSKDBBP-UHFFFAOYSA-N |
| [Uses]
Rubber accelerator, solvent, additive to boilerwater, waxes and polishes, optical brightener fordetergents, corrosion inhibitor, preservation of bookpaper, organic intermediate (catalyst, antioxidants,pharmaceuticals, bactericides, etc.). |
| [CAS DataBase Reference]
110-91-8(CAS DataBase Reference) |
| [NIST Chemistry Reference]
Morpholine(110-91-8) |
| [IARC]
3 (Vol. 47, 71) 1999 |
| [EPA Substance Registry System]
110-91-8(EPA Substance) |
