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Morpholine CAS#110-91-8
CAS Number: 110-91-8
Chemical Formula:C5H14N2
Synonyms:
1,4-Oxazinan
1,4-oxazine,tetrahydro-
2H-1,4-Oxazine, tetrahydro-
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Appearance: Colorless Liquid
Morpholine CAS#110-91-8
Morpholine is a colorless liquid with a weakammonia or fish-like odor. The odor threshold is 0.01 ppm.Molecular weight = 87.14; Specific gravity (H2O:1) 51.007; Boiling point = 128.9℃; Freezing/Meltingpoint 5 25℃; Vapor pressure 5 6 mmHg at 20℃; Flashpoint 5 37℃. Autoignition temperature 5 310℃. Explosivelimits: LEL 5 1.4%; UEL 5 11.2%. Hazard Identification(based on NFPA-704 M Rating System): Health 3,Flammability 3, Reactivity 0. Soluble in water
| Morpholine Chemical Properties |
| Melting point | -7--5 °C (lit.) |
| Boiling point | 126.0-130.0 °C 129 °C (lit.) |
| density | 0.996 g/mL at 25 °C (lit.) |
| vapor density | 3 (vs air) |
| vapor pressure | 31 mm Hg ( 38 °C) |
| refractive index | n |
| Fp | 96 °F |
| storage temp. | Store below +30°C. |
| solubility | water: miscible |
| form | Liquid |
| pka | 8.33(at 25℃) |
| Specific Gravity | 0.996 |
| color | APHA: ≤15 |
| Odor | Characteristic amine-like odor |
| PH | 11.2 (H2O)(undiluted) |
| explosive limit | 1.4-15.2%(V) |
| Water Solubility | MISCIBLE |
| FreezingPoint | -4.9℃ |
| Sensitive | Hygroscopic |
| Merck | 14,6277 |
| BRN | 102549 |
| Exposure limits | TLV-TWA 20 ppm (～70 mg/m3) (ACGIH, MSHA, and OSHA); STEL skin 30 ppm (ACGIH); IDLH 8000 ppm. |
| Dielectric constant | 7.3（25℃） |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing agents, strong acids, acid chlorides, acid anhydrides. Hygroscopic. |
| Cosmetics Ingredients Functions | BUFFERING |
| InChIKey | YNAVUWVOSKDBBP-UHFFFAOYSA-N |
| LogP | -0.860 |
| CAS DataBase Reference | 110-91-8(CAS DataBase Reference) |
| IARC | 3 (Vol. 47, 71) 1999 |
| NIST Chemistry Reference | Morpholine(110-91-8) |
| EPA Substance Registry System | Morpholine (110-91-8) |
| Safety Information |
| Hazard Codes | C |
| Risk Statements | 10-20/21/22-34 |
| Safety Statements | 23-36-45 |
| OEB | A |
| OEL | TWA: 20 ppm (70 mg/m3), STEL: 30 ppm (105 mg/m3) [skin] |
| RIDADR | UN 2054 8/PG 1 |
| WGK Germany | 3 |
| RTECS | QD6475000 |
| Autoignition Temperature | 590 °F |
| TSCA | Yes |
| HS Code | 2934 99 90 |
| HazardClass | 8 |
| PackingGroup | I |
| Hazardous Substances Data | 110-91-8(Hazardous Substances Data) |
| Toxicity | LD50 orally in female rats: 1.05 g/kg (Smyth) |
| IDLA | 1,400 ppm [10% LEL] |
Product Application of Morpholine CAS#110-91-8
(1) For medicine, it used as the raw materials for rubber accelerator and fluorescent whitening agent.
(2) Morpholine is the intermediates of fungicide dimethomorph and flumorpholine and organophosphate insecticide phosalphos.
(3) Morpholine is Mainly used for the production of rubber vulcanization accelerator, but also for surfactant, textile auxiliaries, pharmaceuticals, pesticide synthesis. (4) Morpholine also used as a catalyst for polymerization of butadiene, corrosion inhibitors, optical bleach, the goods are dyes, resins, wax, early glue, casein and other solvents. At present, the total production of morpholine in the world is 3-4 million t/a.
(5) Morpholine salts are also widely used. Morpholine salts like morpholine hydrochloride (10024-89-2) are the organic synthesis of intermediates. Morpholine fatty acid salt can be used as the coating agent of fruits or vegetables epidermal coating agent, and it could inhibit the base respiration and prevent the epidermis from evaporation of water and epidermal atrophy.
(6) Morpholine is the main raw materials of accelerator NOBS. for analysis reagents and resins, wax, shellac and other solvents, used in the production of sodium sulfate. Water glass and ultramarine. Also used in the manufacture of glass. Paper. Detergent. Soap. Dye. Synthetic fiber. Tanning. Medicine and ceramics industries. Analysis reagents, such as nitrogen determination, dehydrating agent.
(7) Morpholine is used for the analysis of reagents and resins, wax, casein, shellac and a variety of solvents solvent.
(8) Morpholine could produce salt after reacting with inorganic acid, and it also could produce salt or amide after reacting with organic acid. It also can be alkylated, and it also could come up a ketone reaction or Willgerodt reaction with ethylene oxide.
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