Morpholine

Description

Morpholine · CAS 110-91-8 · C4H9NO. UNII 8B2ZCK305O. Boiling Point: 264 °F at 760 mmHg (NTP, 1992); Boiling Point: 128 °C; Boiling Point: 129 °C.

Identification

Computed Descriptors

Physical & Chemical Properties

Physical description & handling notes

• Morpholine appears as a colorless liquid with a fishlike odor. Flash point 100 °F. Corrosive to tissue. Less dense than water and soluble in water. Vapors heavier than air. Used to make other chemicals, as a corrosion inhibitor, and in detergents.
• Liquid
• Colorless liquid with a weak, ammonia- or fish-like odor. [Note: A solid below 23 degrees F.]; [NIOSH]
• COLOURLESS HYGROSCOPIC LIQUID WITH CHARACTERISTIC ODOUR.
• Colorless liquid with a weak, ammonia- or fish-like odor.
• Colorless liquid

Regulatory Status

GHS Hazard Classification

Documented Uses

• Plastic Composites Manufacturing [Category: Industry]
• Morpholine is used as a separating agent for volatile amines; an intermediate for textile lubricants; in the synthesis of rubber accelerators and pharmaceuticals. It is also used as a solvent, as a boiler water additive, and in the formulation of waxes, polishers, and cleaners.
• Solvent for resins, waxes, casein, dyes
• Rubber accelerator, solvent, additive to boiler water, waxes and polishes, optical brightener for detergents, corrosion inhibitor, preservation of book paper, organic intermediate (catalyst, antioxidants, pharmaceuticals, bactericides, etc.)
• For more Uses (Complete) data for Morpholine (7 total), please visit the HSDB record page.
• Not Known or Reasonably Ascertainable

Synonyms

MORPHOLINE; 110-91-8; 1-Oxa-4-azacyclohexane; Diethylene oximide; Tetrahydro-1,4-oxazine; Diethylenimide oxide; Diethyleneimide oxide; Diethylene imidoxide; Drewamine; Tetrahydro-2H-1,4-oxazine; Tetrahydro-p-oxazine; p-Isoxazine, tetrahydro-; Tetrahydro-1,4-isoxazine; BASF 238; 2H-1,4-Oxazine, tetrahydro-; 4H-1,4-Oxazine, tetrahydro-

Frequently Asked Questions

What are the CAS number and molecular formula of Morpholine?

CAS 110-91-8; molecular formula C4H9NO; molecular weight — g/mol.

What other names is Morpholine known by?

MORPHOLINE, 110-91-8, 1-Oxa-4-azacyclohexane, Diethylene oximide, Tetrahydro-1,4-oxazine, Diethylenimide oxide.

What is the regulatory status of Morpholine?

Documented regulatory listings: FDA Substance added to food: BOILER WATER ADDITIVE; FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Morpholine classified as hazardous?

Hazard statements reported: H226, H302, H312, H314, H332.

What are the key physical properties of Morpholine?

Boiling Point: 264 °F at 760 mmHg (NTP, 1992); Boiling Point: 128 °C; Boiling Point: 129 °C; Boiling Point: 264 °F.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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