Tributyl Phosphate (TBP)

Tributyl Phosphate (TBP) is a colorless, odorless organophosphorus compound widely recognized as a versatile extractant, plasticizer, and solvent in industrial applications.

Appearance:
colorless transparent liquid
CAS No.:
126-73-8
Molecular Formula:
C12H27O4P
Molecular Weight:
266.31
EINECS:
204-800-2
Solubility:
Insoluble in water

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Product Description

Product Description

Tributyl Phosphate (TBP) is a colorless, odorless organophosphorus compound widely recognized as a versatile extractant, plasticizer, and solvent in industrial applications. It is an ester of phosphoric acid and n-butanol, valued for its ability to form stable hydrophobic complexes with metals, making it essential in solvent extraction processes.

Technical Specification

ITEMS	SPECIFICATIONS
Appearance	colorless transparent liquid
Content	≥99.0%
Density (20℃) g/ml	0.975-0.980
Refractive Index (N20D)	1.423-1.425
Acid Value	≤0.002%
Water	≤0.1%

Packaging and Storage

Net weight 200kg iron drum or 1000kg IBC drum.
Store in shady, airy and dry warehouse. Keep away from fire and rain.

Applications of Tributyl Phosphate (TBP)

Nuclear Industry:

Primary extractant in the PUREX process for reprocessing spent nuclear fuel, separating uranium and plutonium.

Metal Extraction:

Solvent for rare earth metals and other metal purification from ores.

Plasticizer:

Enhances flexibility in polymers like cellulose esters, nitrocellulose, and PVC.

Defoaming Agent:

Used in paints, inks, adhesives, and herbicides to reduce foam.

Hydraulic Fluids and Lubricants:

Component in aircraft hydraulic fluids and brake fluids for heat resistance.

Flame Retardant:

Added to materials for improved fire safety.

Frequently Asked Questions (FAQs)

Q: What are the main uses of Tributyl Phosphate (TBP)?

A: TBP is widely used in nuclear fuel reprocessing (PUREX process), rare earth metal extraction, as a plasticizer in polymers, defoamer in paints and inks, and in hydraulic fluids.

Q: Is Tributyl Phosphate (TBP) toxic?

A: Yes, TBP is harmful if swallowed, causes skin irritation, and is suspected of causing cancer. Prolonged exposure may affect the liver, kidneys, and nervous system. Handle with care and use PPE.

Q: How is Tributyl Phosphate (TBP) stored safely?

A: Store in cool, dry, well-ventilated areas in sealed containers, away from incompatible materials like strong oxidizers.

Q: Can Tributyl Phosphate (TBP) be used in consumer products?

A: It appears in some herbicides, paints, and hydraulic fluids, but exposure is generally low.

Q: Is Tributyl Phosphate (TBP) biodegradable?

A: TBP is not readily biodegradable and can persist in the environment, though microbial degradation can occur over weeks to months in water.