Chemical Identity and Physical Properties

Phosphoric Acid Trisdecyl Ester, commonly referred to as tridecyl phosphate, is a symmetric trialkyl ester of phosphoric acid in which three decyl (C10) chains are esterified to the central phosphorus atom. Its molecular formula is C₃₀H₆₃O₄P, giving a relatively high molecular weight consistent with a low-volatility liquid at ambient temperature.

Key physicochemical characteristics include a high boiling point, negligible vapor pressure under standard laboratory conditions, and good miscibility with a range of nonpolar and moderately polar organic solvents. The compound is essentially immiscible with water, which underpins its utility in liquid–liquid extraction systems. Its density and viscosity are typical of long-chain trialkyl phosphates, making it easy to handle with standard volumetric glassware.

Note: Specific numerical values for boiling point, density, and viscosity are not confirmed in the supplied source material and should be verified against the Certificate of Analysis or a peer-reviewed reference before reporting.

Laboratory Applications

Phosphoric Acid Trisdecyl Ester serves several important roles in research and analytical laboratories:

• Plasticizer: Trialkyl phosphates are well-established plasticizers for polymeric matrices, particularly poly(vinyl chloride) (PVC) and related materials. Tridecyl phosphate contributes flexibility and processability while resisting migration due to its high molecular weight.
• Liquid–Liquid Extraction Solvent: Organophosphate esters are extensively used in hydrometallurgical and analytical extraction procedures. Tridecyl phosphate can function as a diluent or co-extractant in systems designed to separate and concentrate metal ions from aqueous phases, leveraging its high solvating power and water immiscibility.
• Diluent in Solvent Systems: Its low volatility and chemical stability make it a suitable diluent when preparing custom solvent mixtures for partition studies or membrane applications.
• Research Reagent: As a well-defined chemical entity, Phosphoric Acid Trisdecyl Ester is used as a reference compound in studies of organophosphate behavior, environmental fate, and toxicological screening assays.

Note: Specific published protocols citing this exact compound should be verified independently; the above uses are based on the general chemistry of trialkyl phosphates.

Safety, Handling, and Storage

As with all organophosphate compounds, Phosphoric Acid Trisdecyl Ester should be handled with appropriate precautions, even though trialkyl phosphate esters generally exhibit lower acute toxicity than organophosphate nerve agents or pesticides.

• Personal Protective Equipment (PPE): Wear chemical-resistant gloves, safety glasses, and a laboratory coat. Use in a fume hood if generating aerosols or heating the material.
• Inhalation: Although vapor pressure is low at room temperature, avoid prolonged inhalation of vapors or mists generated during heated operations.
• Skin and Eye Contact: Flush affected areas immediately with copious water. Seek medical attention for eye exposure.
• Storage: Store in a tightly sealed container in a cool, dry, well-ventilated area away from strong oxidizers and ignition sources. Consult the product Safety Data Sheet (SDS) for precise storage temperature recommendations.
• Disposal: Dispose of in accordance with local, regional, and national regulations governing organophosphate-containing waste.

Always consult the current SDS for authoritative hazard information before working with this material.

Product Specifications and Ordering

Aladdin Scientific offers Phosphoric Acid Trisdecyl Ester under SKU P342333. Researchers are encouraged to consult the product page for the most current information on:

• Purity grade and analytical test methods (e.g., GC purity, water content by Karl Fischer)
• Available pack sizes and pricing
• Certificate of Analysis (CoA) download
• Safety Data Sheet (SDS) in multiple languages

The compound is also cross-referenced under Santa Cruz Biotechnology catalog number sc-478911, which may assist researchers reconciling reagent sourcing across suppliers.

For bulk quantities or custom purity requirements, contact Aladdin Scientific's technical sales team directly to discuss options.