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Tris(1-chloro-2-propyl) Phosphate (TCPP)

TCPP, or tris(1-chloro-2-propyl) phosphate, is a chlorinated phosphate ester flame retardant supplied as a colorless to pale yellow transparent liquid. It is widely used in rigid and flexible polyurethane foams, including insulation and cushioning formulations.

TCPP can also be evaluated for selected coating, adhesive and polymer systems. The required dosage and final material performance depend on the complete formulation.
  • aozun

  • Tris(2-chloroisopropyl) phosphate

  • colorless or pale yellow transparent liquid

  • 13674-84-5

  • C₉H₁₈Cl₃O₄P

  • 327.57 g/mol

  • 237-158-7

  • Water solubility: approximately 1.08 g/L at 20°C

Availability:

Product Description

Product Overview

Tris(1-chloro-2-propyl) phosphate, commonly abbreviated as TCPP, is a liquid phosphate ester flame retardant within our organic chemicals range.

Its main application is in polyurethane foam formulations. It can also provide a plasticizing or viscosity-reducing effect in suitable systems. Compatibility, dosage and processing performance should be assessed for the intended formulation.


Chemical Identification

Item Information
Product name Tris(1-chloro-2-propyl) Phosphate
Abbreviation TCPP
Synonym Tris(2-chloroisopropyl) phosphate
CAS number 13674-84-5
EC number 237-158-7
Molecular formula C₉H₁₈Cl₃O₄P
Molecular weight 327.57 g/mol
Appearance Colorless to pale yellow transparent liquid
Water solubility Approximately 1.08 g/L at 20°C


Key Properties

  • Phosphorus- and chlorine-containing additive flame retardant.

  • Liquid form suitable for blending into compatible formulations.

  • Established use in rigid and flexible polyurethane foams.

  • Can contribute plasticizing and viscosity-reducing effects in suitable systems.

  • Final performance depends on loading, formulation and processing conditions.


Applications

Polyurethane Foams

  • Used in rigid polyurethane foam formulations for thermal insulation.

  • Used in selected flexible polyurethane foam systems.

  • Addition level should be evaluated against processing and foam-property requirements.


Construction Materials

  • Used in polyurethane insulation panels, sandwich-panel cores and spray-foam formulations.

  • Helps improve the fire performance of appropriately formulated materials.

  • Finished products require testing against the applicable fire-performance standard.


Coatings and Adhesives

  • Evaluated as a flame-retardant additive in selected coating and adhesive formulations.

  • Compatibility, adhesion and mechanical properties should be checked during formulation trials.


Plastics and Polymers

  • Used in selected thermoset and thermoplastic formulations.

  • Can provide flame-retardant and plasticizing functions where compatible with the polymer system.


Automotive and Furniture Materials

  • Used in selected polyurethane foam formulations for cushioning and related components.

  • Suitability depends on the end-use specification, exposure requirements and finished-product testing.


Packaging and Storage

Packaging

  • Drum packaging: Confirm drum type and net weight when ordering.

  • IBC or bulk options: Confirm availability and shipment requirements.

  • Packaging and labeling should match the supplied grade and transport requirements.


Storage

  • Store in a cool, dry, well-ventilated area.

  • Keep containers securely closed.

  • Protect from excessive heat and direct sunlight.

  • Follow the storage conditions and shelf life stated in the supplier’s documentation.


Safety and Handling

  • For professional and industrial use.

  • Wear suitable chemical-resistant gloves and eye protection.

  • Avoid skin and eye contact.

  • Avoid breathing mist or spray generated during handling.

  • Prevent spills from entering drains or waterways.

  • Consult the current SDS for handling, storage, disposal and transport information.


Frequently Asked Questions

What Is TCPP Mainly Used For?

TCPP is mainly used as an additive flame retardant in polyurethane foams. Other applications include selected coatings, adhesives and polymer formulations.


Is TCPP Suitable for Both Rigid and Flexible PU Foams?

TCPP is used in both types of polyurethane foam. The appropriate grade and dosage depend on the foam formulation, processing conditions and required finished-product properties.


Does TCPP Affect Foam Processing?

It can affect blend viscosity and foam properties. Evaluate the addition level through formulation trials rather than assuming that processing performance will remain unchanged.


Is TCPP a Halogen-Free Flame Retardant?

No. TCPP contains chlorine and phosphorus, so it is not a halogen-free flame retardant.


Does Adding TCPP Guarantee a Particular Fire Rating?

No. Fire performance depends on the full formulation, material thickness, product construction and test method. The finished material must be tested against the required standard.


Which Product Documents Should I Request?

Request the technical data sheet, safety data sheet and a recent batch COA. Confirm important purchasing parameters such as viscosity, water content, acid value and color against the agreed specification.


Why Choose Aozun Chemical?

Aozun Chemical supports industrial chemical sourcing and export enquiries.

  • Product specification matching for the intended application.

  • Packaging and shipment coordination.

  • Product-document confirmation before ordering.

  • Bulk quotation support based on quantity and destination.


Contact Us

For TCPP specifications, pricing or supply enquiries, contact our sales team with your application, order quantity, required quality parameters, packaging preference and destination port.

Email: lisa@aozunchem.com
WhatsApp: +86 186 5121 5887


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