Factory and Activities
Specifications
General Information
| Property | Detail |
|---|---|
| Product Name | Triethyl Phosphate (TEP) |
| CAS Number | 78-40-0 |
| Chemical Type | Organophosphate ester |
| Appearance | Colorless transparent liquid |
| Export Entity | Zhejiang Bastone Technology Co., Ltd |
Technical Properties
| Parameter | Specification | Unit |
|---|---|---|
| Content | ≥99.5 | % |
| Density (20°C) | 1.069–1.073 | g/cm³ |
| Refractive Index (η20D) | 1.4050–1.4070 | — |
| Acid Value | ≤0.05 | mgKOH/g |
| Color (Pt-Co, APHA) | ≤20 | — |
| Water Content | ≤0.05 | % |
All values per Bastone internal test methods. Certificate of analysis provided per shipment.
Applications
Flame-Retardant PVC Compounds
TEP's primary application is in PVC formulations where fire resistance is required by product specification. Cable jacketing for building wire, flexible conduit, and fire-retardant sheeting all rely on phosphate plasticizers to meet UL, IEC, or GB combustion standards. Phosphorus-based flame retardancy operates in both the gas phase and the condensed phase during burning, making it particularly effective in oxygen-containing polymers like PVC. Formulators typically blend TEP alongside a conventional plasticizer — DOP, DINP, or DOTP — to balance flame retardancy, flexibility, and cost within a target phr range.
Coatings and Resin Systems
TEP serves as a reactive diluent and flame-retardant additive in solvent-borne and waterborne coating formulations. In epoxy and polyurethane systems, TEP reduces viscosity while adding phosphorus-based fire resistance to the cured film. The high purity (≥99.5%) and low color (APHA ≤20) make it suitable for clear coat systems and light-colored industrial finishes where discoloration would be visible in the final product.
Chemical Synthesis and Intermediates
TEP is a widely used intermediate in organophosphate synthesis, including agricultural chemicals and pharmaceutical manufacturing. The ≥99.5% purity grade Bastone supplies meets the consistency requirements for synthesis reactions where residual impurities reduce yield or introduce downstream purification steps.
Why Choose Bastone
Bastone manufactures TEP at its own production facilities in Hangzhou — buyers deal directly with the manufacturer, not a trading company. Factory-direct supply removes the intermediary margin and gives buyers direct access to production scheduling, batch documentation, and technical staff who can address formulation-specific questions.
Quality control covers every production batch. Bastone's internal lab verifies purity, acid value, color, and water content before any lot is released. Formulators who have experienced off-spec plasticizers causing stabilizer consumption or processing discoloration understand why acid value and water content control matter in practice. Bastone's limits on both parameters (≤0.05 mgKOH/g acid value, ≤0.05% water) reflect production discipline — not just numbers chosen to fill a datasheet.
Bastone's export team has coordinated shipments to buyers in Southeast Asia, the Middle East, Europe, and the Americas. Standard documentation ships with every order, and Bastone's logistics team can assist with customs classification and import requirements for buyers sourcing organophosphate products for the first time.
Sourcing & Logistics
| Parameter | Detail |
|---|---|
| Packaging | 200 kg drums; 1,000 L IBC tanks |
| Export Entity | Zhejiang Bastone Technology Co., Ltd |
| Port of Loading | Ningbo / Shanghai |
| Trade Terms | FOB, CIF, EXW (negotiable) |
| Documentation | COA, SDS, commercial invoice, packing list, bill of lading |
| Sample Availability | Lab samples available on request |
| Contact | [email protected] |
