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Send EmailTrioctyl Phosphate, Tris (2-ethylhexyl) Phosphate, TEHP, TOP, 78-42-2
Tris(2-ethylhexyl) phosphate (CAS 78-42-2), also known as TEHP or TOP, optimized for cataloging, sourcing, and regulatory workflows:
🧪 Basic Chemical Profile
| Property | Value |
|---|---|
| Chemical Name | Tris(2-ethylhexyl) phosphate |
| CAS Number | 78-42-2 |
| Molecular Formula | C₂₄H₅₁O₄P |
| Molecular Weight | 434.64 g/mol |
| Appearance | Clear, colorless to pale yellow liquid |
| Density | ~0.92 g/mL at 20 °C |
| Flash Point | >230 °F / ~110 °C |
| Boiling Point | ~215 °C @ 4 mmHg |
| Solubility | Insoluble in water; soluble in alcohol, acetone, ether |
| HS Code | 29190090 |
🧰 Industrial Applications
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Plasticizer: Used in PVC, PU, NBR for cold flexibility and flame retardancy
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Pigment Carrier: In polymer coloring processes
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Cutting Fluids: Component in metalworking formulations
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Release Agents: For metal casting
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Hydrogen Peroxide Synthesis: As a solvent
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Antifoaming Agent: In various industrial systems
⚠️ Safety & Regulatory
| Classification | Details |
|---|---|
| GHS Symbols | ⚠️ Warning |
| Hazard Codes | H315 (Skin Irritation), H319 (Eye Irritation), H335 (Respiratory Irritation) |
| Storage | Store below 30 °C, in tightly sealed containers |
| REACH Status | Registered in ECHA CHEM database |
| FDA Use | Indirect additive in food contact substances |
