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| Synonyms:TOP TEHP（Tris(2-ethylhexyl) phosphate TOF Tri(2-ethylhexyl) phosphate Phosphoric acid, tris(2-ethylhexyl) ester Tris(2-ethylhexyl) phosphate (CAS 78-42-2) Molecular Formula:C24H51O4P Molecular Weight: 434.63 HS Code: 2919900090 Grade: Industrial grade 99.5% Hazard Class:General Cargo | |||||||||
78-42-2
bosschemical
78-42-2
| Description | Tris(2-ethylhexyl) Phosphate, Trioctyl Phosphate (TOP) | |||
Specification | Customer requirement | Results of Inspection | Inspection standard | |
Appearance | Colourless Liquid | Colourless Liquid | VISUAL INSPECTION | |
Purity % ≥ | 99 | 99. 55 | Gas chromatography | |
Acidity mgKOH/g ≤ | 0. 15 | 0. 09 | GB/T1668 | |
Density (20℃)g/cm3 | 0. 924±0.003 | 0. 924 | GB/T4472 | |
Flash Point ℃ ≥ | 192 | 194 | GB/T1671 | |
Surface tension mN /m ≥ | 18 | 20 | GB/T5549 | |
Viscosity ( Centipoise )≤25℃ | 14 | 13 | GB/T1660 | |
Refractive Index (20℃) | 1.441±0.001 | 1.441 | GB/T6488 | |
Water Content % ≤ | 0.1 | 0.08 | GB/T6283 | |
Color ( Pt-Co) ≤ | 20 | 3.5 | GB/T1664 | |
INSPECTION RESULT: | Qualified | |||
1. For Flame-Retardant Plasticizers: Tris(2-ethylhexyl) phosphate (TEHP, CAS 78-42-2) is a phosphate-ester plasticizer with flame-retardant properties for PVC and polymer compounds, improving flame resistance, flexibility and low-temperature performance in films, cables and technical products.
2. For Fire-Resistant Hydraulic Fluids: TEHP is a base component in fire-resistant hydraulic fluids and industrial lubricants, providing good lubricity, thermal stability and hydrolysis resistance for demanding hydraulic systems.
3. For Lubricant Additives: As a phosphate-ester anti-wear additive, TEHP improves load-carrying performance and wear protection in lubricating oils and metalworking fluids.
4. For Solvent Extraction: TEHP is used as an extraction solvent in hydrometallurgical and chemical separation processes, supporting metal recovery and selective separation applications.
5. Consistent Quality For Global Industry: Supplied as high-purity colorless to light yellow liquid with consistent assay and quality, TEHP gives polymer, hydraulic, lubricant and extraction manufacturers a dependable phosphate ester with flexible packaging and stable supply.
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