PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER
tris(2-ethylhexyl) phosphate
CAS: 78-42-2
Molecular Formula: C24H51O4P
PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER - Names and Identifiers
| Name | tris(2-ethylhexyl) phosphate |
| Synonyms | TRIOCTYL PHOSPHATE 'TRIOCTYL' PHOSPHATE 2-ethyl-1-hexanophosphate TRI(2-ETHYLHEXYL)PHOSPHATE TRIS(2-ETHYLHEXYL) PHOSPHATE tris(2-ethylhexyl) phosphate PHOSPHORIC ACID TRIOCTYL ESTER 1-Hexanol, 2-Ethyl-, phosphate Phosphoric acid tris(2-ethylhexyl) ester PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER |
| CAS | 78-42-2 |
| EINECS | 201-116-6 |
| InChI | InChI=1/C36H75O4P/c1-13-25-28-31(16-4)34(19-7,20-8)38-41(37,39-35(21-9,22-10)32(17-5)29-26-14-2)40-36(23-11,24-12)33(18-6)30-27-15-3/h31-33H,13-30H2,1-12H3 |
PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER - Physico-chemical Properties
| Molecular Formula | C24H51O4P |
| Molar Mass | 434.63 |
| Density | 0.92 g/mL at 20 °C(lit.) |
| Melting Point | -70℃ |
| Boling Point | 215 °C4 mm Hg(lit.) |
| Flash Point | >230 °F |
| Water Solubility | <0.1 g/100 mL at 18℃ |
| Vapor Presure | 2.1 mm Hg ( 20 °C) |
| Appearance | Transparent liquid |
| Storage Condition | Sealed storage |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.454 |
| MDL | MFCD00009491 |
| Physical and Chemical Properties | density 0.92 melting point -70°C refractive index 1.444 flash point> 110°C water-soluble <0.1g/100 mL at 18°C |
| Use | Can be used in the production of hydrogen peroxide in the anthraquinone process instead of hydrogenated terpene Pinitol, so that the product has high concentration, good quality, less consumption, but also can be used as a cold-resistant plasticizer for PVC |
PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R38 - Irritating to the skin |
| Safety Description | S23 - Do not breathe vapour. S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) S24/25 - Avoid contact with skin and eyes. |
PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER - Upstream Downstream Industry
| Raw Materials | 2-Ethyl-1-hexanol Phosphorus oxychloride |
| Downstream Products | Hydrogen peroxide |
PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER - Introduction
Soluble in mineral oil, gasoline, ethanol and benzene, insoluble in water. Toxic. There are carcinogenic possibilities and irritants.
Last Update：2022-10-16 17:28:53
PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER - Introduction
Trioctyl phosphate is widely used as a flame retardant, plasticizer, and extractant in the production of chemical enterprises. Its most important use is the production of hydrogen peroxide. As the solvent of hydrogen anthraquinone, trioctyl phosphate has the conditions of high solubility of hydrogen anthrone, high distribution coefficient of hydrogen peroxide between water and solvent, high boiling point and high ignition point.
Last Update：2024-04-10 22:29:15
PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER - Application
- can replace hydrogenated terpene pine alcohol in hydrogen peroxide produced by anthraquinone method, so that the product has high concentration, good quality and low self-consumption, and can also be used as a cold-resistant plasticizer for PVC
- extractant. Plasticizer.
Last Update：2025-08-19 16:24:40
PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER - Security information
| dangerous goods mark | Xi |
| hazard category code | 38 |
| safety instructions | 23-43-24/25 |
| WGK Germany | 2 |
| RTECS number | MP0770000 |
| auto-ignition temperature | 370 °C |
| TSCA | Yes |
| customs code | 29190090 |
| toxic substance data | 78-42-2(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 37000 mg/kg LD50 dermal Rabbit 20000 mg/kg |
Last Update：2024-04-10 22:29:15
PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER - Nature
| melting point | -70°C |
| boiling point | 215 °C4mm Hg(lit.) |
| density | 0.92 g/mL at 20 °C(lit.) |
| Vapor pressure | 2.1mm Hg ( 20 °C) |
| refractive index | n20/D 1.444(lit.) |
| flash point | >230 °F |
| storage conditions | Store below 30°C. |
| solubility | <0.001g/l |
| morphology | Liquid |
| Specific gravity | 0.93 |
| PH value | 7 (H2O, 20℃) |
| water solubility | <0.1 g/100 mL at 18 °C |
| BRN | 1715839 |
| NIST chemical information | 2-Ethylhexanol phosphate (3:1)(78-42-2) |
| EPA chemical information | Tris(2-ethylhexyl) phosphate (78-42-2) |
Last Update：2024-04-09 18:58:34
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Raw Materials for PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER
Downstream Products for PHOSPHORIC ACID TRIS(2-ETHYLHEXYL) ESTER