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Triethyl Phosphate CAS 78-40-0 TEP

Triethyl phosphate is used in a wide range of applications, for example as an auxiliary in textiles and paper products, as a plasticizer in plastics and coatings, as a non-reactive flame retardant, as a hardener and accelerator, as a lubricant, as a flotation agent, as an antifoamer, as an emulsifier, as a stabilizer or as an extractant.


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Model:
78-40-0
Brand:
boss chem
Code:
78-40-0

Product Description

Triethyl Phosphate (TEP )

CAS No.78-40-0

Alias: ETHYL PHOSPHATE;ETHYL ACID PHOSPHATE;AURORA KA-1638;TEP;PHOSPHORIC ACID TRIETHYL ESTER;Ethyl phosphate, TEP;Phosphoric acid ethyl;Phosphoric acid triethyl

Molecular formula: C6H15O4P

Relative molecular mass: 182.15

Structural formula:

78-40-0

1. Performance and use:

Triethyl Phosphate (TEP) is a colorless, high-boiling liquid and containing 17 wt % phosphorus; mild odor. Very stable at ordinary temperatures, compatible with many gums and resins, soluble in most organic solvents, miscible with water. When mixed with water is quite stable at room temperature, but at elevated temperatures it hydrolyzes slowly.

Triethyl phosphate is use as a flame retardant in the manufacture of polyisocyanurate (PIR) and polyurethane (PUR) foam insulation and thermoset plastic products.

The chemical compound is also used as a viscosity reducer in plastic resins, and as a catalyst, solvent or intermediate in the production of pesticides, pharmaceuticals, lacquers and other products.As ethylating agent; formation of polyesters which are used as insecticides.

2. Technical indicators

Triethyl phosphate Basic information
Product Name:	Triethyl phosphate
CAS:	78-40-0
MF:	C6H15O4P
MW:	182.15
EINECS:	201-114-5
Triethyl phosphate Chemical Properties
Melting point	-56 °C
Boiling point	215 °C(lit.)
density	1.072 g/mL at 25 °C(lit.)
vapor density	6.28 (vs air)
vapor pressure	1 mm Hg ( 40 °C)
refractive index	n20/D 1.403(lit.)
Fp	240 °F
storage temp.	Store below +30°C.
solubility	500g/l (slow decomposition)
form	Liquid
Specific Gravity	1.072
color	Clear
PH	7 (H2O, 20℃)
explosive limit	1.2-10%(V)
Water Solubility	SOLUBLE
Hydrolytic Sensitivity	7: reacts slowly with moisture/water
Merck	149,674
BRN	1705772

Item	Quality indicators
Appearance	Colorless transparent liquid
Assay	99.5% min
Refractive index(nD20)	1.4050-1.4070
Acid value(mgKOH/g)	≤0.05
Specific gravity(20/20℃)	1.069-1.073
Chroma	≤20
Moisture	≤0.2%

3. Packaging and storage

TEP liquid is packaged in plastic barrels, 30kg or 250kg per barrel, which can also be determined according to user needs.

Store in a cool and ventilated place indoors, avoid moisture and exposure, and the storage period is twelve months.

4. Safety protection

Triethyl Phosphate is a flame retardant that exhibits low acute toxicity after oral, dermal or inhalation exposure. It is moderately toxic by ingestion, intraperitoneal, and intravenous routes. Experimental reproductive effects. Mutation data reported. Causes cholinesterase inhibition, but to a lesser extent than parathion. May be expected to cause nerve injury similar to that of other phosphate esters. Triethyl phosphate is stable under normal conditions of use. Avoid contact with strong bases and oxidizing agents. Triethyl phosphate is combustible at high temperatures. Heating to decomposition may release carbon dioxide, carbon monoxide, phosphorus oxides and other potentially toxic fumes or gases. Avoid heat, open flames and other potential sources of ignition.

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