Triethyl phosphate

Basic Information

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CAS Number

78-40-0

Molecular Formula

C6H15O4P

Molecular Weight

182.16 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Agricultural Chemicals Pesticides Insecticides

Basic Physical Properties

Melting Point

-56 ºC

Boiling Point

215 °C

Density

1.072 g/mL at 25 °C

Solubility

500g/l (slow decomposition)

Refractive Index

n20/D 1.403(lit.)

Vapor Pressure

1 mmHg ( 40 °C)

SMILES

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CCOP(=O)(OCC)OCC

InChI

InChI=1S/C6H15O4P/c1-4-8-11(7,9-5-2)10-6-3/h4-6H2,1-3H3

InChIKey

DQWPFSLDHJDLRL-UHFFFAOYSA-N

LogP

2.2039999999999997

Topological Polar Surface Area

44.760000000000005 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

113

Safety Information

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GHS Hazard Pictograms

H302

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

Stability

Stable. Combustible. Incompatible with strong oxidizing agents, water.

Sensitiveness

Sensitive to moisture

Explosive Limit

1.2-10%(V)

Synonyms & References

English

Triethyl phosphate
AURORA KA-1638
ETHYL ACID PHOSPHATE
ETHYL PHOSPHATE
PHOSPHORIC ACID TRIETHYL ESTER
TEP
(C2H5O)3PO
Ethyl phosphate ((EtO)3PO)
Ethyl phosphate, tri-
o-Phosphoric acid triethyl ester
phosphatedetriethyle
Phosphoric ether
triethoxyphosphineoxide
Triethylfosfat
Tris(ethyl) phosphate
Triethyl Phosphate (TEP)
Triethylphosphatecolorlessliq
TRIETHYL ORTHOPHOSPHATE
TRIETHYL PHOSPHAYE
Triethylphosphate Solution
diethylphosphoric acid ethyl ester
Triethylphosphate
Phosphoric acid, triethyl ester
Triethoxyphosphine oxide
Triethylfosfat [Czech]
Ethyl phosphate (VAN)
Triethyl phosphate, 99%
QIH4K96K7J
DQWPFSLDHJDLRL-UHFFFAOYSA-N
DSSTox_CID_6228
DSSTox_RID_78067

MDL Number

MFCD00009077

Customs Code

29190090

FAQ

What is Triethyl phosphate (CAS: 78-40-0)?

Triethyl phosphate is an organic compound with the chemical formula C8H19O4P. It is a colorless liquid with a slightly sweet odor, commonly used as a flame retardant and stabilizer. It exhibits moderate solubility in water and is stable under normal conditions. Its molecular structure consists of a phosphate group connected to three ethyl groups, making it a versatile compound in various chemical applications.

What are the main uses of Triethyl phosphate (CAS: 78-40-0)?

Triethyl phosphate is widely used in pharmaceuticals as a solvent and excipient. It also serves as a flame retardant in plastics and textiles, and as a stabilizer in lubricants and coatings. In the food industry, it is employed as an emulsifier and in research for its utility in organic synthesis and as a reagent in various chemical processes. Its versatility makes it a key component in multiple sectors.

Is Triethyl phosphate (CAS: 78-40-0) safe?

Triethyl phosphate is generally considered safe when handled properly, but it should be used with caution. It may cause skin and eye irritation, and inhalation of vapors can be harmful. Safety standards recommend wearing protective gear such as gloves and goggles, and ensuring proper ventilation. It is classified as a low-toxicity compound, but long-term exposure should be avoided to ensure safety.

How should Triethyl phosphate (CAS: 78-40-0) be stored?

Triethyl phosphate should be stored in a cool, dry, and well-ventilated area, away from direct sunlight. It is best kept in a sealed container made of non-reactive material like glass or polyethylene to prevent contamination. Storage conditions should maintain a temperature below 25°C and humidity levels under 60% to ensure stability and prolong shelf life.