Technical Data Sheet
Eastman™ Triethyl Phosphate
Applications
Process solvents
Product Description
Eastman™ TEP (Triethyl Phosphate) is a clear, colorless liquid having a mild pleasant odor. TEP is useful as a solvent in many applications, as a plasticizer for tough, fire-resistant plastics, and as an agricultural chemical as an intermediate in preparing tetraethyl pyrophosphate (TEPP).
Typical Properties
Property
Typical Value, Units
General
Molecular Weight
182.16
Molecular Formula
(C
2
H
5
O)
3
PO
Acidity
as H
3
PO
4
0.002 %
Form
Clear, colorless liquid
Odor
Mild, cider-like
Color
Pt-Co
<10 ppm
Specific Gravity
@ 20°C/20°C
1.067-1.072
Boiling Point
209 °C (408 °F)
Refractive Index
1.4037 n(25°C/D)
Evaporation Rate
@ 100°C
4.54 (g/1000 cm
2)
/h
Viscosity
@ 20°C
1.76 cP
@ 71°C
0.82 cP
Flash Point
Pensky-Martens Closed Cup
99 °C (210 °F)
Fire Point
a
141 °C (285 °F)
Flammability Limits in Air, % by Volume
Lower @ 139°C
1.7 Vol %
Upper @ 163°C
10 Vol %
Water
0.02 wt %
Melting Point
-56 °C
Freezing Point
-56 °C (-69 °F)
Assay
99 wt % min.
a
Cleveland Open Cup
Comments
Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.
Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.
2/28/2018 11:35:39 AM