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538728

Sigma-Aldrich

Triethyl phosphate

ReagentPlus®, ≥99.8%

Synonym(s):

TEP, Ethyl phosphate

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About This Item

Linear Formula:
(C2H5O)3PO
CAS Number:
78-40-0
Molecular Weight:
182.15
Beilstein:
1705772
EC Number:
201-114-5
MDL number:
MFCD00009077
UNSPSC Code:
12352100
PubChem Substance ID:
24878353
NACRES:
NA.22

vapor density

6.28 (vs air)

vapor pressure

1 mmHg ( 40 °C)

product line

ReagentPlus®

Assay

≥99.8%

autoignition temp.

845 °F

expl. lim.

10 %

refractive index

n20/D 1.403 (lit.)

bp

215 °C (lit.)

density

1.072 g/mL at 25 °C (lit.)

SMILES string

CCOP(=O)(OCC)OCC

InChI

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

InChI key

DQWPFSLDHJDLRL-UHFFFAOYSA-N

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General description

Triethyl phosphate is an alkyl phosphate. It participates in the thermal transformation of sodium acetate-2-C14 to n-butyl acetate-2-C14.

Application

  • Sensor Technology for Chemical Detection: Triethyl phosphate is utilized in the development of trisaryl phosphoric triamide-based resins for a quartz crystal microbalance sensor, enhancing the detection capabilities for sulfur mustard simulants, which is critical in chemical safety and environmental monitoring (Heo et al., 2024).
  • Flame-Retardant Bio-based Composites: Research highlights the use of triethyl phosphate in creating flame-retardant, energy-storage, and transparent bio-based composites, leveraging natural cellulose templates to enhance both safety and environmental sustainability (Li et al., 2024).
  • Environmental Biodegradation Studies: Triethyl phosphate is instrumental in a novel method for rapidly monitoring organophosphate flame retardants (OPFRs) by liquid-liquid extraction and gas chromatography-mass spectrometry, a significant advancement in environmental science for assessing biodegradation (Losantos et al., 2024).

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

266.0 °F - closed cup

Flash Point(C)

130 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Preparation of Ethyl Acetate-2-C14 and n-Butyl Acetate-2-C14 Using Alkyl Phosphates1
Ropp GA.
Journal of the American Chemical Society, 72.5 , 2299-2299 (1950)
Novel PVDF-HFP flat sheet membranes prepared by triethyl phosphate (TEP) solvent for direct contact membrane distillation
Fadhil S, et al.
Chemical Engineering and Processing, 102, 16-26 (2016)
Xiaoyu Du et al.
Materials science & engineering. C, Materials for biological applications, 103, 109731-109731 (2019-07-28)
The fabrication of bone tissue engineering scaffolds with high osteogenic ability and favorable mechanical properties is of huge interest. In this study, a silk fibroin (SF) solution of 30 wt% was extracted from cocoons and combined with mesoporous bioactive glass (MBG)
Xiaodi Ren et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(46), 28603-28613 (2020-11-05)
Functional electrolyte is the key to stabilize the highly reductive lithium (Li) metal anode and the high-voltage cathode for long-life, high-energy-density rechargeable Li metal batteries (LMBs). However, fundamental mechanisms on the interactions between reactive electrodes and electrolytes are still not
A novel approach to recycling of polyurethanes: chemical degradation of flexible polyurethane foams by triethyl phosphate
Troev K, et al.
Polymer, 41.19, 7017-7022 (2000)
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