Skip to Content
Merck
CN
All Photos(1)

Key Documents

View All Documentation

Safety Information

T61204

Sigma-Aldrich

Triethyl phosphite

98%

Synonym(s):

P(EtO)3, P(OEt)3

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
(C2H5O)3P
CAS Number:
122-52-1
Molecular Weight:
166.16
Beilstein:
956578
EC Number:
204-552-5
MDL number:
MFCD00009084
UNSPSC Code:
12352108
PubChem Substance ID:
24900347
NACRES:
NA.22

Quality Level

200

Assay

98%

reaction suitability

reaction type: Reductions

impurities

≤1% triethyl phosphate and diethyl phosphite

refractive index

n20/D 1.413 (lit.)

bp

156 °C (lit.)

density

0.969 g/mL at 25 °C (lit.)

SMILES string

CCOP(OCC)OCC

InChI

1S/C6H15O3P/c1-4-7-10(8-5-2)9-6-3/h4-6H2,1-3H3

InChI key

BDZBKCUKTQZUTL-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Used as a reducing agent; can react with electrophiles to form phosphonates or phosphates; forms a stable complex with copper(I) iodide.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H302,H317,H412

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Flam. Liq. 3 - Skin Sens. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

129.2 °F - closed cup

Flash Point(C)

54 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

监管及禁止进口产品

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
STBL3475
STBL4741
STBL1302
MKCT6452
STBK7351

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

A Useful Synthesis of 1-Aminocyclopropanephosphonic Acid from Cyclopropanone Acetal.
Antoine Fadel
The Journal of organic chemistry, 64(13), 4953-4955 (2001-10-25)
Kyriacos Agapiou et al.
Journal of the American Chemical Society, 126(14), 4528-4529 (2004-04-09)
Exposure of enone substrates 1a-18a, which possess appendant ketone, ester, and nitrile moieties, to Et2Zn in the presence of catalytic Cu(OTf)2/P(OEt)3 provides the cyclized products in good to excellent yields and diastereoselectivities. These results represent the first use of ketones
Misner, J. W.; Fisher, J. W. et al.
Tetrahedron Letters, 44, 5991-5991 (2003)
Gabriele Albertin et al.
Dalton transactions (Cambridge, England : 2003), 44(35), 15470-15480 (2015-08-04)
Diazoalkane complexes [Ru(Tp)(N2CAr1Ar2)(PPh3)L]BPh4 ( and ) [Tp = tris(pyrazolyl)borate; L = P(OMe)3, P(OEt)3; Ar1 = Ar2 = Ph; Ar1 = Ph, Ar2 = p-tolyl; Ar1Ar2 = C12H8] were prepared by allowing chloro-compounds RuCl(Tp)(PPh3)L to react with diazoalkane in the presence
Stowell, J. K.; Widlanski, T. S. et al.
Tetrahedron Letters, 36, 1825-1825 (1995)
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service