Triethylphosphine oxide - ≥98% , CAS No.597-50-2

CAS: 597-50-2 Cat. No.: T282155 Molecular Weight: 134.16 EC Number: 678-907-1 PubChem CID: 79061
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Triethylphospine oxide | UNII-EBL8T8KF7P | 4-04-00-03463 (Beilstein Handbook Reference) | MFCD00013914 | BRN 1741571 | TL 433 | Et3PO | 1-diethylphosphorylethane | DTXSID40208407 | Phosphine oxide, triethyl- | AI3-51002 | EBL8T8KF7P | SY061293 | TRIETHYLP
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
T282155-250mg
2

$58.90

$88.90
Save $30.00 (33.75%)
1g
T282155-1g
1

$168.90

$253.90
Save $85.00 (33.48%)
5g
T282155-5g
1

$633.90

$950.90
Save $317.00 (33.34%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Application

Triethylphosphine oxide is used as a probe molecule and systems are evaluated by 31P NMR spectroscopy. Triethylphosphine oxide is used to produce tris(perfluoroethyl)difluorophosphane. This reaction will need reagent of HF. This reaction needs electrochemical fluorination.


Specifications

Synonyms
Triethylphospine oxide | UNII-EBL8T8KF7P | 4-04-00-03463 (Beilstein Handbook Reference) | MFCD00013914 | BRN 1741571 | TL 433 | Et3PO | 1-diethylphosphorylethane | DTXSID40208407 | Phosphine oxide, triethyl- | AI3-51002 | EBL8T8KF7P | SY061293 | TRIETHYLP
Specifications & Purity
≥98%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488185672
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488185672
Canonical SmilesCCP(=O)(CC)CC
IUPAC Name1-diethylphosphorylethane
InChIKeyZSSWXNPRLJLCDU-UHFFFAOYSA-N
INCHI1S/C6H15OP/c1-4-8(7,5-2)6-3/h4-6H2,1-3H3
Isomeric SMILES CCP(=O)(CC)CC
PubChem CID 79061
Molecular Weight 134.16

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganophosphorus compounds
ClassOrganic phosphines and derivatives
SubclassOrganophosphine oxides
Intermediate Tree Nodes Not available
Direct ParentOrganophosphine oxides
Alternative Parents Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Organophosphine oxide - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organophosphine oxides. These are organic compounds containing the phosphine oxide group, with the general formula R3P=O or R3P+O-.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

12 results found

Lot NumberCertificate TypeDateItem
F2301862Certificate of AnalysisMar 16, 2026 T282155
F2301867Certificate of AnalysisMar 16, 2026 T282155
E2615131Certificate of AnalysisJul 17, 2025 T282155
G2530592Certificate of AnalysisJul 17, 2025 T282155
G2530593Certificate of AnalysisJul 17, 2025 T282155
G2530596Certificate of AnalysisJul 17, 2025 T282155
C2419482Certificate of AnalysisMar 08, 2024 T282155
C2419483Certificate of AnalysisMar 08, 2024 T282155
C2419484Certificate of AnalysisMar 08, 2024 T282155
F2301868Certificate of AnalysisMay 23, 2023 T282155
F2301870Certificate of AnalysisMay 23, 2023 T282155
F2302318Certificate of AnalysisMay 23, 2023 T282155

Show more ⌵

Chemical and Physical Properties
SolubilitySoluble in water.
SensitivityHygroscopic;Air sensitive
Boil Point(°C)84-85°C/3 mm
Melt Point(°C)52-53°C
Molecular Weight134.160 g/mol
XLogP30.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count3
Exact Mass134.086 Da
Monoisotopic Mass134.086 Da
Topological Polar Surface Area17.100 Ų
Heavy Atom Count8
Formal Charge0
Complexity79.700
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Sheli Zhang, Yuerong Yan, Huijie Shan, Yunchang Fan, Haibao Zhu.  (2025)  A flexible linker-based indium frameworks as highly efficient catalysts for carbon dioxide conversion.  JOURNAL OF SOLID STATE CHEMISTRY,      [PMID:] [10.1016/j.jssc.2025.125650]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.