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Triethylphosphine oxide

Triethylphosphine oxide Structure
Triethylphosphine oxide structure
CAS No.
597-50-2
Chemical Name:
Triethylphosphine oxide
Synonyms
tl433;skf39804;nsc41934;ai3-51002;(C2H5)3P=O;HISHICOLIN PO-2;triethyl-phosphineoxid;Triethylphoshorus oxide;Triethylphosphine oxide;Phosphine oxide, triethyl-
CBNumber:
CB6233479
Molecular Formula:
C6H15OP
Molecular Weight:
134.16
MDL Number:
MFCD00013914
MOL File:
597-50-2.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:54:07
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Triethylphosphine oxide Properties

Melting point 48-52 °C(lit.)
Boiling point 84-85 °C (3 mmHg)
Density 0.884
Flash point 133 °F
form Needles
color White
Water Solubility Soluble in water.
Stability hygroscopic
InChI 1S/C6H15OP/c1-4-8(7,5-2)6-3/h4-6H2,1-3H3
InChIKey ZSSWXNPRLJLCDU-UHFFFAOYSA-N
SMILES CCP(=O)(CC)CC
EWG's Food Scores 1
FDA UNII EBL8T8KF7P
UNSPSC Code 12352001
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a
PPE Eyeshields, Gloves, type N95 (US)
Hazard Codes  C
Risk Statements  34
Safety Statements  45-36/37/39-26
RIDADR  1759
WGK Germany  3
RTECS  SZ1640000
HS Code  29310099
Storage Class 11 - Combustible Solids
NFPA 704
0
3 0

Triethylphosphine oxide price More Price(11)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 562394 Triethylphosphine oxide 97% 597-50-2 1g $89 2023-06-20 Buy
TCI Chemical T4339 Triethylphosphine Oxide min. 95.0 % 597-50-2 250MG $129 2026-04-30 Buy
Strem Chemicals 15-6310 Triethylphosphine oxide, 98% 98% 597-50-2 1g $76 2026-04-30 Buy
Strem Chemicals 15-6310 Triethylphosphine oxide, 98% 98% 597-50-2 5g $308 2026-04-30 Buy
aablocks AA00EDWU Triethylphosphine oxide 98% 597-50-2 250mg $52 2026-05-28 Buy
Product number Packaging Price Buy
562394 1g $89 Buy
T4339 250MG $129 Buy
15-6310 1g $76 Buy
15-6310 5g $308 Buy
AA00EDWU 250mg $52 Buy

Triethylphosphine oxide Chemical Properties, Uses, Production

Chemical Properties

White needles

Uses

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.

reaction suitability

reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Heck Reaction
reaction type: Hiyama Coupling
reaction type: Negishi Coupling
reaction type: Sonogashira Coupling
reaction type: Stille Coupling
reaction type: Suzuki-Miyaura Coupling

Triethylphosphine oxide Preparation Products And Raw materials

Raw materials

Preparation Products

Triethylphosphine oxide Suppliers

Global Suppliers ( 74)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
INTATRADE GmbH +49 3493/605464 sales@intatrade.de Germany 3563 66
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 45000 61
Beijing VSciChem Technology Co., Ltd. 13811761079 vscichem@163.com China 271 64
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 sales@heowns.com China 14412 57
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 452520369 sales@maya-r.com China 11693 57
Thermo Fisher Scientific 800-810-5118 cnchemical@thermofisher.com China 17752 75
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
INTATRADE GmbH 66
Alfa Aesar 84
Energy Chemical 61
Beijing VSciChem Technology Co., Ltd. 64
Shanghai Hanhong Scientific Co.,Ltd. 64
Tianjin heowns Biochemical Technology Co., Ltd. 57
Maya High Purity Chemicals 57
Thermo Fisher Scientific 75

View Latest Price from Triethylphosphine oxide manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Triethylphosphine oxide pictures 2026-08-07 Triethylphosphine oxide
597-50-2
 $1.00 1KG 99% 20 tons Shaanxi Dideu Medichem Co. Ltd

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(C2H5)3P=O (Diethyl-phosphinoyl)-ethane ai3-51002 Triethylphosphine oxide, 98+% 1GR nsc41934 Phosphine oxide, triethyl- skf39804 tl433 Triethylphoshorus oxide triethyl-phosphineoxid Triethylphosphineoxidewhitextl Triethylphosphineoxide,98% HISHICOLIN PO-2 Triethylphosphine oxide 597-50-2 C6H15OP Catalysis and Inorganic Chemistry Phosphorus Compounds Phosphine Ligands Phosphine Oxides and Sulfides organophosphorus compound Catalysis and Inorganic Chemistry Phosphine Ligands Phosphorus Compounds