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Tris(4-methoxyphenyl)phosphine

Tris(4-methoxyphenyl)phosphine Structure
Tris(4-methoxyphenyl)phosphine structure
CAS No.
855-38-9
Chemical Name:
Tris(4-methoxyphenyl)phosphine
Synonyms
tris(4-Methoxyphenyl)phosphane;TRIS(P-METHOXYPHENYL)PHOSPHINE;Trianisylphosphine;TRIS(P-METHOXYP;Tris(4-methoxyphenyL;Tri-p-anisylphosphine;LABOTEST-BB LTBB005439;TRIS(P-ANISYL)PHOSPHINE;Tri(p-methoxyphenyl)phosphine;TRI(4-METHOXYPHENYL)PHOSPHINE
CBNumber:
CB8228460
Molecular Formula:
C21H21O3P
Molecular Weight:
352.36
MDL Number:
MFCD00014896
MOL File:
855-38-9.mol
MSDS File:
SDS
Last updated:2026-05-28 03:13:49
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Tris(4-methoxyphenyl)phosphine Properties

Melting point 131-134 °C (lit.)
Boiling point 457.8±40.0 °C(Predicted)
Density 1.1352 (estimate)
storage temp. Inert atmosphere,Room Temperature
form Crystalline Powder
color White to pale yellow
Water Solubility Insoluble in water.
Sensitive Air Sensitive
BRN 2815911
InChI InChI=1S/C21H21O3P/c1-22-16-4-10-19(11-5-16)25(20-12-6-17(23-2)7-13-20)21-14-8-18(24-3)9-15-21/h4-15H,1-3H3
InChIKey UYUUAUOYLFIRJG-UHFFFAOYSA-N
SMILES P(C1=CC=C(OC)C=C1)(C1=CC=C(OC)C=C1)C1=CC=C(OC)C=C1
CAS DataBase Reference 855-38-9(CAS DataBase Reference)
FDA UNII PF5BT47LZ8
EPA Substance Registry System Phosphine, tris(4-methoxyphenyl)- (855-38-9)
UNSPSC Code 12352112
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-37/39-24/25
WGK Germany  3
TSCA  TSCA listed
HS Code  29319090
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704
0
2 0

Tris(4-methoxyphenyl)phosphine price More Price(80)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 395102 Tris(4-methoxyphenyl)phosphine 95% 855-38-9 1g $68.7 2026-04-30 Buy
Sigma-Aldrich 395102 Tris(4-methoxyphenyl)phosphine 95% 855-38-9 5g $180 2026-04-30 Buy
TCI Chemical T0861 Tris(4-methoxyphenyl)phosphine >97.0%(T) 855-38-9 5g $60 2026-04-30 Buy
TCI Chemical T0861 Tris(4-methoxyphenyl)phosphine >97.0%(T) 855-38-9 25g $180 2026-04-30 Buy
Strem Chemicals 15-8000 Tris(p-methoxyphenyl)phosphine, 98% 98% 855-38-9 1g $46 2026-04-30 Buy
Product number Packaging Price Buy
395102 1g $68.7 Buy
395102 5g $180 Buy
T0861 5g $60 Buy
T0861 25g $180 Buy
15-8000 1g $46 Buy

Tris(4-methoxyphenyl)phosphine Chemical Properties, Uses, Production

Chemical Properties

White to pale yellow crystalline powder

Uses

suzuki reaction

Uses

Tris(4-methoxyphenyl)phosphine is a useful intermediate employed in organic synthesis and in other chemical processes.

Application

Tris(4-methoxyphenyl)phosphine is used as a ligand in organometallic chemistry and homogeneous catalysis.
This compound is suitable for the following reaction types: Buchwald-Hartwig Cross Coupling Reaction, Heck Reaction, Hiyama Coupling, Negishi Coupling, Sonogashira Coupling, Stille Coupling, Suzuki-Miyaura Coupling, and Cross Couplings.

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
reagent type: ligand
reaction type: Cross Couplings

Synthesis

To a solution of tertiary phosphine oxides 2 (0.4mmol) in CH2Cl2 (2mL) was added oxalyl chloride (0.4mmol) dropwise at room temperature under an argon atmosphere. After 30 minutes, HEH (1mmol) was added to the mixture in one portion, and TEA (3mmol) was added. The mixture was stirred for another 2h at 40°C and then diluted with H2O (10mL). The resulting mixture was extracted with CH2Cl2 repeatedly. The extracts were dried (anhydrous Na2SO4) and evaporated. The crude product was purified by column chromatography on silica gel using ethyl acetate/petroleum ether to afford the pure product Tris(4-methoxyphenyl)phosphine.

References

[1] Synthesis, 2011, # 24, p. 4091 - 4098
[2] Tetrahedron Letters, 2015, vol. 56, # 7, p. 918 - 920
[3] Chinese Chemical Letters, 2014, vol. 25, # 1, p. 176 - 178
[4] ChemCatChem, 2017, vol. 9, # 24, p. 4460 - 4464
[5] Angewandte Chemie - International Edition, 2017, vol. 56, # 50, p. 15989 - 15992

Tris(4-methoxyphenyl)phosphine Preparation Products And Raw materials

Raw materials

Phosphine oxide, tris(4-methoxyphenyl)-

Preparation Products

Tris(4-methoxyphenyl)phosphine Suppliers

Global Suppliers ( 260)
Supplier Tel Email Country ProdList Advantage
BeiJing Greenchem Technology Co.,Ltd. 131-21959385 18804271668 chemrocking@bjgreenchem.com China 272 58
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
Beijing Donghualituo Techonlogy Development Co.,Ltd. 010-88425576 sales@dhltchem.com China 793 59
INTATRADE GmbH +49 3493/605464 sales@intatrade.de Germany 3563 66
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
ShangHai DEMO Chemical Co.,Ltd 400-021-7337 2355568890 sales@demochem.com China 2569 57
Beijing HwrkChemical Technology Co., Ltd 89508211 18501085097 sales.bj@hwrkchemical.com China 9407 55
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Supplier Advantage
BeiJing Greenchem Technology Co.,Ltd. 58
J & K SCIENTIFIC LTD. 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 62
Beijing Donghualituo Techonlogy Development Co.,Ltd. 59
INTATRADE GmbH 66
Alfa Aesar 84
TCI (Shanghai) Development Co., Ltd. 81
ShangHai DEMO Chemical Co.,Ltd 57
Beijing HwrkChemical Technology Co., Ltd 55
Energy Chemical 61

View Latest Price from Tris(4-methoxyphenyl)phosphine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Tris(4-Methoxyphenyl)phosphine pictures 2026-09-17 Tris(4-Methoxyphenyl)phosphine
855-38-9
 500G 98%min 30kg/month WUHAN FORTUNA CHEMICAL CO., LTD
Tris(p-Methoxyphenyl)phosphine pictures 2026-08-07 Tris(p-Methoxyphenyl)phosphine
855-38-9
 $1.00 1KG 99% 20 tons Shaanxi Dideu Medichem Co. Ltd
Tris(4-methoxyphenyl)phosphine pictures 2026-06-30 Tris(4-methoxyphenyl)phosphine
855-38-9
 1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd

Tris(4-methoxyphenyl)phosphine Spectrum

TRIS(4-METHOXYPHENYL)PHOSPHINE(855-38-9)MSTRIS(4-METHOXYPHENYL)PHOSPHINE(855-38-9)1HNMRTRIS(4-METHOXYPHENYL)PHOSPHINE(855-38-9)13CNMRTRIS(4-METHOXYPHENYL)PHOSPHINE(855-38-9)31PNMRTRIS(4-METHOXYPHENYL)PHOSPHINE(855-38-9)IR1TRIS(4-METHOXYPHENYL)PHOSPHINE(855-38-9)IR2TRIS(4-METHOXYPHENYL)PHOSPHINE(855-38-9)Raman

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Phosphine, tris(p-methoxyphenyl)- Phosphorus tri-(p-methoxyphenyl) Tri(p-methoxyphenyl)phosphine Tri-p-anisylphosphine TRIS(P-ANISYL)PHOSPHINE TRIS(4-METHOXYPHENYL)PHOSPHINE TRI(4-METHOXYPHENYL)PHOSPHINE LABOTEST-BB LTBB005439 (2S)-1-[4-[4-[bis(2-chloroethyl)amino]phenyl]-1-oxobutyl]-2-pyrrolidinecarboxylic acid Tris(4-methoxyphenyl)phosphine,95% Tris(2-methoxyphenyl)-phosphine / Tris(4-methoxyphenyl)-phosphine Tris(p-methoxyphenyl)phosphine,98% TRIS(4-METHOXYPHENYL)PHOSPHINE (TPAP) Phosphine,tris(4-METHOXYBENZYL)- Phosphine,tris(4-Methoxyphenyl)- Tris(4-Methoxyphenyl)phosphine 95% Tris(4-methoxyphenyl)phosphine,97+% Tris(p-methoxyphenyl)phosphine 95% Tris(4-methoxyphenyl)phosphine, 95%, for synthesis Tris(4-methoxyphenyl)phosphine > High purity CAS 855-38-9 TRIS(4-METHOXYPHENYL)PHOSPHINE in stock Trianisylphosphine TRIS(P-METHOXYPHENYL)PHOSPHINE Tris(4-methoxyphenyL tris(4-Methoxyphenyl)phosphane TRIS(P-METHOXYP 855-38-9 855-36-9 4731-65-3 pCH3OC6H43P C21H21O3P Phosphorus Compounds Catalysis and Inorganic Chemistry Phosphine Ligands Achiral Phosphine Aryl Phosphine organophosphine ligand Ligand Phosphine Ligands Synthetic Organic Chemistry Basic Phosphine LigandsCatalysis and Inorganic Chemistry Catalysis and Inorganic Chemistry Cross-Coupling Phosphine Ligands Phosphorus Compounds