Description

2,4,8,10-Tetraoxa-3,9-diphosphaspiro(5.5)undecane, 3,9-bis(2,4-bis(1-methyl-1-phenylethyl)phenoxy)- (CAS: 154862-43-8) is a high-purity organophosphorus compound with the molecular formula C₅₃H₅₈O₆P₂. This spirocyclic compound features a unique structural framework, incorporating two phosphorus centers within a tetraoxa-diphosphaspiro[5.5]undecane core, each functionalized with bulky, sterically hindered phenoxy substituents. The presence of multiple 1-methyl-1-phenylethyl groups enhances its stability and influences its reactivity, making it a valuable intermediate in advanced organic synthesis and materials science. Ideal for researchers exploring novel ligands, catalysts, or flame retardants, this compound is supplied with comprehensive analytical data (including ¹H NMR, ¹³C NMR, and HPLC) to ensure quality and reproducibility. Store under inert conditions at recommended temperatures to maintain integrity.

Properties

• CAS Number: 154862-43-8
• Complexity: 1240
• IUPAC Name: 3,9-bis[2,4-bis(1-methyl-1-phenyl-ethyl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
• InChI: InChI=1S/C53H58O6P2/c1-49(2,39-21-13-9-14-22-39)43-29-31-47(45(33-43)51(5,6)41-25-17-11-18-26-41)58-60-54-35-53(36-55-60)37-56-61(57-38-53)59-48-32-30-44(50(3,4)40-23-15-10-16-24-40)34-46(48)52(7,8)42-27-19-12-20-28-42/h9-34H,35-38H2,1-8H3
• InChI Key: WBWXVCMXGYSMQA-UHFFFAOYSA-N
• Exact Mass: 852.37086356
• Molecular Formula: C53H58O6P2
• Molecular Weight: 853.0
• SMILES: CC(C)(C1=CC=CC=C1)C2=CC(=C(C=C2)OP3OCC4(CO3)COP(OC4)OC5=C(C=C(C=C5)C(C)(C)C6=CC=CC=C6)C(C)(C)C7=CC=CC=C7)C(C)(C)C8=CC=CC=C8
• Topological: 55.4
• Monoisotopic Mass: 852.37086356
• Physical Description: Dry Powder, Pellets or Large Crystals; Liquid; Dry Powder
• Synonyms: 2,4,8,10-Tetraoxa-3,9-diphosphaspiro(5.5)undecane, 3,9-bis(2,4-bis(1-methyl-1-phenylethyl)phenoxy)-, 2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis[2,4-bis(1-methyl-1-phenylethyl)phenoxy]-, 2,4,8,10-Tetraoxa-3,9-diphosphaspiro5.5undecane, 3,9-bis2,4-bis(1-methyl-1-phenylethyl)phenoxy-, 629-199-8, 154862-43-8, 3,9-Bis(2,4-dicumylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane, Bis(2,4-dicumylphenoxy)pentaerythritol diphosphite, Bis(2,4-dicumylphenoxy) pentaerythritol diphosphite, 3,9-bis[2,4-bis(2-phenylpropan-2-yl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane, 9Z2X0TBW3A, 3,9-Bis(2,4-bis(2-phenylpropan-2-yl)phenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane, bis(2,4-dicumylphenyl)pentaerythritol diphosphite, 3,9-BIS(2,4-DICUMYLPHENOXY)-2,4,8,10-TETRAOXA-3,9-DIPHOSPHASPIRO(5.5)UNDECANE, S-9228, MFCD00274221, ANTIOXIDANT 852, UNII-9Z2X0TBW3A, DOVERPHOS 9228, EC 421-920-2, SCHEMBL233632, SCHEMBL233633, DTXSID0047119, MSK158440, 3,9-Bis(2,4-dicumylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5], AKOS015896889, PD117902, 1ST158440, NS00007966, 3,9-Bis(2,4-dicumylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5,5]undecane, 3,9-Bis(2,4-bis(1-methyl-1-phenylethyl)phenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro(5.5)undecane

Application

This compound is primarily utilized as a specialized ligand or additive in coordination chemistry and polymer science. Its sterically hindered structure makes it suitable for stabilizing transition metal complexes in catalytic applications. Researchers also investigate its potential as a flame retardant due to its phosphorus-rich framework. Additionally, it may serve as a building block for advanced materials with tailored thermal or mechanical properties.

Safety and Hazards

GHS Hazard Statements

• H413: May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P273, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (55.1%)
• Eye Irrit. 2 (55.1%)
• STOT SE 3 (55.1%)
• Aquatic Chronic 4 (44.9%)

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