CAS 26741-53-7: Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite

Description:Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite, with the CAS number 26741-53-7, is a chemical compound primarily used as an antioxidant and stabilizer in various polymer applications. This substance features a diphosphite structure, which contributes to its effectiveness in preventing oxidative degradation of materials, particularly in plastics and elastomers. Its molecular structure includes two bulky 2,4-di-tert-butylphenyl groups, which enhance its thermal stability and solubility in organic solvents. The presence of pentaerythritol in its structure provides additional steric hindrance, further improving its performance as a stabilizer. This compound is typically characterized by its high melting point, low volatility, and resistance to hydrolysis, making it suitable for high-temperature processing conditions. Additionally, it is recognized for its low toxicity and environmental impact, which are important considerations in the formulation of consumer products. Overall, Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite is valued in the industry for its protective qualities and versatility in enhancing the longevity of materials.

Formula:C₃₃H₅₀O₆P₂

InChI:InChI=1S/C33H50O6P2/c1-29(2,3)23-13-15-27(25(17-23)31(7,8)9)38-40-34-19-33(20-35-40)21-36-41(37-22-33)39-28-16-14-24(30(4,5)6)18-26(28)32(10,11)12/h13-18H,19-22H2,1-12H3

InChI key:InChIKey=AIBRSVLEQRWAEG-UHFFFAOYSA-N

SMILES:O(C1=CC=C(C=C1C(C)(C)C)C(C)(C)C)P2OCC3(CO2)COP(OC4=CC=C(C=C4C(C)(C)C)C(C)(C)C)OC3

Synonyms:
2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis(2,4-di-tert-butylphenoxy)-
2,4,8,10-Tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-bis[2,4-bis(1,1-dimethylethyl)phenoxy]-
3,9-Bis(2,4-Di-Tert-Butylphenoxy)-2,4,8,10-Tetraoxa-3,9-Diphosphaspiro[5.5]Undecane
3,9-Bis(2,4-bis(1,1-dimethylethyl)phenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro(5.5)undecane
3,9-Bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane
ADK Stab PEP 24
ADK Stab PEP 24G
Alkanox P 24
Antioxidant 126
Antioxidant 242
See more synonyms
Antioxidant 3026
Antioxidant 626
Antioxidant 6260
Antioxidant 627A
Antioxidant AT-626
Antioxidant TH 24
At 626
Bis(2,4-di-t-butylphenyl) pentaerythritol diphosphite
Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite
Bis(2,4-di-tert-butylphenyl)pentraerythritol diphosphite
Bis-(2,4-di-tert-butylphenyl)-pentaerythrityl diphosphite
Bruggolen H 175
Cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl phosphite)
Di(2,4-di-tert-butylphenyl)pentaerythritol diphosphite
Doverphos S 9432
H 175
Irgafos 126
Irgafos 126FF
Irgafos 626
Irganox 242
Ky 626
Magnafloc 6260
Mark PEP 24
Mark PEP 24G
Pentaerythritol bis(2,4-di-tert-butylbenzyl) diphosphite
Pentaerythritol bis(2,4-di-tert-butylphenyl phosphite)
Pentaerythritol bis(2,4-di-tert-butylphenyl) diphosphite
Pep 24
Pep 24G
Pep 24Q
Phenol, 2,4-di-tert-butyl-, dihydrogen phosphite cyclic neopentanetetrayl ester
Phos 5
Phosphorous acid, cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl) ester
Pl 34
Primanox626
Rc 626
Richfos 626
Songnox 6260
Songnox 6260FF
Songnox 6260PW
Sonox 626
Sonox 627
Thp 24
Ultranox 2879A
Ultranox 624
Ultranox 626
Ultranox 626A
Ultranox 626GE
Ultranox 627AV
Ultranox 640
Uv 242
Weston 624
Weston 626
Weston MDW 626
Yiphos 3026

Found 6 products.

Product data	Purity	Price range	Estimated delivery
3,9-Bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane REF: 3B-B5664CAS: 26741-53-7	>95.0%(GC)	44.00 €~122.00 €	Mon 07 Apr 25
Antioxidant 24 REF: 54-OR1012298CAS: 26741-53-7	98%+	32.00 €~1,166.00 €	Tue 15 Apr 25
Antioxidant 24 REF: 7W-GK6857CAS: 26741-53-7	≥ 95.0%	To inquire	Tue 15 Apr 25
3,9-Bis[2,4-bis(1,1-dimethylethyl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane REF: 04-C10651825CAS: 26741-53-7	- - -	132.00 €	Thu 17 Apr 25
Antioxidant 24 REF: TR-A697505CAS: 26741-53-7	- - -	133.00 €~513.00 €	Thu 24 Apr 25
AntiOxidant 24 REF: 3D-FA40363CAS: 26741-53-7	Min. 95%	143.00 €~1,174.00 €	Fri 25 Apr 25