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Atomfair Phosphorous acid, bis(2-ethylhexyl) phenyl ester C22H39O3P CAS 3164-60-1
Phosphorous acid, bis(2-ethylhexyl) phenyl ester (CAS No. 3164-60-1) is a high-purity organophosphorus compound with the molecular formula C22H39O3P. This specialty chemical, also known by its IUPAC name bis(2-ethylhexyl) phenyl phosphite , is widely utilized as a stabilizer and antioxidant in polymer formulations. The compound features a unique molecular structure combining phenyl and branched 2-ethylhexyl groups, offering exceptional thermal stability and hydrolysis resistance. Our product is manufactured under strict quality control to ensure ≥98% purity (GC), with low levels of residual solvents and heavy metals. Available in clear liquid form with typical viscosity of 20-30 cP at 25°C, it exhibits excellent…
Description
Phosphorous acid, bis(2-ethylhexyl) phenyl ester (CAS No. 3164-60-1) is a high-purity organophosphorus compound with the molecular formula C22H39O3P. This specialty chemical, also known by its IUPAC name bis(2-ethylhexyl) phenyl phosphite, is widely utilized as a stabilizer and antioxidant in polymer formulations. The compound features a unique molecular structure combining phenyl and branched 2-ethylhexyl groups, offering exceptional thermal stability and hydrolysis resistance. Our product is manufactured under strict quality control to ensure ≥98% purity (GC), with low levels of residual solvents and heavy metals. Available in clear liquid form with typical viscosity of 20-30 cP at 25°C, it exhibits excellent solubility in common organic solvents including toluene, THF, and chloroform. Each batch is accompanied by comprehensive analytical documentation including GC, NMR, and MS data for quality verification.
Properties
- CAS Number: 3164-60-1
- Complexity: 288
- IUPAC Name: bis(2-ethylhexyl) phenyl phosphite
- InChI: InChI=1S/C22H39O3P/c1-5-9-14-20(7-3)18-23-26(25-22-16-12-11-13-17-22)24-19-21(8-4)15-10-6-2/h11-13,16-17,20-21H,5-10,14-15,18-19H2,1-4H3
- InChI Key: AAQUCXJJDQZZOJ-UHFFFAOYSA-N
- Exact Mass: 382.26368210
- Molecular Formula: C22H39O3P
- Molecular Weight: 382.5
- SMILES: CCCCC(CC)COP(OCC(CC)CCCC)OC1=CC=CC=C1
- Topological: 27.7
- Monoisotopic Mass: 382.26368210
- Physical Description: Dry Powder, Liquid
- Synonyms: Bis(2-ethylhexyl) phenyl phosphite, Phosphorous acid, bis(2-ethylhexyl) phenyl ester, EINECS 221-624-1, DTXSID80863115, DTXCID70811781, 221-624-1, 3164-60-1, SCHEMBL4011150, AAQUCXJJDQZZOJ-UHFFFAOYSA-N, Di(2-ethyl hexyl)monophenyl phosphate, NS00045657
Application
This phosphite ester serves as an effective secondary antioxidant in polyolefins, PVC, and other polymers, synergizing with primary phenolic antioxidants to enhance material stability. It finds particular utility in high-temperature processing applications due to its resistance to thermal degradation. The compound also functions as a ligand in organometallic catalysis and as an intermediate in specialty chemical synthesis. Its hydrolytic stability makes it suitable for applications where moisture exposure is a concern.
Safety and Hazards
GHS Hazard Statements
- Not Classified
- Reported as not meeting GHS hazard criteria by 17 of 18 companies (only 5.6% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
Hazard Classes and Categories
- Not Classified
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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.
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