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Polymer Additives, Initiators & Plasticizers

Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%

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Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99% (CAS 162881-26-7) supplier Zemixal. Request a quote with price, lead time and documents.

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Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99% chemical structure
CAS number162881-26-7
FormulaC26H27O3P
Molar mass418.5 g/mol
Physical formPowder
HS code29221990
Purity99%
InChIKeyGUCYFKSBFREPBC-UHFFFAOYSA-N
IUPAC name[phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone

About Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%

Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99% sits in our polymer Additives, Initiators & Plasticizers section and ships worldwide from stock or short lead time. Identity at a glance (99%): CAS 162881-26-7, formula C26H27O3P and molar mass 418.5 g/mol. It is described as white to off-white to yellow to green powder or crystalline powder or chunks.

Typical applications

  • Polymerisation initiation
  • Plasticising & modification
  • Plastics compounding
  • UV-curing photoinitiation

Safe handling

Reported physical data: melting point 130-134 °C. It carries the GHS signal word Warning (H317 and H413), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 5 g, 25 g, 100 g and 1 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Polymerisation initiation
  • Plasticising & modification
  • Plastics compounding
  • UV-curing photoinitiation

Applications

Polymers, Plastics and Rubber

Specifications and identifiers

Specifications of Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%
Product namePhenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%
Catalogue numberZX-018168
CAS number162881-26-7
IUPAC name[phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone
Molecular formulaC26H27O3P
Molar mass418.5 g/mol
Exact mass418.1698
Purity / assay99%
Physical formPowder
AppearanceWhite to off-white to yellow to green powder or crystalline powder or chunks
Melting point130-134 °C
XLogP36
H-bond donors / acceptors0 / 3
Topological polar surface area51.2 Ų
HS code29221990
InChIKeyGUCYFKSBFREPBC-UHFFFAOYSA-N
SMILESCC1=CC(=C(C(=C1)C)C(=O)P(=O)(C2=CC=CC=C2)C(=O)C3=C(C=C(C=C3C)C)C)C
PubChem CID164512
SynonymsBAPOs, Bisacylphosphine oxides, Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, Phosphine oxide, phenylbis(2,4,6-trimethylbenzoyl)-, Bis-trimethylbenzoyl phenylphosphine oxide, bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide, phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide, (Phenylphosphoryl)bis[(2,4,6-trimethylphenyl)methanone], Methanone, 1,1'-(phenylphosphinylidene)bis(1-(2,4,6-trimethylphenyl)-, Methanone, 1,1'-(phenylphosphinylidene)bis[1-(2,4,6-trimethylphenyl)-, (phenylphosphoryl)bis(mesitylmethanone), bis(2,4,6-trimethylbenzoyl)-phenyl phosphine oxide

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H317May cause an allergic skin reaction
  • H413May cause long lasting harmful effects to aquatic life

Precautionary statements P261, P272, P273, P280, P302 + P352, P321, P333 + P317, P362 + P364, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%
5 gQuoted on request
25 gQuoted on request
100 gQuoted on request
1 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%

Which CAS number identifies Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%?
Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99% is registered under CAS 162881-26-7. You may also see it listed as BAPOs, Bisacylphosphine oxides, Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide. Our catalogue number for this item is ZX-018168.
What are the formula and molar mass of Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%?
For Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%, its formula is C26H27O3P and its molar mass is 418.5 g/mol. The systematic (IUPAC) name is [phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone. InChIKey GUCYFKSBFREPBC-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%?
This listing is 99% purity. Standard packs are 5 g, 25 g, 100 g, 1 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99%?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99% to my country?
Yes. Because Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide, 99% is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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