Diphenyl phosphite

CAS Number: 4712-55-4

Molecular Formula: C12H10O3P+

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About Diphenyl phosphite

Diphenyl phosphite (CAS 4712-55-4) is increasingly utilized as a high purity fine chemical in the United States, particularly as a vital coupling agent in the API intermediates market for the synthesis of sterically hindered peptide analogs and organophosphorus compounds, where a Pharma/API purity of 99% is mandatory t...

Synonyms

diphenyl phosphite
Diphenyl phosphite
Diphenyl phosphonate
4712-55-4
Phosphonic acid, diphenyl ester

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Diphenyl phosphite Specifications

CAS Number

4712-55-4

Molecular Formula

C12H10O3P+

Molecular Weight

234.19 g/mol

IUPAC Name

oxo(diphenoxy)phosphanium

Canonical SMILES

C1=CC=C(C=C1)O[P+](=O)OC2=CC=CC=C2

InChI Key

CDXVUROVRIFQMV-UHFFFAOYSA-N

InChI

InChI=1S/C12H10O3P/c13-16(14-11-7-3-1-4-8-11)15-12-9-5-2-6-10-12/h1-10H/q+1

EINECS Number

225-202-8

MDL Number

MFCD00044497

HSN No

2920290090

CAS Number

4712-55-4

Molecular Formula

C12H10O3P+

Molecular Weight

234.19 g/mol

IUPAC Name

oxo(diphenoxy)phosphanium

Canonical SMILES

C1=CC=C(C=C1)O[P+](=O)OC2=CC=CC=C2

InChI Key

CDXVUROVRIFQMV-UHFFFAOYSA-N

InChI

InChI=1S/C12H10O3P/c13-16(14-11-7-3-1-4-8-11)15-12-9-5-2-6-10-12/h1-10H/q+1

EINECS Number

225-202-8

MDL Number

MFCD00044497

HSN No

2920290090

Molecular Weight

234.19 g/mol

Boiling Point

218-219 °C at 26 mmHg

Density

1.223 g/mL

PSA

35.5 Å²

Average mass

234.19 g/mol

Monoisotopic mass

234.04458121 Da

Molar mass

234.19 g/mol

Vapour pressure

5 mmHg at 140 °C

Precautionary Statement Codes

P201, P202, P260, P264, P270, P273, P280, P301+P330+P331, P303+P361+P353, P304+P340+P310, P305+P351+P338+P310, P307+P311, P501

Hazard Classes and Categories

Acute Tox. 4 (100%) Skin Corr. 1C (100%)

Polymer Stabilizer and Antioxidant

A secondary antioxidant and UV stabilizer used for elastomers and polymers such as PVC, PE, PP, and ABS to inhibit thermal oxidative degradation and extend service life during processing and use

Chemical Synthesis Reagent

A versatile phosphorus nucleophile and reactant employed in one-pot three-component Kabachnik-Fields reactions, visible light mediated oxidative phosphonylations of amines, and modified asymmetric Pudovik additions

Pharmaceutical and Agrochemical Intermediate

A key building block used as a precursor in the synthesis of bioactive molecules, including N-benzylarylamide and di-Ph alpha-aminomethanephosphonate derivatives, as well as various pesticides and flame retardants

Lubricant and Coating Additive

A functional additive for lubricating oils, greases, and industrial coatings used to improve thermooxidative stability and act as a chelating agent for metal ions to prevent catalytic oxidation.