D210803

Diphenyl phosphite

• Synonym(s): Diphenoxyphosphine oxide, Diphenyl phosphonate, NSC 43786
• Linear Formula: (C₆H₅O)₂P(O)H
• CAS Number: 4712-55-4
• Molecular Weight: 234.19
• Beilstein: 2051909
• EC Number: 225-202-8
• MDL number: MFCD00044497
• UNSPSC Code: 12352100
• PubChem Substance ID: 24893627
• NACRES: NA.22

Properties

• vapor density: 8.1 (vs air)
• Quality Level: 100
• vapor pressure: 5 mmHg ( 140 °C)
• form: liquid
• impurities: ≤15% phenol
• refractive index: n20/D 1.558 (lit.)
• bp: 218-219 °C/26 mmHg (lit.)
• mp: 12 °C (lit.)
• density: 1.223 g/mL at 25 °C (lit.)
• SMILES string: O=[PH](Oc1ccccc1)Oc2ccccc2
• InChI: 1S/C12H11O3P/c13-16(14-11-7-3-1-4-8-11)15-12-9-5-2-6-10-12/h1-10,16H
• InChI key: OGBPILLJZSJJRC-UHFFFAOYSA-N

Description

Application

Reactant involved in:

• Synthesis of N-benzylarylamide and di-Ph α-aminomethanephosphonate derivatives used as additives for thermooxidative stability of ester-based oils
• One-pot three-component Kabachnik-Fields reactions
• Visible light mediated oxidative phosphonylations of amines
• Modified asymmetric Pudovik addition with haloketones
• Tandem decarboxylation-coupling with natural alpha-amino acids

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H302,H315,H318,H335
• Precautionary Statements: P261 - P264 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): 348.8 °F - closed cup
• Flash Point(C): 176 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves