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Merck

D210803

Diphenyl phosphite

Synonym(s):

Diphenoxyphosphine oxide, Diphenyl phosphonate, NSC 43786

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About This Item

Linear Formula:
(C6H5O)2P(O)H
CAS Number:
4712-55-4
Molecular Weight:
234.19
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24893627
EC Number:
225-202-8
Beilstein/REAXYS Number:
2051909
MDL number:
MFCD00044497
Form:
liquid

Key Documents

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InChI key

OGBPILLJZSJJRC-UHFFFAOYSA-N

InChI

1S/C12H11O3P/c13-16(14-11-7-3-1-4-8-11)15-12-9-5-2-6-10-12/h1-10,16H

SMILES string

O=[PH](Oc1ccccc1)Oc2ccccc2

vapor density

8.1 (vs air)

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.)

Quality Level

100

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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

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

348.8 °F - closed cup

flash_point_c

176 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
0000222768
0000222768
MKCK5938
SHBF0729V
35396MMV

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The aim of this work was to evaluate the impact of the thiophene-derived aminophosphonates 1-6 on seedling emergence and growth of monocotyledonous oat (Avena sativa) and dicotyledonous radish (Raphanus sativus L.), and phytotoxicity against three persistent and resistant weeds (Galinsoga
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