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4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene

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Formula: C39H32OP2
CAS: 161265-03-8
search Element: diphenylphosphino dimethylxanthene
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Identification

Structural Formula
4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene
CAS:
161265-03-8
EINECS:
Molecular Formula:
C39H32OP2
MDL:
MFCD00233866
SMILES:
CC1(C2=C(C(=CC=C2)P(C3=CC=CC=C3)C4=CC=CC=C4)OC5=C1C=CC=C5P(C6=CC=CC=C6)C7=CC=CC=C7)C
Synonym:
dimethylbisdiphenylphosphinoxanthene ; 5-bis(diphenylphosphino)-9h-xanthene ; 4,5-bis(diphenylphospheno)-9,9-dimethyl ; 9,9-dimethyl-4,5-bis(diphenylp ; 4,5-bis(diphenylphosphino)-9,9 ; 9-dimethyl-4 ; 4,5- two -9,9- two methyl oxygen hetero ; 98% xantphos ; xantphos 97% ; xant phos


Description

4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene is a metal chelating ligand for catalysis. 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene is also a ligand used in the synthesis of heterocycles by palladium-catalyzed C-N cross coupling of 3-bromothiophenes with 2-aminopyridines. The compound has been used in a ruthenium-catalyzed alkylation of active methylene compounds with alcohols.


Suppliers

Daming Changda Co., Ltd.
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DSL Chemicals (Shanghai) Co., Ltd.
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+
Santa Cruz Biotechnology, Inc.
238986
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Prices & Availability




Data is processed


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Properties for 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene

Molecular Weight:
578.62 g·mol−1
Melting point:
224-228 °C(lit.)
x

Hazard Statements

GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
    • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R20/22 - Harmful by inhalation and if swallowed
R37 - Irritating to respiratory system
Safety Codes:
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S37/39 - Wear suitable gloves and eye/face protection
Hazard Symbols:
Xn
Hazard symbol Xn
Storage temperature :
Room temperature.
x

Alternative Distributors of [4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Sanowart Group Co., Ltd. | Sino Rarechem Labs Co. Ltd.

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