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Merck
CN

47720

(Triphenylphosphoranylidene)acetaldehyde

technical, ≥95% (NT/PNMR)

Synonym(s):

(Formylmethylene)triphenylphosphorane

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About This Item

Linear Formula:
HCOCH=P(C6H5)3
CAS Number:
Molecular Weight:
304.32
EC Number:
218-375-6
UNSPSC Code:
12352114
PubChem Substance ID:
Beilstein/REAXYS Number:
523797
MDL number:
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grade

technical

assay

≥95% (NT/PNMR)

reaction suitability

reaction type: C-C Bond Formation

loss

≤2% loss on drying, 110°C

mp

184-187 °C, 185-188 °C (lit.)

SMILES string

[H]C(=O)C=P(c1ccccc1)(c2ccccc2)c3ccccc3

InChI

1S/C20H17OP/c21-16-17-22(18-10-4-1-5-11-18,19-12-6-2-7-13-19)20-14-8-3-9-15-20/h1-17H

InChI key

CQCAYWAIRTVXIY-UHFFFAOYSA-N

Other Notes

Wittig reagent for the stereoselective synthesis of Z-α,β-unsaturated aldehydes

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

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H.J. Bestmann et al.
Angewandte Chemie (International Edition in English), 91, 748-748 (1979)

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