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18855-52-2 - Tetraethyl (dimethylaminomethylene)diphosphonate, 97% - A14581 - Alfa Aesar

A14581 Tetraethyl (dimethylaminomethylene)diphosphonate, 97%

CAS Number
18855-52-2
Synonyms

Size Price ($) Quantity Availability
5g 40.32
25g 167.89
100g 428.80
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Tetraethyl (dimethylaminomethylene)diphosphonate, 97%

MDL
MFCD00015128
EINECS
242-627-4

Chemical Properties

Formula
C11H27NO6P2
Formula Weight
331.29
Boiling Point
138-140°/1mm
Refractive Index
1.4510
Solubility
Not miscible or difficult to mix in water.

Applications

Tetraethyl (dimethylaminomethylene)diphosphonate undergoes Horner-Wadsworth-Emmons olefination with an aldehyde gives the ?-phosphonato enamine, readily convertible to the homologous acid.

Notes

Store in cool, dry conditions in a well sealed container. Incompatible with oxidizing agents.

Literature References

Ch. Siva Kesava Raju; M.S. Subramanian.DAPPA grafted polymer: an efficient solid phase extractant for U(VI), Th(IV) and La(III) from acidic waste streams and environmental samples. Talanta. 2005, 67 (1), 81-89.

David Portet; Benoît Denizot; Elmar Rump; François Hindre; Jean-Jacques Le Jeune and Pierre Jallet. Comparative biodistribution of thin-coated iron oxide nanoparticles TCION: Effect of different bisphosphonate coatings. Drug Development Research. 2001, 54 (4), 173-181.

Horner-Wadsworth-Emmons olefination with an aldehyde gives the ɑ-phosphonato enamine, readily convertible to the homologous acid: Angew. Chem. Int. Ed., 7, 391 (1968); Synth. Commun., 12, 415 (1982):

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1914890
Harmonized Tariff Code
2931.90
TSCA
No

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