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25322-68-3 - Polyethylene glycol 4,000 - PEG 4000 - A16151 - Alfa Aesar

A16151 Polyethylene glycol 4,000

CAS-Nummer
25322-68-3
Synonyme
PEG 4000

Größe Preis ($) Menge Verfügbarkeit
250g 31,72
1000g 80,65
5000g 321,36
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Polyethylene glycol 4,000

MDL
MFCD01779612

Chemische Eigenschaften

Formel
H(OCH2CH2)nOH
Schmelzpunkt
58-62°
Löslichkeit
Soluble in water and organic solvents. Insoluble in aliphatic hydrocarbons.

Anwendungen

Polyethylene glycol is used in gene delivery of protoplast transfection and incubation. It is used in the preparation of extraction for measuring cytosolic phosphoenolpyruvate carboxykinase (PEPCK) from plant tissues. It is useful to mediate DNA transformation into protoplasts derived from rice leaf sheaths.

Bemerkungen

M.W range 3,000-3,700. Hygroscopic. Incompatible with strong oxidizing agents.

Literaturverweise

Robertson, L. M.; Wood, C. M. Measuring gill paracellular permeability with polyethylene glycol-4000 in freely swimming trout: proof of principle. J. Exp. Biol. 2014, 217 (9), 1425-1429.

Vasa, D. M.; Dalal, N.; Katz, J. M.; Roopwani, R.; Nevrekar, A.; Patel, H.; Buckner, I. S.; Wildfong, P. L. Physical characterization of drug: polymer dispersion behavior in polyethylene glycol 4000 solid dispersions using a suite of complementary analytical techniques. J. Pharm. Sci. 2014, 103 (9), 2911-2923.

Weitere Referenzen

Merck
14,7568
Harmonized Tariff Code
3907.20
TSCA
Yes
RTECS
TQ4050000

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