What is PEG used for in pharmaceutical products?

PEG is used as an excipient in many pharmaceutical products in oral, topical, and parenteral dosage forms.

How is PEG being explored in the field of nerve and spinal cord injury?

Researchers are studying the possibility of using PEG to fuse axons in peripheral nerve and spinal cord injury.

How can PEG be used in the treatment of periodontitis?

PEG hydrogels can be used to encapsulate stem cells that promote healing in the gums. The gel with encapsulated stem cells is injected into the site of disease to create the microenvironment required for the stem cells to function.

What is the role of PEGylation in gene therapy?

PEGylation of adenoviruses for gene therapy can help prevent adverse reactions due to pre-existing adenovirus immunity.

What role does PEG play in mass spectrometry experiments?

PEG is commonly used as an internal calibration compound in mass spectrometry experiments, providing a characteristic fragmentation pattern for accurate tuning.

How is PEG used in the creation of hybridomas?

PEG is used to fuse B-cells and myelomas to create hybridomas, which are used for antibody production."

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Poly(ethylene glycol)

Name: Poly(ethylene glycol)
SKU: DGS25322683
Rating: 5 (1 reviews)

Catalog	DGS25322683
CAS	25322-68-3
Structure
Description	PEG 400 (polyethylene glycol 400) is a low-molecular-weight grade of polyethylene glycol. It is a clear, colorless, viscous liquid. Due in part to its low toxicity, PEG 400 is widely used in a variety of pharmaceutical formulations.
Synonyms	PEG
Molecular Weight	7000-9000
Molecular Formula	H(OCH2CH2)nOH
Boiling Point	>250 °C
Melting Point	61-64 °C
Flash Point	171ºC
Purity	99%
Density	1.125
Solubility	Soluble in water (50 mg/mL at 25 °C), clear, colorless
Appearance	Solid
Storage	2-8 °C
EC Number	500-038-2
MDL Number	MFCD00081839
pH	5.5-7.0 (50 mg/mL in H₂O, 25 °C)
Stability	Stable. Incompatible with strong oxidizing agents.
Storage Conditions	2-8ºC

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