Poly(ethylene glycol)（PEG） - UltraBio™, Ultra pure, 35000 , CAS No.25322-68-3

CAS: 25322-68-3 Cat. No.: P432425 Formule: HO(CH₂CH₂O)_nH Numéro CE: 500-038-2

GRADE & PURITY UltraBio™, Ultra pure, 35000

Synonyms

PEG

Storage

Room temperature

Vue d’ensemble

General description：
Polyethylene glycol (PEG) is a polyether compound that is used as an additive in cosmetics, pharmaceuticals, and food. It consists of repeated ethylene glycol units[-(CH2CH2O)n].

Application：
Poly(ethylene glycol) has been used:
as a component of University of Wisconsin (UW) cold preservation solutions to stabilize the cell membrane of hepatocytes during temperature changes
as a component of the supercooling solution to study supercooling preservation technique of the rat liver for transplantation and to protect against hypothermic injury
to prepare aqueous phase for the fabrication of multicellular spheroid (MCS) cultures

Specifications

Synonymes

PEG

Spécifications et pureté

UltraBio™, Ultra pure, 35000

Mécanismes biochimiques et physiologiques

Biochem/physiol Actions Polyethylene glycol (PEG) is a synthetic polymer that is used as a gold standard in bioconjugation and nanomedicine to extend blood circulation time and enhance drug efficacy. It acts as an ice-modulator by preventing ice crystalli

Conditions de stockage de stockage

Room temperature

Grade

Ultra pure, UltraBio™

Noms et identifiants

• WGK Allemagne: 1
• Reaxy-Rn: 505945
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=505945&ln=

Propriétés chimiques et physiques

• Solubilité: H2O: 50mg/mL at25°C, clear, colorless
• Indice de réfraction: 1.460
• Point d'éclair (°F): 519.8 °F
• Point d'éclair (°C): 271.00 °C
• Point d'ébullition (°C): > 200 °C
• Point de fusion (°C): 61-64℃

Foire aux questions

What does UltraBio? mean?

UltraBio? indicates that the product has been processed and tested for biological and biochemical applications. Specifications may include endotoxin limits, microbial controls, sterility, low DNase/RNase/protease activity, and verified biological activity where relevant.

What does Ultra pure mean?

Ultra pure is a defined analytical purity tier suitable for general analytical and reagent applications. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. Ultra pure is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.

How should this product be stored?

Store at room temperature.

What are the CAS number, molecular formula and molecular weight?

The CAS Number is 25322-68-3, the molecular formula is HO(CH2CH2O)nH.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.