I. [Product Description]
4-arm-PEG-PEI (Four-arm Polyethylene Glycol-Polyethyleneimine) is an important organic intermediate. It combines the characteristics of polyethylene glycol and polyethyleneimine and has unique application values in fields such as materials science, providing a key structural basis for relevant synthetic reactions.

II. [Product Details]
【Appearance】 Depending on different molecular weights, it appears as a white/off-white solid or a viscous liquid.
【Stability】 Store under refrigeration and avoid repeated freeze-thaw cycles.
【Solvent】 Common organic solvents such as chloroform, dichloromethane, and DMSO.
【Molecular Weight】 (PEG): 2000, 3400, 5000. Other molecular weights can be customized.
【Storage Conditions】 Store in a low-temperature, sealed, and dry environment below 4°C.
▪ Note: ▶ To ensure product stability, please open the package for use only after constant-temperature drying!

III. [Application Fields]
1. Used for the preparation of functionalized nanomaterials.
2. As a raw material for the synthesis of polymeric surfactants.
3. Applied in the construction of biosensors.
4. Involved in the preparation of intelligent responsive polymers.
5. Used to modify the material surface to improve its hydrophilicity or hydrophobicity.

Remarks: The products sold by our company are only for scientific research and cannot be used for human experiments or human treatment.

Chongqing Yusi Pharmaceutical Technology Co., Ltd. operates based on an integrated business model of independent R & D-production-sales, providing professional scientific research reagents for university scientific research experiments. Compared with similar products on the market, our company's products have obvious price advantages. In addition, we also offer professional product customization services.

If you need other products, please contact us:
Contact Information:
Landline: 023-62795528
Customer Service Hotline: 19112925095 丨 QQ: 3012135199
                                           18896157519 丨 QQ: 3354316092

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