Poly(ethylene glycol)-block-poly(propylene glycol) -block-poly(ethylene glycol)
Purified, nonionic
science Other reagents with same CAS 9003-11-6
blur_circular Chemical Specifications
description Product Description
Widely used in pharmaceuticals and biotechnology as a non-ionic surfactant and solubilizing agent. Enhances drug delivery by improving the solubility and stability of poorly water-soluble drugs. Commonly employed in controlled-release formulations due to its ability to form gels at body temperature. Used in tissue engineering and cell culture applications because of its biocompatibility and low toxicity. Also serves as a key component in topical and injectable formulations, helping to prolong drug circulation time and reduce immune recognition. Frequently applied in the synthesis of nanoparticles and micelles for targeted therapy.
In cosmetics and personal care products, such as creams, lotions, and gels, it acts as a surfactant to provide moisturizing effects, reduce irritation, and adjust viscosity.
In biological laboratories, it is utilized for selective protein precipitation and cell fusion techniques.
In the cleaning industry, it functions as a surfactant in hand washes, surface cleaners, and medical equipment sterilization systems.
Additionally, it is applied in controlled-release chemical systems, including agriculture for slow and efficient release of fertilizers or pesticides.
In industrial settings, it serves as a demulsifier, lubricant additive, and foam stabilizer.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Appearance | White Powder or Crystals or Granules or Chunks |
| Water by Karl Fischer | 0-1% |
| Aluminium(AI) | 0-5ppm |
| Barium(Ba) | 0-5ppm |
| Bismuth(Bi) | 0-5ppm |
| Calcium(Ca) | 0-50ppm |
| Cadmium(Cd) | 0-5ppm |
| Cobalt (Co) | 0-5ppm |
| Chromium(Cr) | 0-5ppm |
| Copper(Cu) | 0-5ppm |
| Iron(Fe) | 0-5ppm |
| Potassium(K) | 0-1000ppm |
| Lithium(Li) | 0-5ppm |
| Magnesium (Mg) | 0-5ppm |
| Manganese(Mn) | 0-5ppm |
| Molybdenum(Mo) | 0-5ppm |
| Sodium(Na) | 0-50ppm |
| Nickel(Ni) | 0-5ppm |
| Lead(Pb) | 0-5ppm |
| Strontium(Sr) | 0-5ppm |
| Zinc(Zn) | 0-5ppm |
| ARSENIC TRACES (MHS-AAS) | 0-0.05ppm |
| Solubility(3g in 30mL H2O) | Clear colorless Liquid, pass |
| PH(3g in 30mL H2O) | 5.0-7.5 |
| RESIDUE (FILTER TEST) | no residue |
| Infrared Spectrum | Conforms to Structure |
| UV-ABS. AT 260 nm(3g in 30mL H2O) | ≤0.3 |
| UV-ABS. AT 280 nm(3g in 30mL H2O) | ≤0.2 |
| Oxyethylene | 71.5-74.9% |
| Molecular weight | Conform |
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