A5417712
Methoxypolyethylene glycol , Average molecular weight 350 , 9004-74-4
Synonym(s):
Methoxy poly(ethylene glycol);Methoxypolyethylene glycol;mPEG;Poly(ethylene glycol) methyl ether;Polyethylene glycol monomethyl ether
CAS NO.：9004-74-4
Empirical Formula: C5H12O3
Molecular Weight: 120.147
MDL number: MFCD00084416
EINECS: 618-394-3
| Pack Size | Price | Stock | Quantity |
| 25g | RMB30.40 | In Stock |
|
| 100G | RMB74.40 | In Stock |
|
| 500G | RMB183.20 | In Stock |
|
| 1KG | RMB367.20 | In Stock |
|
| 2.5kg | RMB732.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 60-64 °C |
| Boiling point: | >200°C/760mmHg |
| Density | 1.094 g/mL at 25 °C |
| vapor density | >1 (vs air) |
| vapor pressure | 0.05 mm Hg ( 20 °C) |
| refractive index | n |
| Flash point: | 268 °C |
| storage temp. | -20°C |
| solubility | H2O: 50 mg/mL at 25 °C, clear, colorless |
| form | semisolid |
| color | White to pale yellow |
| Specific Gravity | 1.094 |
| PH | 5.5-7.0 (25℃, 50mg/mL in H2O) |
| Water Solubility | Slightly miscible with water. |
| λmax | λ: 260 nm Amax: 0.06 λ: 280 nm Amax: 0.03 |
| Stability: | Stable. Incompatible with strong oxidizing agents, strong acids, strong bases. |
| InChIKey | XNWFRZJHXBZDAG-UHFFFAOYSA-N |
| LogP | -0.800 (est) |
| EPA Substance Registry System | Poly(oxy-1,2-ethanediyl), .alpha.-methyl-.omega.-hydroxy- (9004-74-4) |
Description and Uses
m-PEG36-alcohol is a PEG linker containing a hydroxyl group. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The hydrophilic PEG spacer increases solubility in aqueous media.
Methoxypolyethylene Glycol of with an average molecular mass of 350. Methoxypolyethylene Glycol (MPEG) is used in various applications such as micelles for drug delivery as well as in modifications of therapeutic proteins to improve their pharmacokinetics.
Safety
| Symbol(GHS) |   GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H372-H302-H319-H336-H335 |
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313P-P260-P264-P270-P314-P501-P264-P270-P301+P312-P330-P501-P261-P271-P304+P340-P312-P403+P233-P405-P501 |
| Safety Statements | 24/25-22 |
| WGK Germany | 3 |
| RTECS | PE8271000 |
| F | 3 |
| TSCA | Yes |
| HS Code | 29091990 |
