Poly(ethylene glycol) methyl ether
ALDRICH/202495 - average Mn 750
Synonym: Polyethylene glycol; Methoxy poly(ethylene glycol); Polyethylene glycol monomethyl ether; mPEG
CAS Number: 9004-74-4
MDL Number: MFCD00084416
Linear Formula: CH3(OCH2CH2)nOH
Product Type: Chemical
| Ω-end | hydroxyl |
| α-end | methoxy |
| density | 1.094 g/mL at 25 °C |
| form | paste |
| solid | |
| InChI | 1S/C3H8O2/c1-5-3-2-4/h4H, |
| InChI key | XNWFRZJHXBZDAG-UHFFFAOYSA |
| mol wt | average Mn 750 |
| Quality Level | 200  |
| refractive index | n |
| transition temp | Tm 30 °C |
| vapor density | >1 (vs air) |
| vapor pressure | 0.05 mmHg ( 20 °C) |
| viscosity | 10.5 cSt(210 °F)(lit.) |
| Application: | Poly(ethylene glycol) methyl ether can be used: • As a chain transfer agent to synthesize amphiphilic block copolymers by metal-free ring-opening oligomerization. • As a precursor to prepare retinoic acid-polyethylene glycol nanoassembly as an efficient drug delivery system. • To prepare diblock copolymer with polylactic acid, which can be applied in the field of tissue engineering and drug delivery. |
| Packaging: | 250, 500 g in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | 359.6 °F - closed cup |
| Flash Point(C) | 182 °C - closed cup |
| Density | 1.094 g/mL at 25 °C |
| Refractive Index | n |
| UNSPSC | 12162002 |