| Category | Small-molecule Methoxy Linear PEG (mPEG) |
| Molecular Formula | C9H20O5 |
| Molecular Weight | 208.25 |
| Appearance | Colorless Liquid |
| Shipping | Room temperature in continental US; may vary elsewhere. |
| Storage | Pure form, -20°C, 3 years; 4°C, 2 years; In solvent, -80°C, 6 months; -20°C, 1 month |
mPEG4-alcohol
CAS No.: 23783-42-8
Cat No.: BPG-1757
Purity: >98%
HNMR
GC
4.5 
Tetraethyleneglycol Monomethyl Ether (CAS# 23783-42-8) is also a monofunctional PEG that can be used in polymer science.
Structure of 23783-42-8
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- Specification
- QC Data
| Synonyms | 2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethanol; 2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethanol |
| IUPACName | 2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethanol |
| CanonicalSMILES | COCCOCCOCCOCCO |
| InChI | InChI=1S/C9H20O5/c1-11-4-5-13-8-9-14-7-6-12-3-2-10/h10H,2-9H2,1H3 |
| InChIKey | ZNYRFEPBTVGZDN-UHFFFAOYSA-N |
| BoilingPoint | 285.4 °C at 760 mmHg |
| MeltingPoint | -39 °C |
| FlashPoint | 161 °C c.c. |
| Purity | >98% |
| Density | 1.045 g/cm<sup>3</sup> |
| Solubility | Solubility in water: miscible |
| ExactMass | 208.13107373 |
| VaporPressure | Pa at 20 °C |
| LogP | -0.6 |
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