Triethylene glycol monomethyl ether

Catalog	DGS112356
CAS	112-35-6
Structure
Description	Polyethylene glycol (PEG) compounds contain a polyether unit, commonly expressed as R1-(O-CH2-CH2)n-O-R2. They are generally biocompatible, non-toxic and stable in both organic and aqueous solutions, and so are extensively used in biological applications, as well as nanotechnology and materials research. Proteins with PEG chain modifications and compounds encapsulated in PEG liposomes exhibit a longer half-life in vivo than their non-PEGylated counterparts, a phenomenon known as PEG shielding. Functionalised PEG lipids and phospholipids can be used for protein-PEG conjugation.
Synonyms	Methyltriglycol
IUPAC Name	2-[2-(2-methoxyethoxy)ethoxy]ethanol
Molecular Weight	164.20
Molecular Formula	C7H16O4
Canonical SMILES	COCCOCCOCCO
InChI	InChI=1S/C7H16O4/c1-9-4-5-11-7-6-10-3-2-8/h8H,2-7H2,1H3
InChI Key	JLGLQAWTXXGVEM-UHFFFAOYSA-N
Boiling Point	122 °C at 10 mmHg (lit.)
Melting Point	-45°C (lit.)
Flash Point	118ºC
Purity	purum, ≥97.0% (GC)
Density	1.026 g/mL at 25 °C (lit.)
Solubility	6.09 M;In water, miscible;Soluble in water;Solubility in heptane = 1.5 wt%, completely soluble in acetone, benzene, ethyl ether, methanol, and carbon tetrachloride at 25 °C.;Solubility in water: miscible
Appearance	Liquid
Application	Activated PEG derivatives can be used to modify peptides, proteins, or in other bioconjugation applications. PEGylated materials have found broad use in drug delivery systems, virology, and immunology, as the incorporation of PEG improves pharmacological properties such as increased water solubility, enhanced resistance to degradation (protein hydrolysis), increased circulation half-life, and reduced antigenicity. In addition to PEGylation, activated PEG derivatives can also be used to form networks for tissue engineering or drug delivery applications, depending on the architecture and reactivity.
Complexity	67.5
EC Number	203-962-1
Exact Mass	164.10485899
Formal Charge	0
Heavy Atom Count	11
Hydrogen Bond Acceptor Count	4
Hydrogen Bond Donor Count	1
Isomeric SMILES	COCCOCCOCCO
MDL Number	MFCD00002875
Monoisotopic Mass	164.10485899
pH	5-7 (H₂O, 20 °C)
pKa	14.36±0.10 (Predicted)
Rotatable Bond Count	8
Topological Polar Surface Area	47.9 Ų