450596

Poly(ethylene glycol) bis(2-ethylhexanoate)

average M_n ~650

• Synonym(s): PEG bis(2-ethylhexanoate)
• Linear Formula: CH₃(CH₂)₃CH(C₂H₅)CO(OCH₂CH₂)_nO₂CCH(C₂H₅)(CH₂)₃CH₃
• CAS Number: 9004-93-7
• MDL number: MFCD00241430
• UNSPSC Code: 12162002
• PubChem Substance ID: 24868255
• NACRES: NA.23

Properties

• mol wt: average M_n ~650
• refractive index: n20/D 1.453 (lit.)
• viscosity: 50 cP(25 °C)(lit.)
• mp: −48 °C (lit.)
• solubility: H₂O: insoluble; hexane, toluene, ethanol, and acetone: soluble
• density: 1.02 g/mL at 25 °C (lit.)
• SMILES string: OCCO.CCCCC(CC)C(O)=O
• InChI: 1S/C18H34O4/c1-5-9-11-15(7-3)17(19)21-13-14-22-18(20)16(8-4)12-10-6-2/h15-16H,5-14H2,1-4H3
• InChI key: XCQFTFZCTGZCNP-UHFFFAOYSA-N

Description

General description

Poly(ethylene glycol) bis(2-ethylhexanoate) (PEG-EH) is an ethylene acrylic elastomer that can be used as a low volatile plasticizer.

Application

PEG-EH can form a blend with polyvinylidene fluoride (PVDF) which can be used in the preparation of electrolytes for lithium batteries. It is also used as an additive for the development of ionization methods for mass spectroscopy.

Features and Benefits

Low volatility and good heat resistance. Compatible with a variety of polymers including polyesters and polyamides.

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves