CAS Registry Number

CAS 9004-74-4 — Methoxypolyethylene epoxide, PEG average Mn 750

Methoxypolyethylene epoxide, PEG average Mn 750 is a non-ionic surfactant and polymer precursor widely used in pharmaceuticals, cosmetics, and detergents for emulsification, solubilization, and formulation stabilization. It is a polyethylene glycol derivative with a methoxy group at one end, offering excellent compatibility with both water and oils. This chemical has a CAS number of 9004-74-4 and the molecular formula CH3(OCH2CH2)nOH. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies Methoxypolyethylene epoxide, PEG average Mn 750 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Methoxy polyethylene glycol (average Mn 350) · Methoxy polyethylene glycol (average Mn 550) · Methoxy polyethylene glycol (average Mn 7,500) · Polyethylene glycol monomethyl ether (average Mn ~2,000) · Methoxy polyethylene glycol (average Mn 500)