Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 34590-94-8, Whether you call it Dipropylene Glycol Methyl Ether, Dipropylene Glycol Monomethyl Ether or PPG-2 Methyl Ether you can be assured the Dipropylene Glycol Methyl Ether products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.