Polyethylene glycol monomethyl ether tosylate

聚乙二醇甲醚甲苯磺酸酯

Also known as: mPEG-OTs, mPEG tosylate, PEG tosylate, Methoxy PEG tosylate, Methoxypolyethylene glycol tosylate, Poly(ethylene glycol) methyl ether tosylate, Polyethylene glycol MonoMethyl ether p-toluenesulfonate, MPEG-OTs, average M.W. 2,000, MPEG-OTs, average M.W. 4,000, MPEG-OTs, average M.W. 5,000, MPEG-OTs, average M.W. 6,000, MPEG-OTs, average M.W. 10,000, MPEG-OTs, average M.W. 20,000, MPEG-OTs, average M.W. 30,000, m-PEG11-OTs

Polyethylene glycol monomethyl ether tosylate (CAS 58320-73-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H14O4S and a molecular weight of 230.28076 g/mol. It is also known as mPEG-OTs, mPEG tosylate and PEG tosylate. Key properties include a melting point of 54℃ and a flash point of >110°C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

58320-73-3

Jingsj CID

J-1435024-9

Molecular Formula

C₁₀H₁₄O₄S

Chinese Name

聚乙二醇甲醚甲苯磺酸酯

Molecular Weight

230.28076 g/mol

Category

Solvents

Last updated

8/21/2026