3,6,9-Trioxaundecanedioic acid

3,6,9-三噁十一烷二酸

Also known as: 2,2'-[Oxybis(2,1-ethanediyloxy)]diacetic acid, 2,2'-[Oxybis(ethane-2,1-diyloxy)]diacetic acid, 2,2'-[oxybis(2,1-ethanediyloxy)]bisacetic acid, 2-[2-[2-(carboxymethoxy)ethoxy]ethoxy]acetic acid, Acetic acid, 2,2'-[oxybis(2,1-ethanediyloxy)]bis-, CH2COOH-PEG3-CH2COOH, HOOCCH2O-PEG2-CH2COOH, O,O'-OXYDIETHYLENE-DIGLYCOLIC ACID, TUDS, trioxaundecanedoic acid, Tetraglycolic acid, Bis-PEG3-acetic acid, 3,6,9-Trioxaundecane-1,11-dioic acid

3,6,9-Trioxaundecanedioic acid (CAS 13887-98-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O7 and a molecular weight of 222.193 g/mol. It is also known as 2,2'-[Oxybis(2,1-ethanediyloxy)]diacetic acid, 2,2'-[Oxybis(ethane-2,1-diyloxy)]diacetic acid and 2,2'-[oxybis(2,1-ethanediyloxy)]bisacetic acid. Key properties include a boiling point of 443.7±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 178.3±18.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

13887-98-4

Jingsj CID

J-1969069-0

Molecular Formula

C₈H₁₄O₇

Chinese Name

3,6,9-三噁十一烷二酸

Molecular Weight

222.193 g/mol

Category

Organic Acids

Last updated

8/21/2026