Bromo-PEG2-t-butyl ester

溴代-二聚乙二醇-丙酸叔丁酯

Also known as: Bromo-PEG2-C2-Boc, Br-PEG2-COOtBu, Br-PEG2-t-butyl ester, Bromo-PEG3-t-butyl ester, tert-Butyl 3-(2-(2-bromoethoxy)ethoxy)propanoate

Bromo-PEG2-t-butyl ester (CAS 1381861-91-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H21BrO4 and a molecular weight of 297.18604 g/mol. It is also known as Bromo-PEG2-C2-Boc, Br-PEG2-COOtBu and Br-PEG2-t-butyl ester. Key properties include a boiling point of 332.0±22.0 °C and a density of 1.240±0.06 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1381861-91-1
Jingsj CID: J-1989343-7
Molecular Formula: C₁₁H₂₁BrO₄
Chinese Name: 溴代-二聚乙二醇-丙酸叔丁酯
Molecular Weight: 297.18604 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	332.0±22.0 °C
Density	1.240±0.06 g/cm3

Frequently Asked Questions

What is the CAS number of Bromo-PEG2-t-butyl ester?

The CAS number of Bromo-PEG2-t-butyl ester is 1381861-91-1.

What are the molecular formula and molecular weight of Bromo-PEG2-t-butyl ester?

Bromo-PEG2-t-butyl ester has molecular formula C11H21BrO4 and molecular weight 297.18604 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Bromo-PEG2-t-butyl ester (CAS 1381861-91-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1989343-7 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.