2,5,8,11,14-Pentaoxahexadecan-16-amine

Also known as: m-PEG5-amine, Methyl-PEG5-amine, MPEG5-NH2, H2N-(CH2CH2O)5-Me, mPEG5-NH2

2,5,8,11,14-Pentaoxahexadecan-16-amine (CAS 5498-83-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C11H25NO5 and a molecular weight of 251.32000 g/mol. Key properties include a boiling point of 324.5ºC at 760 mmHg, a density of 1.023g/cm3 and a flash point of 143.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5498-83-9
Jingsj CID: J-1969687-8
Molecular Formula: C₁₁H₂₅NO₅
Molecular Weight: 251.32000 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	324.5ºC at 760 mmHg
Density	1.023g/cm3
Flash Point	143.5ºC
Exact Mass	251.17300
PSA	72.17000
LogP	0.35820
Refractive Index	1.444
Storage Conditions	2-8°C

Activity & Biological Data

Target	PEGs
Additional Information	[1]. An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562

Customs & Trade Information

HS Code	2921199090
Summary	2921199090 other acyclic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,5,8,11,14-Pentaoxahexadecan-16-amine?

The CAS number of 2,5,8,11,14-Pentaoxahexadecan-16-amine is 5498-83-9.

What are the molecular formula and molecular weight of 2,5,8,11,14-Pentaoxahexadecan-16-amine?

2,5,8,11,14-Pentaoxahexadecan-16-amine has molecular formula C11H25NO5 and molecular weight 251.32000 g/mol.

What are the upstream and downstream products of 2,5,8,11,14-Pentaoxahexadecan-16-amine?

For 2,5,8,11,14-Pentaoxahexadecan-16-amine, Upstream Products: Pentaethylene glycol monomethyl ether.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,5,8,11,14-Pentaoxahexadecan-16-amine (CAS 5498-83-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969687-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.