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1,2-Bis(2-iodoethoxy)ethane

Also known as: Iodo-PEG3-Iodide, 1,8-Diiodo-3,6-dioxaoctane, ETHYLENE GLYCOL BIS(2-IODOETHYL) ETHER, Ethylene Glycol Bis(2-iodoethyl) Ether, MFCD00075008, 1,2-Bis(2-iodoethoxy)ethane (stabilized with copper chip)

1,2-Bis(2-iodoethoxy)ethane (CAS 36839-55-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H12I2O2 and a molecular weight of 369.96700 g/mol. Key properties include a boiling point of 293.5ºC at 760 mmHg, a density of 2.028 g/mL at 25 °C(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
36839-55-1
Jingsj CID
J-1990178-1
Molecular Formula
C6H12I2O2
Molecular Weight
369.96700 g/mol
Category
Aliphatic Hydrocarbons
Last updated
11/3/2026

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Physicochemical Properties

Boiling Point293.5ºC at 760 mmHg
Density2.028 g/mL at 25 °C(lit.)
Flash Point>110.0 °C
Exact Mass369.89300
PSA18.46000
LogP1.88960
Refractive Indexn20/D 1.572(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

TargetPEGs
Additional Information[1]. Jaime-Figueroa S, et al. Design, synthesis and biological evaluation of Proteolysis Targeting Chimeras (PROTACs) as a BTK degraders with improved pharmacokinetic properties. 2020 Feb 1;30(3):126877.

Customs & Trade Information

HS Code2909199090
Summary2909199090. other acyclic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,2-Bis(2-iodoethoxy)ethane?

The CAS number of 1,2-Bis(2-iodoethoxy)ethane is 36839-55-1.

What are the molecular formula and molecular weight of 1,2-Bis(2-iodoethoxy)ethane?

1,2-Bis(2-iodoethoxy)ethane has molecular formula C6H12I2O2 and molecular weight 369.96700 g/mol.

Is 1,2-Bis(2-iodoethoxy)ethane hazardous?

1,2-Bis(2-iodoethoxy)ethane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1,2-Bis(2-iodoethoxy)ethane?

For 1,2-Bis(2-iodoethoxy)ethane, Upstream Products: Triethylene glycol bis(p-toluenesulfonate), 1,2-bis(2-chloroethoxy)ethane, Triethylene glycol; Downstream Products: 1,4,10-Trioxa-7,13-diazacyclopentadecane, 4,7,13,16,21-Pentaoxa-1,10-diazabicyclo[8.8.5]tricosane, 5,6-Benzo-4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexacos-5-ene.

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

Last updated:

How to cite: Jingsj. "1,2-Bis(2-iodoethoxy)ethane (CAS 36839-55-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990178-1 (accessed 2026-11-09).

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