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Methoxymethyl iodide

Also known as: IODOMETHYL METHYL ETHER, iodomethyl methyl ether, iodomethoxymethane, iodo(methoxy)methane

Methoxymethyl iodide (CAS 13057-19-7) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C2H5IO and a molecular weight of 171.96500 g/mol. Key properties include a boiling point of 123ºC at 760mmHg, a density of 1.982g/cm3 and a flash point of 22.2ºC. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H301 — Toxic if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13057-19-7
Jingsj CID
J-39133-9
Molecular Formula
C2H5IO
Molecular Weight
171.96500 g/mol
Category
Ethers
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point123ºC at 760mmHg
Density1.982g/cm3
Flash Point22.2ºC
Exact Mass171.93900
PSA9.23000
LogP1.02530
Vapor Pressure16.4mmHg at 25°C
Refractive Indexn20/D 1.546(lit.)

GHS Safety & Compliance

Flammable / Corrosion / Acute Toxicity / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled
  • H314 — Causes severe skin burns and eye damage
  • H351 — Suspected of causing cancer

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 Methoxymethyl iodide?

The CAS number of Methoxymethyl iodide is 13057-19-7.

What are the molecular formula and molecular weight of Methoxymethyl iodide?

Methoxymethyl iodide has molecular formula C2H5IO and molecular weight 171.96500 g/mol.

Is Methoxymethyl iodide hazardous?

Methoxymethyl iodide has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of Methoxymethyl iodide?

For Methoxymethyl iodide, Upstream Products: dimethoxymethane, Methanol, Formaldehyde; Downstream Products: iodomethane, Diethyl (Methoxymethyl)phosphonate, ethyl dimethylphosphinate.

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

Last updated:

How to cite: Jingsj. "Methoxymethyl iodide (CAS 13057-19-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39133-9 (accessed 2026-11-07).

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