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5-iodo-1,2,3-trimethoxybenzene

Also known as: 1,2,3-trimethoxy-5-iodobenzene, 1-iodo-3,4,5-trimethoxybenzene, 3,4,5-trimethoxyiodobenzene, 3,4,5-trimethoxyphenyl iodide, 1-jodo-3,4,5-trimetoxibensen, Benzene, 5-iodo-1,2,3-trimethoxy-

5-iodo-1,2,3-trimethoxybenzene (CAS 25245-29-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H11IO3 and a molecular weight of 294.08600 g/mol. Key properties include a melting point of 85-87ºC, a boiling point of 312.6ºC at 760mmHg, a density of 1.602g/cm3 and a flash point of 142.9ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25245-29-8
Jingsj CID
J-25054-4
Molecular Formula
C9H11IO3
Molecular Weight
294.08600 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point85-87ºC
Boiling Point312.6ºC at 760mmHg
Density1.602g/cm3
Flash Point142.9ºC
Exact Mass293.97500
PSA27.69000
LogP2.31700
Vapor Pressure0.00096mmHg at 25°C
Refractive Index1.558

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2909309090
Summary2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 5-iodo-1,2,3-trimethoxybenzene?

The CAS number of 5-iodo-1,2,3-trimethoxybenzene is 25245-29-8.

What are the molecular formula and molecular weight of 5-iodo-1,2,3-trimethoxybenzene?

5-iodo-1,2,3-trimethoxybenzene has molecular formula C9H11IO3 and molecular weight 294.08600 g/mol.

Is 5-iodo-1,2,3-trimethoxybenzene hazardous?

5-iodo-1,2,3-trimethoxybenzene has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 5-iodo-1,2,3-trimethoxybenzene?

For 5-iodo-1,2,3-trimethoxybenzene, Upstream Products: 3,4,5-Trimethoxyaniline, 1,2,3-Trimethoxybenzene, 1,2,3-Trimethoxy-5-nitrobenzene; Downstream Products: 3,4,5-Trimethoxybenzaldehyde, 1,2,3-Trimethoxy-5-methylbenzene, 1,2,3-Trimethoxybenzene.

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

Last updated:

How to cite: Jingsj. "5-iodo-1,2,3-trimethoxybenzene (CAS 25245-29-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25054-4 (accessed 2026-11-09).

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