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1,2-Diiodobenzene

Also known as: o-Diiodobenzene, ortho-diiodobenzene, 1,2-diiodobenzene, diiodobenzene, Benzene, 1,2-diiodo-, Benzene, o-diiodo-

1,2-Diiodobenzene (CAS 615-42-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4I2 and a molecular weight of 329.905 g/mol. Key properties include a melting point of >300°C, a boiling point of 284.8±0.0 °C at 760 mmHg, a density of 2.5±0.1 g/cm3 and a flash point of 134.5±18.1 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H318 — Causes serious eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
615-42-9
Jingsj CID
J-1403468-5
Molecular Formula
C6H4I2
Molecular Weight
329.905 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/3/2026

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Physicochemical Properties

Melting Point>300°C
Boiling Point284.8±0.0 °C at 760 mmHg
Density2.5±0.1 g/cm3
Flash Point134.5±18.1 °C
Exact Mass329.840210
LogP4.20
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.708

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H315 — Causes skin irritation
  • H318 — Causes serious eye damage
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2903999090
Summary2903999090 halogenated derivatives of aromatic hydrocarbons 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 1,2-Diiodobenzene?

The CAS number of 1,2-Diiodobenzene is 615-42-9.

What are the molecular formula and molecular weight of 1,2-Diiodobenzene?

1,2-Diiodobenzene has molecular formula C6H4I2 and molecular weight 329.905 g/mol.

Is 1,2-Diiodobenzene hazardous?

1,2-Diiodobenzene has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H318 — Causes serious eye damage; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1,2-Diiodobenzene?

For 1,2-Diiodobenzene, Upstream Products: 2-Iodoaniline, 2-(Trimethylsilyl)phenyl trifluoromethanesulfonate, Iodobenzene; Downstream Products: 2,3-Dihydro-1,4-benzodithiin, Thioanisole, 2-(propan-2-yl)-1H-benzimidazole.

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-Diiodobenzene (CAS 615-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1403468-5 (accessed 2026-11-09).

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