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1,8-Diiodonaphthalene

Also known as: RMA-433, Naphthalene, 1,8-diiodo-, 1,8-Diiodonaphthalene - [D94653], 1,8-bis(iodanyl)naphthalene, 1,8-Dijod-naphthalin, 1,8-ジヨードナフタレン, 1,8-DIIODONAFTALENO, 1,8-DIIODONAPHTALÈNE, 1,8-ДИИОДОНАФТАЛИН, 1,8-ثنائي أيودونافثالين

1,8-Diiodonaphthalene (CAS 1730-04-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H6I2 and a molecular weight of 379.96400 g/mol. Key properties include a melting point of 109-113°C (lit.), a boiling point of 384.2ºC at 760 mmHg, a density of 2.265 g/cm3 and a flash point of 204.3ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1730-04-7
Jingsj CID
J-1520617-2
Molecular Formula
C10H6I2
Molecular Weight
379.96400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point109-113°C (lit.)
Boiling Point384.2ºC at 760 mmHg
Density2.265 g/cm3
Flash Point204.3ºC
Exact Mass379.85600
LogP4.04900

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H410 — Very toxic to aquatic life with long lasting effects

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 1,8-Diiodonaphthalene?

The CAS number of 1,8-Diiodonaphthalene is 1730-04-7.

What are the molecular formula and molecular weight of 1,8-Diiodonaphthalene?

1,8-Diiodonaphthalene has molecular formula C10H6I2 and molecular weight 379.96400 g/mol.

Is 1,8-Diiodonaphthalene hazardous?

1,8-Diiodonaphthalene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of 1,8-Diiodonaphthalene?

For 1,8-Diiodonaphthalene, Upstream Products: 1,8-Diaminonaphthalene, 1,8-Naphthalenedicarboxylic acid; Downstream Products: Benzo(a)pyrene, 1-Iodonaphthalene, 1-PHENYLNAPHTHALENE.

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

Last updated:

How to cite: Jingsj. "1,8-Diiodonaphthalene (CAS 1730-04-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520617-2 (accessed 2026-11-07).

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