4,4'-Diiodobiphenyl
Also known as: 1,1'-Biphenyl, 4,4'-diiodo-, 4,4'-Diiodo-1,1'-biphenyl, 4,4'-Diiodobiphenyl (DIB), 4-(4'-Iodophenyl)iodobenzene, Biphenyl, 4,4'-diiodo, EINECS 221-080-5
4,4'-Diiodobiphenyl (CAS 3001-15-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H8I2 and a molecular weight of 406.001 g/mol. Key properties include a melting point of 201-204 °C(lit.), a boiling point of 380.9±35.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 191.5±21.4 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3001-15-8
- Jingsj CID
- J-5341-8
- Molecular Formula
- C12H8I2
- Molecular Weight
- 406.001 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 201-204 °C(lit.) |
|---|---|
| Boiling Point | 380.9±35.0 °C at 760 mmHg |
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 191.5±21.4 °C |
| Exact Mass | 405.871521 |
| LogP | 5.99 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.698 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
Customs & Trade Information
| HS Code | 2903999090 |
|---|---|
| Summary | 2903999090 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 4,4'-Diiodobiphenyl?
The CAS number of 4,4'-Diiodobiphenyl is 3001-15-8.
What are the molecular formula and molecular weight of 4,4'-Diiodobiphenyl?
4,4'-Diiodobiphenyl has molecular formula C12H8I2 and molecular weight 406.001 g/mol.
Is 4,4'-Diiodobiphenyl hazardous?
4,4'-Diiodobiphenyl has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 4,4'-Diiodobiphenyl?
For 4,4'-Diiodobiphenyl, Upstream Products: Biphenyl, 4-Iodophenylboronic acid, 1,4-Diiodobenzene; Downstream Products: N4,N4'-Di-1-naphthalenyl-N4,N4'-di-2-naphthalenyl-[1,1'-biphenyl]-4,4'-diamine, 4,4'-Biphenyldiboronic acid, 4,4'-Bis(N-carbazolyl)-1,1'-biphenyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4'-Diiodobiphenyl (CAS 3001-15-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5341-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.