4,4''-Diiodo-1,1':4',1''-terphenyl

4,4''-二碘对三联苯

Also known as: 4,4''-Diiodo-p-terphenyl, 1,4-bis(4-iodophenyl)benzene, 4,4''-diiodo-1,1':4',1''-terphenyl, 4,4'-Diiodo-p-terphenyl, 4,4''-diiodoterphenyl

4,4''-Diiodo-1,1':4',1''-terphenyl (CAS 19053-14-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H12I2 and a molecular weight of 482.09700 g/mol. It is also known as 4,4''-Diiodo-p-terphenyl, 1,4-bis(4-iodophenyl)benzene and 4,4''-diiodo-1,1':4',1''-terphenyl. Key properties include a melting point of 328ºC, a boiling point of 316.9ºC at 760mmHg, a density of 1.66g/cm3 and a flash point of 145.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19053-14-6
Jingsj CID
J-23242-3
Molecular Formula
C18H12I2
Chinese Name
4,4''-二碘对三联苯
Molecular Weight
482.09700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point328ºC
Boiling Point316.9ºC at 760mmHg
Density1.66g/cm3
Flash Point145.5ºC
Exact Mass481.90300
LogP6.22980
Vapor Pressure1.16E-09mmHg at 25°C
Refractive Index1.692

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 4,4''-Diiodo-1,1':4',1''-terphenyl?

The CAS number of 4,4''-Diiodo-1,1':4',1''-terphenyl is 19053-14-6.

What are the molecular formula and molecular weight of 4,4''-Diiodo-1,1':4',1''-terphenyl?

4,4''-Diiodo-1,1':4',1''-terphenyl has molecular formula C18H12I2 and molecular weight 482.09700 g/mol.

What are the upstream and downstream products of 4,4''-Diiodo-1,1':4',1''-terphenyl?

For 4,4''-Diiodo-1,1':4',1''-terphenyl, Upstream Products: para-Terphenyl, 1,4-Dibromobenzene, Phenylboronic acid; Downstream Products: 1,1':4',1'':4'',1''':4''',1''''-Quinquephenyl.

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

Last updated:

How to cite: Jingsj. "4,4''-Diiodo-1,1':4',1''-terphenyl (CAS 19053-14-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23242-3 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.