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5 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC&

Also known as: 5 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC&, 5,12-BIS(PHENYLETHYNYL)NAPHTHACENE, TECH ., 5,12-Bis(phenylethynyl)naphthacene, 5,12-bis(2-phenylethynyl)tetracene, 5,12-bis(phenylethynyl)-naphthacen, 5,12-bisnaphthacene, BPEN, BPEN, 5,12-bis(phenylethynyl)naphthacene, EINECS 242-605-4, Einecs 242-605-4, MFCD00012052, Naphthacene, 5,12-bis(phenylethynyl)-

5 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC& (CAS 18826-29-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C34H20 and a molecular weight of 428.52300 g/mol. Key properties include a melting point of 248ºC (dec.)(lit.), a boiling point of 683.7ºC at 760mmHg, a density of 1.25g/cm3 and a flash point of 369.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18826-29-4
Jingsj CID
J-989552-7
Molecular Formula
C34H20
Molecular Weight
428.52300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point248ºC (dec.)(lit.)
Boiling Point683.7ºC at 760mmHg
Density1.25g/cm3
Flash Point369.5ºC
Exact Mass428.15700
LogP7.94580
Vapor Pressure9.02E-18mmHg at 25°C
Refractive Index1.784

Customs & Trade Information

HS Code2902909090
Summary2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 5 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC&?

The CAS number of 5 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC& is 18826-29-4.

What are the molecular formula and molecular weight of 5 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC&?

5 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC& has molecular formula C34H20 and molecular weight 428.52300 g/mol.

What are the upstream and downstream products of 5 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC&?

For 5 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC&, Upstream Products: tetracene-5,12-dione, Phenylacetylene, Lithium phenylacetylide.

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 12-BIS(PHENYLETHYNYL)NAPHTHACENE TEC& (CAS 18826-29-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-989552-7 (accessed 2026-11-09).

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