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1,6-DIPHENYL-1,3,5-HEXATRIENE

Also known as: 1,1’-(1,3,5-hexatriene-1,6-diyl)bis-benzen, 1,3,5-Hexatriene, 1,6-diphenyl-, 1,3,5-hexatriene,1,6-diphenyl, 1,3,5-hexatriene,1,6-diphenyl-, 1,6-DIPHENYLHEXATRIENE, 1,6-diphenylhexa-1,3,5-triene, 1,6-diphenylhexatriene, 1t,6t-diphenyl-hexa-1,3t,5-triene, DICINNAMYL, DPH, Dicinnamyl,DPH, Diphenylhexatriene, EINECS 217-011-3, MFCD00004793, [(1E,3E,5E)-6-Phenyl-1,3,5-hexatrienyl]benzene, a,w-Diphenylhexatriene

1,6-DIPHENYL-1,3,5-HEXATRIENE (CAS 1720-32-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H16 and a molecular weight of 232.32000 g/mol. Key properties include a melting point of 199-203 °C(lit.), a boiling point of 407.2ºC at 760mmHg, a density of 1.028g/cm3 and a flash point of 221ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1720-32-7
Jingsj CID
J-2573-7
Molecular Formula
C18H16
Molecular Weight
232.32000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point199-203 °C(lit.)
Boiling Point407.2ºC at 760mmHg
Density1.028g/cm3
Flash Point221ºC
Exact Mass232.12500
LogP4.96940
Vapor Pressure4.44E-05mmHg at 25°C
Refractive Index1.585

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. H Y Yeh, et al. Characterization of lipopolysaccharide fractions and their interactions with cells and model membranes. J Bacteriol. 1992 Jan;174(1):336-41.

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 1,6-DIPHENYL-1,3,5-HEXATRIENE?

The CAS number of 1,6-DIPHENYL-1,3,5-HEXATRIENE is 1720-32-7.

What are the molecular formula and molecular weight of 1,6-DIPHENYL-1,3,5-HEXATRIENE?

1,6-DIPHENYL-1,3,5-HEXATRIENE has molecular formula C18H16 and molecular weight 232.32000 g/mol.

Is 1,6-DIPHENYL-1,3,5-HEXATRIENE hazardous?

1,6-DIPHENYL-1,3,5-HEXATRIENE has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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

Last updated:

How to cite: Jingsj. "1,6-DIPHENYL-1,3,5-HEXATRIENE (CAS 1720-32-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2573-7 (accessed 2026-11-07).

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