1,4-Dibenzyloxybenzene

Also known as: Hydroquinone dibenzyl ether, 1,4-Bis(benzyloxy)benzene, 1,4-Bis(phenylmethoxy)benzene, p-Dibenzyloxybenzene, Antioxidant DBH, Dibenzyloxybenzene, 1,4-Dibenzyloxybenze, Hydroquinone Dibenzyl Ether, Benzene, 1,4-bis(phenylmethoxy)-, quinol dibenzyl ether

1,4-Dibenzyloxybenzene (CAS 621-91-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H18O2 and a molecular weight of 290.356 g/mol. Key properties include a melting point of 128°C, a boiling point of 441.7±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 173.4±22.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 621-91-0
Jingsj CID: J-1492592-9
Molecular Formula: C₂₀H₁₈O₂
Molecular Weight: 290.356 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	128°C
Boiling Point	441.7±25.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	173.4±22.7 °C
Exact Mass	290.130676
PSA	18.46000
LogP	5.41
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.600

Customs & Trade Information

HS Code	2909309090
Summary	2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives 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 1,4-Dibenzyloxybenzene?

The CAS number of 1,4-Dibenzyloxybenzene is 621-91-0.

What are the molecular formula and molecular weight of 1,4-Dibenzyloxybenzene?

1,4-Dibenzyloxybenzene has molecular formula C20H18O2 and molecular weight 290.356 g/mol.

What are the upstream and downstream products of 1,4-Dibenzyloxybenzene?

For 1,4-Dibenzyloxybenzene, Upstream Products: Benzyl chloride, Hydroquinone, Monobenzone; Downstream Products: Hydroquinone, Monobenzone, 4-Benzyloxyphenyl acetate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,4-Dibenzyloxybenzene (CAS 621-91-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492592-9 (accessed 2026-11-09).

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