β-Ionylidene ethanol

Also known as: (2E,4E)-3-Methyl-5-(2,6,6-trimethylcyclohex-1-en-1-yl)penta-2,4-dien-1-ol, beta-Ionylidene ethanol, (2E,4E)-β-Ionyliden-ethanol, 3-Methyl-5-(2,6,6-trimethylcyclohex-1-enyl)penta-2,4-dien-1-ol

β-Ionylidene ethanol (CAS 3917-39-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C15H24O and a molecular weight of 220.35000 g/mol. Key properties include a boiling point of 329.06ºC at 760 mmHg, a density of 0.956g/cm3 and a flash point of 123.208ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3917-39-3
Jingsj CID: J-1178379-2
Molecular Formula: C₁₅H₂₄O
Molecular Weight: 220.35000 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	329.06ºC at 760 mmHg
Density	0.956g/cm3
Flash Point	123.208ºC
Exact Mass	220.18300
PSA	20.23000
LogP	4.00780
Refractive Index	1.541

Customs & Trade Information

HS Code	2906199090
Summary	2906199090. cyclanic, cyclenic or cyclotherpenic alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of β-Ionylidene ethanol?

The CAS number of β-Ionylidene ethanol is 3917-39-3.

What are the molecular formula and molecular weight of β-Ionylidene ethanol?

β-Ionylidene ethanol has molecular formula C15H24O and molecular weight 220.35000 g/mol.

What are the upstream and downstream products of β-Ionylidene ethanol?

For β-Ionylidene ethanol, Upstream Products: beta-ionone; Downstream Products: Isotretinoin, Beta-Carotene, Retinol.

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. "β-Ionylidene ethanol (CAS 3917-39-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1178379-2 (accessed 2026-11-09).

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