3,5,5-Trimethylhexanal

3,5,5-三甲基己醛

Also known as: 3,5,5-Trimethylhexanaldehyde, Isononyl aldehyde, Vandor B, 3,5,5-Trimethyl-n-hexanal, 3,5,5-Trimethylcapronaldehyde, Trimethylhexanal, ISONONYLALDEHYDE

3,5,5-Trimethylhexanal (CAS 5435-64-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H18O and a molecular weight of 142.23900 g/mol. It is also known as 3,5,5-Trimethylhexanaldehyde, Isononyl aldehyde and Vandor B. Key properties include a boiling point of 67-68 °C2.5 mm Hg(lit.), a density of 0.817 g/mL at 25 °C(lit.) and a flash point of 116 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5435-64-3
Jingsj CID
J-26110-0
Molecular Formula
C9H18O
Chinese Name
3,5,5-三甲基己醛
Molecular Weight
142.23900 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point67-68 °C2.5 mm Hg(lit.)
Density0.817 g/mL at 25 °C(lit.)
Flash Point116 °F

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3,5,5-Trimethylhexanal?

The CAS number of 3,5,5-Trimethylhexanal is 5435-64-3.

What are the molecular formula and molecular weight of 3,5,5-Trimethylhexanal?

3,5,5-Trimethylhexanal has molecular formula C9H18O and molecular weight 142.23900 g/mol.

Is 3,5,5-Trimethylhexanal hazardous?

3,5,5-Trimethylhexanal has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3,5,5-Trimethylhexanal (CAS 5435-64-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26110-0 (accessed 2026-10-23).

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