3,5,5-Trimethylhexanal
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. 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 46.7 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 5435-64-3
- Jingsj CID
- J-26110-9
- Molecular Formula
- C9H18O
- Molecular Weight
- 142.23900 g/mol
- Category
- Organic Compounds
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 67-68 °C2.5 mm Hg(lit.) |
|---|---|
| Density | 0.817 g/mL at 25 °C(lit.) |
| Flash Point | 46.7 °C |
| Exact Mass | 142.13600 |
| PSA | 17.07000 |
| LogP | 2.64770 |
| Refractive Index | n20/D 1.421(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H412 — Harmful to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2912190090 |
|---|---|
| Summary | 2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
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 and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.
Data compiled from public chemical databases such as PubChem 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-26110-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.