3,3,5-Trimethylcyclohexanone
Also known as: Dihydroisophorone, (±)-Dihydroisophorone, 3,3,5-Trimethylcyclohexan-1-one, Cyclohexanone, 3,3,5-trimethyl-, 3,3,5-trimethylcyclohexanone
3,3,5-Trimethylcyclohexanone (CAS 873-94-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H16O and a molecular weight of 140.22300 g/mol. Key properties include a melting point of −10 °C(lit.), a boiling point of 188-192 °C(lit.), a density of 0.887 g/mL at 25 °C(lit.) and a flash point of 65.6 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 873-94-9
- Jingsj CID
- J-26348-9
- Molecular Formula
- C9H16O
- Molecular Weight
- 140.22300 g/mol
- Category
- Ketones
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −10 °C(lit.) |
|---|---|
| Boiling Point | 188-192 °C(lit.) |
| Density | 0.887 g/mL at 25 °C(lit.) |
| Flash Point | 65.6 °C |
| Exact Mass | 140.12000 |
| PSA | 17.07000 |
| LogP | 2.40170 |
| Refractive Index | n20/D 1.445(lit.) |
| Additional Property | 13 g/L (20 ºC) |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2914299000 |
|---|---|
| Summary | 2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. 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 3,3,5-Trimethylcyclohexanone?
The CAS number of 3,3,5-Trimethylcyclohexanone is 873-94-9.
What are the molecular formula and molecular weight of 3,3,5-Trimethylcyclohexanone?
3,3,5-Trimethylcyclohexanone has molecular formula C9H16O and molecular weight 140.22300 g/mol.
Is 3,3,5-Trimethylcyclohexanone hazardous?
3,3,5-Trimethylcyclohexanone has GHS signal word Warning and hazard statements 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. "3,3,5-Trimethylcyclohexanone (CAS 873-94-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26348-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.