dihydro-alpha-ionone
Also known as: 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)butan-2-one, 2-Butanone, 4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-, 4-(2,2,6-Trimethyl-5-cyclohexen-1-yl)-2-butanone, 7,8-dihydro-alpha-ionone, 7,8-dihydro-α-ionone, dihydro-α-ionone, dihydro-(alpha)-ionone
dihydro-alpha-ionone (CAS 31499-72-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H22O and a molecular weight of 194.31300 g/mol. Key properties include a boiling point of 90ºC0.1 mm Hg(lit.), a density of 0.922 g/mL at 20ºC(lit.) and a flash point of 98ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31499-72-6
- Jingsj CID
- J-1063503-7
- Molecular Formula
- C13H22O
- Molecular Weight
- 194.31300 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 90ºC0.1 mm Hg(lit.) |
|---|---|
| Density | 0.922 g/mL at 20ºC(lit.) |
| Flash Point | 98ºC |
| Exact Mass | 194.16700 |
| PSA | 17.07000 |
| LogP | 3.73810 |
| Refractive Index | n20/D 1.477 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- 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 dihydro-alpha-ionone?
The CAS number of dihydro-alpha-ionone is 31499-72-6.
What are the molecular formula and molecular weight of dihydro-alpha-ionone?
dihydro-alpha-ionone has molecular formula C13H22O and molecular weight 194.31300 g/mol.
Is dihydro-alpha-ionone hazardous?
dihydro-alpha-ionone has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of dihydro-alpha-ionone?
For dihydro-alpha-ionone, Upstream Products: alpha-Ionone, Geranylacetone, beta-ionone; Downstream Products: ionene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "dihydro-alpha-ionone (CAS 31499-72-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1063503-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.