4-Hydroxyindan-1-one
Also known as: 4-Hydroxy-1-indanone, 2,3-Dihydro-4-hydroxy-1H-inden-1-one, 4-Hydroxyindanone, 1H-Inden-1-one, 2,3-dihydro-4-hydroxy-
4-Hydroxyindan-1-one (CAS 40731-98-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H8O2 and a molecular weight of 148.16 g/mol. Key properties include a melting point of 242-244 °C(lit.), a boiling point of 307.6±31.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 130.1±17.4 °C. 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.
- 40731-98-4
- Jingsj CID
- J-23641-9
- Molecular Formula
- C9H8O2
- Molecular Weight
- 148.16 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 242-244 °C(lit.) |
|---|---|
| Boiling Point | 307.6±31.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 130.1±17.4 °C |
| Exact Mass | 148.052429 |
| PSA | 37.30000 |
| LogP | 1.82 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.631 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2914400090 |
|---|---|
| Summary | 2914400090 other ketone-alcohols and ketone-aldehydes。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 4-Hydroxyindan-1-one?
The CAS number of 4-Hydroxyindan-1-one is 40731-98-4.
What are the molecular formula and molecular weight of 4-Hydroxyindan-1-one?
4-Hydroxyindan-1-one has molecular formula C9H8O2 and molecular weight 148.16 g/mol.
Is 4-Hydroxyindan-1-one hazardous?
4-Hydroxyindan-1-one has GHS signal word Warning and hazard statements H315 — Causes skin irritation; 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. "4-Hydroxyindan-1-one (CAS 40731-98-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23641-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.