4-ethylcatechol
Also known as: 4-ethylbenzene-1,2-diol, 3,4-dihydroxyethylbenzene, 4-ethyl-1,2-benzenediol, 1,2-benzenediol, 4-ethyl-, 1,2-dihydroxy-4-ethylbenzene, 1-ethyl-3,4-benzenediol, 1-ethyl-3,4-dihydroxybenzene, 4-ethylpyrocatechol, ethylcatechol, ethylpyrocatechol
4-ethylcatechol (CAS 1124-39-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H10O2 and a molecular weight of 138.16400 g/mol. Key properties include a melting point of 37-40°C, a boiling point of 105-107°C 0,5mm, a density of 1.159g/cm3 and a flash point of 105-107°C/0.5mm. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1124-39-6
- Jingsj CID
- J-1088078-1
- Molecular Formula
- C8H10O2
- Molecular Weight
- 138.16400 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 37-40°C |
|---|---|
| Boiling Point | 105-107°C 0,5mm |
| Density | 1.159g/cm3 |
| Flash Point | 105-107°C/0.5mm |
| Exact Mass | 138.06800 |
| PSA | 40.46000 |
| LogP | 1.66020 |
| Vapor Pressure | 0.00346mmHg at 25°C |
| Refractive Index | 1.578 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2907299090 |
|---|---|
| Summary | 2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。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-ethylcatechol?
The CAS number of 4-ethylcatechol is 1124-39-6.
What are the molecular formula and molecular weight of 4-ethylcatechol?
4-ethylcatechol has molecular formula C8H10O2 and molecular weight 138.16400 g/mol.
Is 4-ethylcatechol hazardous?
4-ethylcatechol has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
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-ethylcatechol (CAS 1124-39-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088078-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.