2,3-Dimethylhydroquinone
Also known as: o-Xylene-3,6-diol, o-Xylohydroquinone, 2,3-Xylohydroquinone, 1,4-dihydroxy-2,3-dimethylbenzene, 2,3-dimethyl-1,4-benzenediol, 2,3-di-(methyl)-hydroquinone, 5,6-dimethylhydroquinone, Hydroquinone,2,3-dimethyl, 2,3-dimethylbenzene-1,4-diol, 3,6-Dihydroxy-o-xylene
2,3-Dimethylhydroquinone (CAS 608-43-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H10O2 and a molecular weight of 138.164 g/mol. Key properties include a melting point of 223-225 °C(lit.), a boiling point of 291.5±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 145.4±20.5 °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.
- 608-43-5
- Jingsj CID
- J-1354-7
- Molecular Formula
- C8H10O2
- Molecular Weight
- 138.164 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 223-225 °C(lit.) |
|---|---|
| Boiling Point | 291.5±35.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 145.4±20.5 °C |
| Exact Mass | 138.068085 |
| PSA | 40.46000 |
| LogP | 1.56 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.582 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- 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 2,3-Dimethylhydroquinone?
The CAS number of 2,3-Dimethylhydroquinone is 608-43-5.
What are the molecular formula and molecular weight of 2,3-Dimethylhydroquinone?
2,3-Dimethylhydroquinone has molecular formula C8H10O2 and molecular weight 138.164 g/mol.
Is 2,3-Dimethylhydroquinone hazardous?
2,3-Dimethylhydroquinone 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. "2,3-Dimethylhydroquinone (CAS 608-43-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1354-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.