3,4,5-Trimethylphenol
Also known as: 1-Hydroxy-3,4,5-trimethylbenzene, 3,4,5-Hemimellitenol, 5-Hydroxy-1,2,3-trimethylbenzene, Phenol, 3,4,5-trimethyl-, NSC 65648
3,4,5-Trimethylphenol (CAS 527-54-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H12O and a molecular weight of 136.191 g/mol. Key properties include a melting point of 109-98ºC, a boiling point of 248.5±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 109.1±8.4 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 527-54-8
- Jingsj CID
- J-38184-0
- Molecular Formula
- C9H12O
- Molecular Weight
- 136.191 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 109-98ºC |
|---|---|
| Boiling Point | 248.5±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 109.1±8.4 °C |
| Exact Mass | 136.088821 |
| PSA | 20.23000 |
| LogP | 2.86 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.536 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2907199090 |
|---|---|
| Summary | 2907199090 other monophenols VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3,4,5-Trimethylphenol?
The CAS number of 3,4,5-Trimethylphenol is 527-54-8.
What are the molecular formula and molecular weight of 3,4,5-Trimethylphenol?
3,4,5-Trimethylphenol has molecular formula C9H12O and molecular weight 136.191 g/mol.
Is 3,4,5-Trimethylphenol hazardous?
3,4,5-Trimethylphenol has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 3,4,5-Trimethylphenol?
For 3,4,5-Trimethylphenol, Upstream Products: Isophorone, 3,3,5-Trimethylcyclohexanone, Isophorone oxide; Downstream Products: 2,3,5-Trimethylphenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4,5-Trimethylphenol (CAS 527-54-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38184-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.