2,5-Di-tert-butyl-4-methoxyphenol
Also known as: 2,5-DI-TERT-BUTYL-4-HYDROXYANISOLE, 2,5-DI-TERT-BUTYL-4-METHOXYPHENOL, 2,5-Di-tert-butyl-4-hydroxyanisole, 2,5-Di-tert-butyl-4-methoxy-phenol, 2,5-ditert-butyl-4-methoxyphenol, 4-methoxy-3,6-di-tert-butylphenol, 5-Hydroxy-2-methoxy-1.4-di-tert.-butyl-benzol, 2,5-bis(1,1-dimethylethyl)-4-methoxyphenol
2,5-Di-tert-butyl-4-methoxyphenol (CAS 1991-52-2) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C15H24O2 and a molecular weight of 236.35000 g/mol. Key properties include a melting point of 99-102ºC(lit.), a boiling point of 337.8ºC at 760 mmHg, a density of 0.963 g/cm3 and a flash point of 129.2ºC. 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.
- 1991-52-2
- Jingsj CID
- J-12143-7
- Molecular Formula
- C15H24O2
- Molecular Weight
- 236.35000 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 99-102ºC(lit.) |
|---|---|
| Boiling Point | 337.8ºC at 760 mmHg |
| Density | 0.963 g/cm3 |
| Flash Point | 129.2ºC |
| Exact Mass | 236.17800 |
| PSA | 29.46000 |
| LogP | 3.99580 |
| Appearance | Crystalline Powder，White to cream |
| Vapor Pressure | 5.25E-05mmHg at 25°C |
| Refractive Index | 1.495 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2909500000 |
|---|---|
| Summary | 2909500000 ether-phenols, ether-alcohol-phenols and their halogenated, sulphonated, nitrated or nitrosated derivatives 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 2,5-Di-tert-butyl-4-methoxyphenol?
The CAS number of 2,5-Di-tert-butyl-4-methoxyphenol is 1991-52-2.
What are the molecular formula and molecular weight of 2,5-Di-tert-butyl-4-methoxyphenol?
2,5-Di-tert-butyl-4-methoxyphenol has molecular formula C15H24O2 and molecular weight 236.35000 g/mol.
Is 2,5-Di-tert-butyl-4-methoxyphenol hazardous?
2,5-Di-tert-butyl-4-methoxyphenol 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 2,5-Di-tert-butyl-4-methoxyphenol?
For 2,5-Di-tert-butyl-4-methoxyphenol, Upstream Products: 4-Methoxyphenol, 2,5-Di-tert-butylhydroquinone, Dimethyl Carbonate; Downstream Products: 2-tert-Butyl-4-methoxyphenol, 2-tert-Butyl-4-hydroxyanisole, 4-Methoxyphenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Di-tert-butyl-4-methoxyphenol (CAS 1991-52-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12143-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.