4-Tolyl ether
Also known as: bis(4-methylphenyl) ether, Di-p-tolyl ether, p-Tolyl ether, 1-methyl-4-(4-methylphenoxy)benzene, 4,4'-Dimethyldiphenyl ether, 4,4'-Oxybis(methylbenzene), p-(p-Tolyloxy)toluene, 1,1'-Oxybis(4-methylbenzene)
4-Tolyl ether (CAS 1579-40-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C14H14O and a molecular weight of 198.260 g/mol. Key properties include a melting point of 47-49 °C(lit.), a boiling point of 285.5±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 121.3±14.4 °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.
- 1579-40-4
- Jingsj CID
- J-1492894-0
- Molecular Formula
- C14H14O
- Molecular Weight
- 198.260 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 47-49 °C(lit.) |
|---|---|
| Boiling Point | 285.5±9.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 121.3±14.4 °C |
| Exact Mass | 198.104462 |
| PSA | 9.23000 |
| LogP | 5.13 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.561 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2902909090 |
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Tolyl ether?
The CAS number of 4-Tolyl ether is 1579-40-4.
What are the molecular formula and molecular weight of 4-Tolyl ether?
4-Tolyl ether has molecular formula C14H14O and molecular weight 198.260 g/mol.
Is 4-Tolyl ether hazardous?
4-Tolyl ether 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 4-Tolyl ether?
For 4-Tolyl ether, Upstream Products: p-Cresol, 4-Iodotoluene, 4-Bromotoluene; Downstream Products: 2,4,6-Trichloropyrimidine, 4-(p-Tolyloxy)benzonitrile, Bis[4-(bromomethyl)phenyl] ether.
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-Tolyl ether (CAS 1579-40-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492894-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.