ortho-terphenyl
Also known as: 1,1':2', 1''-Terphenyl, 1,1':2',1''-Terphenyl, 1,2-diphenylbenzene, EINECS 201-517-6, MFCD00003055, Terphenyl, UNII-W5675R7KVW, diphenylbenzene, o-terphenyl
ortho-terphenyl (CAS 84-15-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H14 and a molecular weight of 230.304 g/mol. Key properties include a melting point of 56-59 °C(lit.), a boiling point of 332.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 153.1±13.7 °C. It is classified under GHS with signal word Warning and hazard statements H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 84-15-1
- Jingsj CID
- J-30037-3
- Molecular Formula
- C18H14
- Molecular Weight
- 230.304 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 56-59 °C(lit.) |
|---|---|
| Boiling Point | 332.0±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 153.1±13.7 °C |
| Exact Mass | 230.109543 |
| LogP | 5.27 |
| Vapor Pressure | 0.0±0.3 mmHg at 25°C |
| Refractive Index | 1.602 |
GHS Safety & Compliance
- H351 — Suspected of causing cancer
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 ortho-terphenyl?
The CAS number of ortho-terphenyl is 84-15-1.
What are the molecular formula and molecular weight of ortho-terphenyl?
ortho-terphenyl has molecular formula C18H14 and molecular weight 230.304 g/mol.
Is ortho-terphenyl hazardous?
ortho-terphenyl has GHS signal word Warning and hazard statements H351 — Suspected of causing cancer.
What are the upstream and downstream products of ortho-terphenyl?
For ortho-terphenyl, Downstream Products: [1,1'-Biphenyl]-2-carboxylic acid, para-Terphenyl, m-Terphenyl.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "ortho-terphenyl (CAS 84-15-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30037-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.