Pentamethylbenzene
Also known as: 1,2,3,4,5-PENTAMETHYLBENZENE, 1,2,3,4,5-Pentamethylbenzene, Benzene, 1,2,3,4,5-pentamethyl-, EINECS 211-837-8, MFCD00008522, PENTAMETHYLBENZENE, Pentamethyl phenyl, Pentamethylbenzene~95%, Pentmethyl Benzene, benzene,pentamethyl-, pentamethyl-benzen, pentamethylbenzene
Pentamethylbenzene (CAS 700-12-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H16 and a molecular weight of 148.245 g/mol. Key properties include a melting point of 49-51 °C(lit.), a boiling point of 229.0±35.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 91.1±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 700-12-9
- Jingsj CID
- J-1353918-0
- Molecular Formula
- C11H16
- Molecular Weight
- 148.245 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 49-51 °C(lit.) |
|---|---|
| Boiling Point | 229.0±35.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 91.1±0.0 °C |
| Exact Mass | 148.125198 |
| LogP | 4.52 |
| Vapor Pressure | 0.1±0.2 mmHg at 25°C |
| Refractive Index | 1.502 |
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 Pentamethylbenzene?
The CAS number of Pentamethylbenzene is 700-12-9.
What are the molecular formula and molecular weight of Pentamethylbenzene?
Pentamethylbenzene has molecular formula C11H16 and molecular weight 148.245 g/mol.
What are the upstream and downstream products of Pentamethylbenzene?
For Pentamethylbenzene, Upstream Products: 2,3,4,5,6-Pentamethylbenzoic acid, But-2-yne, allyl toluene-4-sulfonate; Downstream Products: 1,2,3,5-tetramethylbenzene, HEXAMETHYLBENZENE, Pentamethylphenylacetonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pentamethylbenzene (CAS 700-12-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1353918-0 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.