Phenyl p-tolyl sulfone
Also known as: 1-methyl-4-(phenylsulfonyl)benzene, 4-methyldiphenyl sulfone, 4-methylphenyl phenyl sulfone, p-tolyl phenyl sulfone, p-methyldiphenyl sulfone, sulfone, phenyl p-tolyl, Benzene, 1-methyl-4-(phenylsulfonyl)-, NSC 2724, NSC 633012, NSC 91059
Phenyl p-tolyl sulfone (CAS 640-57-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H12O2S and a molecular weight of 232.29800 g/mol. Key properties include a melting point of 127-129ºC, a boiling point of 387.9ºC at 760 mmHg, a density of 1.196g/cm3 and a flash point of 229.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 640-57-3
- Jingsj CID
- J-39030-7
- Molecular Formula
- C13H12O2S
- Molecular Weight
- 232.29800 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 127-129ºC |
|---|---|
| Boiling Point | 387.9ºC at 760 mmHg |
| Density | 1.196g/cm3 |
| Flash Point | 229.7ºC |
| Exact Mass | 232.05600 |
| PSA | 42.52000 |
| LogP | 3.90860 |
| Refractive Index | 1.583 |
Customs & Trade Information
| HS Code | 2904100000 |
|---|---|
| Summary | 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Phenyl p-tolyl sulfone?
The CAS number of Phenyl p-tolyl sulfone is 640-57-3.
What are the molecular formula and molecular weight of Phenyl p-tolyl sulfone?
Phenyl p-tolyl sulfone has molecular formula C13H12O2S and molecular weight 232.29800 g/mol.
What are the upstream and downstream products of Phenyl p-tolyl sulfone?
For Phenyl p-tolyl sulfone, Upstream Products: Iodobenzene, Sodium p-toluenesulfinate, p-Toluidine; Downstream Products: 4-Methylbenzenesulfinic acid, 4-Benzenesulfonylbenzoic acid, Phenyl p-Tolyl Sulfide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phenyl p-tolyl sulfone (CAS 640-57-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39030-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.