Methyl phenyl sulfoxide
Also known as: (Methylsulfinyl)benzene, Phenyl methyl sulfoxide, Thioanisole S-oxide, Methyl phenyl sulphoxide, methylsulfinylbenzene
Methyl phenyl sulfoxide (CAS 1193-82-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H8OS and a molecular weight of 140.20300 g/mol. Key properties include a melting point of 26-29 °C(lit.), a boiling point of 139-140 °C14 mm Hg(lit.) and a flash point of 86.1 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H318 — Causes serious eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 1193-82-4
- Jingsj CID
- J-1361831-0
- Molecular Formula
- C7H8OS
- Molecular Weight
- 140.20300 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 26-29 °C(lit.) |
|---|---|
| Boiling Point | 139-140 °C14 mm Hg(lit.) |
| Flash Point | 86.1 °C |
| Exact Mass | 140.03000 |
| PSA | 36.28000 |
| LogP | 2.28970 |
| Vapor Pressure | 0.0109mmHg at 25°C |
| Refractive Index | n20/D 1.5775(lit.) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Methyl phenyl sulfoxide?
The CAS number of Methyl phenyl sulfoxide is 1193-82-4.
What are the molecular formula and molecular weight of Methyl phenyl sulfoxide?
Methyl phenyl sulfoxide has molecular formula C7H8OS and molecular weight 140.20300 g/mol.
Is Methyl phenyl sulfoxide hazardous?
Methyl phenyl sulfoxide has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H318 — Causes serious eye damage; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl phenyl sulfoxide (CAS 1193-82-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361831-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.