4-Chlorothioanisole
Also known as: 4-Chlorophenyl methyl sulfide, 1-Chloro-4-(methylthio)benzene, 1-Chloro-4-(methylsulfanyl)benzene, 4-(Methylthio)chlorobenzene, Methyl 4-chlorophenyl sulfide, p-Chlorophenyl methyl sulfide, 4-Chlorophenyl methyl sulphide
4-Chlorothioanisole (CAS 123-09-1) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C7H7ClS and a molecular weight of 158.648 g/mol. Key properties include a boiling point of 222.4±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 90.0±19.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 123-09-1
- Jingsj CID
- J-1990806-3
- Molecular Formula
- C7H7ClS
- Molecular Weight
- 158.648 g/mol
- Category
- Ethers
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 222.4±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 90.0±19.8 °C |
| Exact Mass | 157.995697 |
| PSA | 25.30000 |
| LogP | 3.73 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.588 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
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 4-Chlorothioanisole?
The CAS number of 4-Chlorothioanisole is 123-09-1.
What are the molecular formula and molecular weight of 4-Chlorothioanisole?
4-Chlorothioanisole has molecular formula C7H7ClS and molecular weight 158.648 g/mol.
Is 4-Chlorothioanisole hazardous?
4-Chlorothioanisole has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 4-Chlorothioanisole?
For 4-Chlorothioanisole, Upstream Products: 4-Chlorothiophenol, Dimethyl sulfate, p-Chlorophenyl methyl sulfoxide; Downstream Products: 4-(Trifluoromethylthio)chlorobenzene, (4-Chlorophenylthio)acetic acid, 4-(Trifluoromethylsulfonyl)chlorobenzene.
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-Chlorothioanisole (CAS 123-09-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990806-3 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.