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3-Methoxybenzenethiol

Also known as: 3-Mercaptoanisole, 3-Methoxythiophenol, m-Methoxythiophenol, m-Methoxybenzenethiol, m-Methoxyphenylthiol, Benzenethiol, 3-methoxy-, meta-Methoxybenzenethiol, HS-C6H4-3-OMe, m-MeO-thiophenol, 2-Thioanisole

3-Methoxybenzenethiol (CAS 15570-12-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C7H8OS and a molecular weight of 140.203 g/mol. Key properties include a boiling point of 223.5±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 96.1±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
15570-12-4
Jingsj CID
J-1966695-6
Molecular Formula
C7H8OS
Molecular Weight
140.203 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point223.5±13.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point96.1±0.0 °C
Exact Mass140.029587
PSA48.03000
LogP2.54
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.566

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2930909090
Summary2930909090. 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 3-Methoxybenzenethiol?

The CAS number of 3-Methoxybenzenethiol is 15570-12-4.

What are the molecular formula and molecular weight of 3-Methoxybenzenethiol?

3-Methoxybenzenethiol has molecular formula C7H8OS and molecular weight 140.203 g/mol.

Is 3-Methoxybenzenethiol hazardous?

3-Methoxybenzenethiol has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of 3-Methoxybenzenethiol?

For 3-Methoxybenzenethiol, Upstream Products: 3-Iodoanisole, 3-Methoxyphenol, Anisole; Downstream Products: 3-Hydroxybenzenethiol, Raloxifene, Raloxifene hydrochloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Methoxybenzenethiol (CAS 15570-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1966695-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.