3,5-Dimethoxythiophenol

3,5-二甲氧基苯硫酚

Also known as: 3,5-Dimethoxybenzenethiol, Benzenethiol, 3,5-dimethoxy-, 3,5-Dimethoxythiophenol

3,5-Dimethoxythiophenol (CAS 19689-66-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H10O2S and a molecular weight of 170.22900 g/mol. It is also known as 3,5-Dimethoxybenzenethiol and Benzenethiol, 3,5-dimethoxy-. Key properties include a boiling point of 262.9ºC at 760mmHg and a flash point of 112.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19689-66-8
Jingsj CID: J-24655-2
Molecular Formula: C₈H₁₀O₂S
Chinese Name: 3,5-二甲氧基苯硫酚
Molecular Weight: 170.22900 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	262.9ºC at 760mmHg
Flash Point	112.8ºC
Exact Mass	170.04000
PSA	57.26000
LogP	1.99250
Vapor Pressure	0.0173mmHg at 25°C

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 3,5-Dimethoxythiophenol?

The CAS number of 3,5-Dimethoxythiophenol is 19689-66-8.

What are the molecular formula and molecular weight of 3,5-Dimethoxythiophenol?

3,5-Dimethoxythiophenol has molecular formula C8H10O2S and molecular weight 170.22900 g/mol.

What are the upstream and downstream products of 3,5-Dimethoxythiophenol?

For 3,5-Dimethoxythiophenol, Upstream Products: S-(3,5-dimethoxyphenyl) N,N-dimethylcarbamothioate, 3,5-Dimethoxyphenol, 3,5-Dimethoxyaniline; Downstream Products: 1,3-dimethoxy-5-methylthiobenzene.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3,5-Dimethoxythiophenol (CAS 19689-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24655-2 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.