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(4-Methylphenyl)methanethiol

Also known as: 4-Methylbenzyl mercaptan, 4-Methylbenzylthiol, p-Tolylmethanethiol, p-Xylyl mercaptan, alpha-Mercapto-p-xylene, Benzenemethanethiol, 4-methyl-

(4-Methylphenyl)methanethiol (CAS 4498-99-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H10S and a molecular weight of 138.23000 g/mol. Key properties include a melting point of 76℃, a boiling point of 116-118°C 35mm, a density of 1,023 g/cm3 and a flash point of 116-118°C/35mm. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4498-99-1
Jingsj CID
J-45123-0
Molecular Formula
C8H10S
Molecular Weight
138.23000 g/mol
Category
Alcohols
Last updated
8/21/2026
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Physicochemical Properties

Melting Point76℃
Boiling Point116-118°C 35mm
Density1,023 g/cm3
Flash Point116-118°C/35mm
Exact Mass138.05000
PSA38.80000
LogP2.42480
Refractive Index1.5630

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 (4-Methylphenyl)methanethiol?

The CAS number of (4-Methylphenyl)methanethiol is 4498-99-1.

What are the molecular formula and molecular weight of (4-Methylphenyl)methanethiol?

(4-Methylphenyl)methanethiol has molecular formula C8H10S and molecular weight 138.23000 g/mol.

What are the upstream and downstream products of (4-Methylphenyl)methanethiol?

For (4-Methylphenyl)methanethiol, Upstream Products: 4-Methylbenzyl bromide, 4-Methylbenzyl alcohol, 4-Methylbenzyl chloride; Downstream Products: (4-Methylphenyl)methanesulfonyl chloride, p-Xylene, 1,2-di(p-tolyl)ethane.

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-Methylphenyl)methanethiol (CAS 4498-99-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45123-0 (accessed 2026-11-09).

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