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2-Phenylethanethiol

Also known as: 2-Phenylethyl mercaptan, Phenethyl mercaptan, Phenylethyl mercaptan, Benzeneethanethiol, 2-phenyl-1-ethanethiol, 2-phenyl-ethanethiol, 2-Phenylethylthiol, 2-mercaptophenylethane, 1,2-phenylethylmercaptane, β-Phenyl ethyl mercaphtan

2-Phenylethanethiol (CAS 4410-99-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C8H10S and a molecular weight of 138.230 g/mol. Key properties include a boiling point of 213.5±19.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 90.6±0.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4410-99-5
Jingsj CID
J-20290-4
Molecular Formula
C8H10S
Molecular Weight
138.230 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point213.5±19.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point90.6±0.0 °C
Exact Mass138.050323
PSA38.80000
LogP2.87
Vapor Pressure0.2±0.4 mmHg at 25°C
Refractive Index1.554

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 2-Phenylethanethiol?

The CAS number of 2-Phenylethanethiol is 4410-99-5.

What are the molecular formula and molecular weight of 2-Phenylethanethiol?

2-Phenylethanethiol has molecular formula C8H10S and molecular weight 138.230 g/mol.

What are the upstream and downstream products of 2-Phenylethanethiol?

For 2-Phenylethanethiol, Upstream Products: bis(tri-n-butyltin) sulfide, (2-Bromoethyl)benzene, Benzyl bromide; Downstream Products: 2-Phenylethanesulfonyl chloride, 4,5-Dichloro-3(2H)-pyridazinone, 2-Phenylacetamide.

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

Last updated:

How to cite: Jingsj. "2-Phenylethanethiol (CAS 4410-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20290-4 (accessed 2026-11-09).

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