2-Bromo-4'-(methylthio)acetophenone

Also known as: 2-bromo-1-(4-methylsulfanylphenyl)ethanone, 2-Bromo-1-[4-(methylthio)phenyl]ethan-1-one, 4-(Bromoacetyl)thioanisole, 4-Methylthio-alpha-bromoacetophenone, p-methylthiophenacyl bromide, OR9903

2-Bromo-4'-(methylthio)acetophenone (CAS 42445-46-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H9BrOS and a molecular weight of 245.13600 g/mol. Key properties include a boiling point of 330.7ºC at 760 mmHg, a density of 1.49g/cm3 and a flash point of 153.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42445-46-5
Jingsj CID: J-1494097-7
Molecular Formula: C₉H₉BrOS
Molecular Weight: 245.13600 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	330.7ºC at 760 mmHg
Density	1.49g/cm3
Flash Point	153.8ºC
Exact Mass	243.95600
PSA	42.37000
LogP	2.98610
Refractive Index	1.606

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 2-Bromo-4'-(methylthio)acetophenone?

The CAS number of 2-Bromo-4'-(methylthio)acetophenone is 42445-46-5.

What are the molecular formula and molecular weight of 2-Bromo-4'-(methylthio)acetophenone?

2-Bromo-4'-(methylthio)acetophenone has molecular formula C9H9BrOS and molecular weight 245.13600 g/mol.

What are the upstream and downstream products of 2-Bromo-4'-(methylthio)acetophenone?

For 2-Bromo-4'-(methylthio)acetophenone, Upstream Products: 4'-Methylthioacetophenone, Thioanisole, 4'-Fluoroacetophenone; Downstream Products: 2-Bromo-1-[4-(methylsulfonyl)phenyl]ethanone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Bromo-4'-(methylthio)acetophenone (CAS 42445-46-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494097-7 (accessed 2026-11-09).

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