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Fenson

Also known as: 4-chlorophenyl benzenesulfonate, 4-chlorophenyl benzenesulphonate, Fensone, Phenizon, Murvesco, Aracid, fenizon

Fenson (CAS 80-38-6) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C12H9ClO3S and a molecular weight of 268.71600 g/mol. Key property: a flash point of >100ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H319 — Causes serious eye irritation and H411 — Toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
80-38-6
Jingsj CID
J-13754-0
Molecular Formula
C12H9ClO3S
Molecular Weight
268.71600 g/mol
Category
Esters
Last updated
11/3/2026

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Physicochemical Properties

Flash Point>100ºC
Exact Mass267.99600
PSA51.75000
LogP4.18850

GHS Safety & Compliance

Irritant / Environmental HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H319 — Causes serious eye irritation
  • H411 — Toxic to aquatic life with long lasting effects

Frequently Asked Questions

What is the CAS number of Fenson?

The CAS number of Fenson is 80-38-6.

What are the molecular formula and molecular weight of Fenson?

Fenson has molecular formula C12H9ClO3S and molecular weight 268.71600 g/mol.

Is Fenson hazardous?

Fenson has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation; H411 — Toxic to aquatic life with long lasting effects.

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

Last updated:

How to cite: Jingsj. "Fenson (CAS 80-38-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13754-0 (accessed 2026-11-06).

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