2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide

Also known as: 2,3-Dihydro-3,3-dimethyl-2-fluoro-1,2-benzisothiazole 1,1-dioxide, N-Fluoro-2,α-cumenesultam, N-fluorosultam, 2-Fluoro-3,3-dimethyl-2,3-dihydrobenzo[d]isothiazole 1,1-dioxide

2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide (CAS 124170-23-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10FNO2S and a molecular weight of 215.24500 g/mol. Key properties include a melting point of 115-117ºC, a boiling point of 307.6ºC at 760 mmHg, a density of 1.41g/cm3 and a flash point of 139.9ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 124170-23-6
Jingsj CID: J-1391221-5
Molecular Formula: C₉H₁₀FNO₂S
Molecular Weight: 215.24500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	115-117ºC
Boiling Point	307.6ºC at 760 mmHg
Density	1.41g/cm3
Flash Point	139.9ºC
Exact Mass	215.04200
PSA	45.76000
LogP	2.82920
Vapor Pressure	0.000715mmHg at 25°C
Refractive Index	1.59

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2934991000
Summary	2934991000. sultones and sultams. 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-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide?

The CAS number of 2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide is 124170-23-6.

What are the molecular formula and molecular weight of 2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide?

2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide has molecular formula C9H10FNO2S and molecular weight 215.24500 g/mol.

Is 2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide hazardous?

2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide?

For 2-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide, Upstream Products: 2,3-Dihydro-3,3-dimethyl-1,2-benzisothiazole 1,1-dioxide; Downstream Products: 2,3-Dihydro-3,3-dimethyl-1,2-benzisothiazole 1,1-dioxide.

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-Fluoro-3,3-dimethyl-2,3-dihydro-1,2-benzisothiazole 1,1-dioxide (CAS 124170-23-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1391221-5 (accessed 2026-11-09).

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