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Dansyl fluoride

Also known as: 5-(Dimethylamino)naphthalene-1-sulfonyl fluoride, 5-Dimethylamino-1-naphthalenesulfonyl fluoride, DNSF, 1-Naphthalenesulfonyl fluoride, 5-(dimethylamino)-

Dansyl fluoride (CAS 34523-28-9) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H12FNO2S and a molecular weight of 253.29300 g/mol. Key properties include a melting point of 52 °C, a boiling point of 352.8ºC at 760mmHg, a density of 1.317g/cm3 and a flash point of 167.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34523-28-9
Jingsj CID
J-38353-2
Molecular Formula
C12H12FNO2S
Molecular Weight
253.29300 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point52 °C
Boiling Point352.8ºC at 760mmHg
Density1.317g/cm3
Flash Point167.2ºC
Exact Mass253.05700
PSA45.76000
LogP3.64480
Refractive Index1.606

Customs & Trade Information

HS Code2921199090
Summary2921199090 other acyclic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Dansyl fluoride?

The CAS number of Dansyl fluoride is 34523-28-9.

What are the molecular formula and molecular weight of Dansyl fluoride?

Dansyl fluoride has molecular formula C12H12FNO2S and molecular weight 253.29300 g/mol.

What are the upstream and downstream products of Dansyl fluoride?

For Dansyl fluoride, Upstream Products: Dansyl chloride; Downstream Products: 5-(Dimethylamino)naphthalene-1-sulfonic acid.

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

Last updated:

How to cite: Jingsj. "Dansyl fluoride (CAS 34523-28-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38353-2 (accessed 2026-11-06).

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