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N-Dansyl-N'-ethylthiourea

Also known as: 5-(Dimethylamino)-N-(ethylcarbamothioyl)naphthalene-1-sulfonamide, 1-Naphthalenesulfonamide, 5-(dimethylamino)-N-[(ethylamino)thioxomethyl]-, 1-[5-(dimethylamino)naphthalen-1-yl]sulfonyl-3-ethylthiourea

N-Dansyl-N'-ethylthiourea (CAS 186661-19-8) is a compound in the Sulfur Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H19N3O2S2 and a molecular weight of 337.46000 g/mol. Key properties include a melting point of 160-162ºC, a boiling point of 485.8ºC at 760 mmHg, a density of 1.303g/cm3 and a flash point of 247.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
186661-19-8
Jingsj CID
J-1412020-0
Molecular Formula
C15H19N3O2S2
Molecular Weight
337.46000 g/mol
Category
Sulfur Compounds
Last updated
8/21/2026
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Physicochemical Properties

Melting Point160-162ºC
Boiling Point485.8ºC at 760 mmHg
Density1.303g/cm3
Flash Point247.6ºC
Exact Mass337.09200
PSA101.91000
LogP3.94110
Vapor Pressure1.37E-09mmHg at 25°C
Refractive Index1.651
Storage Conditions2-8°C

Customs & Trade Information

HS Code2935009090
Summary2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of N-Dansyl-N'-ethylthiourea?

The CAS number of N-Dansyl-N'-ethylthiourea is 186661-19-8.

What are the molecular formula and molecular weight of N-Dansyl-N'-ethylthiourea?

N-Dansyl-N'-ethylthiourea has molecular formula C15H19N3O2S2 and molecular weight 337.46000 g/mol.

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

Last updated:

How to cite: Jingsj. "N-Dansyl-N'-ethylthiourea (CAS 186661-19-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1412020-0 (accessed 2026-11-06).

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