Dansyl chloride
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Description
A Fluorescent dye primarily used to detect proteins. Dansyl chloride has yellow orange crystals. It is also used in fluorescent labeling and as a detection agent for column chromatography.
Synonyms and Related Terms
5-dimethylamino-1-naphthalenesulfonyl chloride; 5-dimethylamononaphthyl-5-sulfonyl chloride
Other Properties
Soluble in acetone, acetonitrile, methylene chloride. Insoluble in water. Maximum absorption wavelength = 335 nm. Maximum emission wavelength = 500 nm.
| Composition | C12H12ClNO2S |
|---|---|
| CAS | 605-65-2 |
| Melting Point | 72-74 |
| Molecular Weight | mol. wt.= 269.6025 |
Hazards and Safety
Contact causes irritation and possible burns.
Fisher Scientific: MSDS
Sources Checked for Data in Record
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2877
- Aldrich Chemical Catalog Comment: p. 433