D

Dansyl chloride

IUPAC: 5-(dimethylamino)naphthalene-1-sulfonyl chloride

C12H12ClNO2S Laboratory Reagents CAS 605-65-2
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Quick Reference
Formula / NotationC12H12ClNO2S
CAS Number605-65-2
Molecular Weight269.75
AppearanceYellow-orange solid; [Merck Index] Orange powder; [Alfa Aesar MSDS]
Also Known As5-(dimethylamino)naphthalene-1-sulfonyl chloride; 605-65-2; 5-(Dimethylamino)naphthalene-1-sulfonyl chloride; DNS chloride; Dansyl; 5-(Dimethylamino)-1-naphthalenesulfonyl chloride; Dansylchloride; 1-NAPHTHALENESULFONYL CHLORIDE, 5-(DIMETHYLAMINO)-; 1-Dimethylaminonaphthalene-5-sulfonyl chloride; 5-Dimethylaminonaphthalene-1-sulphonyl chloride
CategoryLaboratory Reagents

What is Dansyl chloride?

Dansyl chloride (C12H12ClNO2S) is a laboratory reagent that appears as Yellow-orange solid; [Merck Index] Orange powder; [Alfa Aesar MSDS]. It has a molecular weight of 269.75 g/mol. Its IUPAC name is 5-(dimethylamino)naphthalene-1-sulfonyl chloride.

Formula & Notation

C12H12ClNO2S

IUPAC Name: 5-(dimethylamino)naphthalene-1-sulfonyl chloride

Other Names / Synonyms: 5-(dimethylamino)naphthalene-1-sulfonyl chloride; 605-65-2; 5-(Dimethylamino)naphthalene-1-sulfonyl chloride; DNS chloride; Dansyl; 5-(Dimethylamino)-1-naphthalenesulfonyl chloride; Dansylchloride; 1-NAPHTHALENESULFONYL CHLORIDE, 5-(DIMETHYLAMINO)-; 1-Dimethylaminonaphthalene-5-sulfonyl chloride; 5-Dimethylaminonaphthalene-1-sulphonyl chloride

Properties & Characteristics

Appearance: Yellow-orange solid; [Merck Index] Orange powder; [Alfa Aesar MSDS]. Molecular formula: C12H12ClNO2S. Molecular weight: 269.75 g/mol. LogP: 3.5.

Physical Data

PropertyValue
Molecular Weight269.75
AppearanceYellow-orange solid; [Merck Index] Orange powder; [Alfa Aesar MSDS]

Uses & Applications

Used as a synthetic reagent for transformations including oxidation, reduction, coupling, or functional group manipulation.

Safety Information

Hazardous reagent. May be toxic, corrosive, flammable, or reactive. Use in fume hood with full PPE. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Dansyl chloride
Formula C12H12ClNO2S
CAS Number 605-65-2
Molecular Weight 269.75
Category Laboratory Reagents
Index All "D" terms
Synonyms 5-(dimethylamino)naphthalene-1-sulfonyl chloride; 605-65-2; 5-(Dimethylamino)naphthalene-1-sulfonyl chloride; DNS chloride; Dansyl; 5-(Dimethylamino)-1-naphthalenesulfonyl chloride; Dansylchloride; 1-NAPHTHALENESULFONYL CHLORIDE, 5-(DIMETHYLAMINO)-; 1-Dimethylaminonaphthalene-5-sulfonyl chloride; 5-Dimethylaminonaphthalene-1-sulphonyl chloride

Frequently Asked Questions

Dansyl chloride (C12H12ClNO2S) is a laboratory reagent that appears as Yellow-orange solid; [Merck Index] Orange powder; [Alfa Aesar MSDS]. It has a molecular weight of 269.75 g/mol. Its IUPAC name is 5-(dimethylamino)naphthalene-1-sulfonyl chloride.

More "D" Terms

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.

AllChemicals.info — The Online Chemical Glossary | https://allchemicals.info/chemical/dansyl-chloride

For educational purposes only. Verify all information before use.