Merck
All Photos(2)

218898

Sigma-Aldrich

5-(Dimethylamino)-1-naphthalenesulfonamide

99%

Synonym(s):
DNSA, Dansyl amide
Linear Formula:
(CH3)2NC10H6SO2NH2
CAS Number:
Molecular Weight:
250.32
Beilstein:
2217203
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

assay

99%

mp

218-221 °C (lit.)

fluorescence

λex 280 nm; λem 470 nm (bound to carbon anhydrase)
λem 580 in ethanol

SMILES string

CN(C)c1cccc2c(cccc12)S(N)(=O)=O

InChI

1S/C12H14N2O2S/c1-14(2)11-7-3-6-10-9(11)5-4-8-12(10)17(13,15)16/h3-8H,1-2H3,(H2,13,15,16)

InChI key

TYNBFJJKZPTRKS-UHFFFAOYSA-N

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Application

5-(Dimethylamino)-1-naphthalenesulfonamide (DNSA) was used as starting reagent in the synthesis of 2,6-disubstituted pyridines, 6-substituted 2,2′-bipyridines and 6,6′-disubstituted 2,2′-bipyridines. It was also used as fluorescent probe in the determination of concentration of human carbonic anhydrase II-DNSA in solutions.

Packaging

1 g in glass bottle

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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