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Merck

39068

Sigma-Aldrich

4-(Dimethylamino)azobenzene-4′-sulfonyl chloride

≥97.5% (AT)

Sinónimos:

4-(4-Dimethylaminophenylazo)benzenesulfonyl chloride, DABS-Cl, Dabsyl chloride

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About This Item

Fórmula lineal:
(CH3)2NC6H4N=NC6H4SO2Cl
Número de CAS:
Peso molecular:
323.80
Beilstein/REAXYS Number:
3064095
EC Number:
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.25

Quality Level

assay

≥97.5% (AT)

mp

185 °C (dec.) (lit.)

solubility

DMF: soluble
acetonitrile: soluble

SMILES string

CN(C)c1ccc(cc1)\N=N\c2ccc(cc2)S(Cl)(=O)=O

InChI

1S/C14H14ClN3O2S/c1-18(2)13-7-3-11(4-8-13)16-17-12-5-9-14(10-6-12)21(15,19)20/h3-10H,1-2H3/b17-16+

InChI key

VTVWTPGLLAELLI-WUKNDPDISA-N

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General description

Dabsyl chloride (4-dimethylaminoazobenzene-4′-sulfonyl chloride) is a chromophoric labeling reagent used in HPLC for derivatizing amino acids. It reacts freely with all amino acids in order to form dabsyl amino acids, which are photostable and can be seen on a thin-layer chromatographic plate.

Application

For the qualitative and quantitative identification of amino acids and for the determination of N-terminal amino acids. Used in the determination of primary and secondary amines by HPLC.

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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Chromophoric labeling of amino acids with 4-dimethylaminoazobenzene-4'-sulfonyl chloride.
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