39068

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

≥97.5% (AT)

• Synonym(s): 4-(4-Dimethylaminophenylazo)benzenesulfonyl chloride, DABS-Cl, Dabsyl chloride
• Linear Formula: (CH₃)₂NC₆H₄N=NC₆H₄SO₂Cl
• CAS Number: 56512-49-3
• Molecular Weight: 323.80
• Beilstein: 3064095
• EC Number: 260-235-1
• MDL number: MFCD00007444
• UNSPSC Code: 12352200
• PubChem Substance ID: 329755819
• NACRES: NA.25

Properties

• Quality Level: 200
• 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

Description

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.

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H314
• Precautionary Statements: P280 - P305 + P351 + P338 - P310
• Hazard Classifications: Skin Corr. 1B
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves