39068
4-(Dimethylamino)azobenzene-4′-sulfonyl chloride
≥97.5% (AT)
Synonym(s):
4-(4-Dimethylaminophenylazo)benzenesulfonyl chloride, DABS-Cl, Dabsyl chloride
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About This Item
Linear Formula:
(CH3)2NC6H4N=NC6H4SO2Cl
CAS Number:
Molecular Weight:
323.80
UNSPSC Code:
12352200
NACRES:
NA.25
PubChem Substance ID:
EC Number:
260-235-1
Beilstein/REAXYS Number:
3064095
MDL number:
Assay:
≥97.5% (AT)
Quality Segment
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
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.
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signalword
Danger
hcodes
Hazard Classifications
Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk
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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