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TAPS is a zwitterionic buffer used with a useful pH range of 7.7-9.1 in biochemistry and molecular biology. TAPS is utilized in capillary electrophoresis of such materials as DNA and DNA-dye complexes. Dyes have been separated by planar chromatography with electroosmotic flow with 1 mM TAPS in the mobile phase. The stability constants of metal ions with TAPS have been investigated by capillary electrophoresis.pKa=8.4 at 25°C.

Additional Information

Synonyms	Tris(hydroxymethyl)-3-aminopropanesulfonic acid
Product #	T-2405
CAS #	29915-38-6
Chemical Name	3-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}propane-1-sulfonic acid
Formula	C7H17NO6S
MW	243.3
Appearance	White Powder
Purity	≥99.5%
Solubility	Clear colorless solution (25g in 50ml of water)
Melting Point	230-235 °C
Storage Temp	Room Temp
Use	A zwitterionic buffer that has a useful pH range of 7.7 - 9.1

Additional Information

MDL Number	MFCD00007538
ChemACX	X1010066-2
InChI	InChI=1S/C7H17NO6S/c9-4-7(5-10,6-11)8-2-1-3-15(12,13)14/h8-11H,1-6H2,(H,12,13,14)
SMILES	C(CNC(CO)(CO)CO)CS(=O)(=O)O