N- (2-acetylamino) - 2-aminoethanesulfonic acid /n-carbamoyl methylethanesulfonic acid /ACES

English name：ACES；N-(2-Acetamido)-2-aminoethanesulfonic acid；2-[(2-Amino-2-oxoethyl)amino]ethanesulfonic acid

Other names: N-carbamoyl methylethanesulfonic acid

CAS No.: 7365-82-4

C4H10N2O4S=182.2

Grade: br

Content: ≥ 99.0%

Water solubility (5% aqueous solution): acceptable

Heavy metals: ≤ 5ppm

UV absorbance /260nm (5% aqueous solution): ≤ 0.1

UV absorbance /280nm (5% aqueous solution): ≤ 0.5

Moisture: ≤ 0.5%

Physicochemical properties: white crystalline powder. PH（1%aq.）3.6-4.4； Pka6.8 (25 ℃), melting point 293 ℃

Purpose: biochemical research. Biological buffer, aces is an amphoteric buffer, and the saturated solution is 0.22m (0 ℃). Aces binds cu2+, but cannot bind mg2+, ca2+ or Mn2+

Save: RT