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N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium salt Structure

N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium salt

Chemical Properties

storage temp.  Sealed in dry,Room Temperature
solubility  H2O: 0.35 g/mL, clear, colorless
form  Powder
color  White to Almost white
pka 7.5(at 25℃)
PH Range 6.8 - 8.2
Water Solubility  Soluble in water (350 g/L) at 20°C, and methanol(very faint turbidity).
CAS DataBase Reference 70331-82-7(CAS DataBase Reference)
EPA Substance Registry System Ethanesulfonic acid, 2-[[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]amino]-, monosodium salt (70331-82-7)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H302-H315-H319-H335
Precautionary statements P261-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-24/25
WGK Germany  3
TSCA  Yes
HS Code  29221990

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