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2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid

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2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid Basic information

Product Name:
2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid
Synonyms:
  • N-[2-HYDROXY-1,1-BIS(HYDROXYMETHYL)ETHYL]TAURINE
  • N-TRIS(HYDROXYMETHYL)METHYL-2-AMINO-ETHANESULPHONIC ACID
  • N-TRIS(HYDROXYMETHYL)METHYL-2-AMINOETHANESULFONIC ACID
  • 2-[TRIS(HYDROXYMETHYL)METHYL]-2-AMINOETHANE SULFONIC ACID
  • 2-[TRIS(HYDROXYMETHYL)METHYLAMINO]-1-ETHANESULFONIC ACID
  • 2-[[TRIS(HYDROXYMETHYL)METHYL]AMINO]ETHANESULFONIC ACID
  • 2-([2-HYDROXY-1,1-BIS(HYDROXYMETHYL)ETHYL]AMINO)ETHANESULFONIC ACID
  • TES free acid
CAS:
7365-44-8
MF:
C6H15NO6S
MW:
229.25
EINECS:
230-906-3
Product Categories:
  • Biochemistry
  • Good's Buffers
  • Buffer
Mol File:
7365-44-8.mol
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2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid Chemical Properties

Melting point:
~225 °C (dec.)
Density 
1.260 (estimate)
refractive index 
1.5500 (estimate)
storage temp. 
Store at RT.
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
Crystalline Powder
color 
White
Odor
Odorless
PH
3.5-5.0 (25℃, 1M in H2O)
PH Range
6.8 - 8.2
pka
7.5(at 25℃)
Water Solubility 
SOLUBLE
λmax
λ: 260 nm Amax: 0.055
λ: 280 nm Amax: 0.045
Merck 
14,9176
BRN 
1957061
InChIKey
JOCBASBOOFNAJA-UHFFFAOYSA-N
CAS DataBase Reference
7365-44-8(CAS DataBase Reference)
EPA Substance Registry System
Ethanesulfonic acid, 2-[[2-hydroxy-1,1-bis(hydroxymethyl)ethyl]amino]- (7365-44-8)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
22-24/25-36-26
WGK Germany 
1
TSCA 
Yes
HS Code 
29221980

MSDS

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2-[Tris(hydroxymethyl)methylamino]-1-ethanesulfonic acid Usage And Synthesis

Chemical Properties

White/clear crystalline powder

Uses

A structural analog to Tris buffer.

Uses

Biological buffer.

Purification Methods

Crystallise the acid from hot EtOH containing a little water.

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