TES CAS No: 7365-44-8

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Description

CAS Registry Number
7365-44-8
Name TES
Synonyms N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid, TES free acid, 2-[(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]ethanesulfonic acid
Molecular Formula C6H15NO6S
Molecular Weight 229.25
Molecular Structure

Specification

 

Test T1103, Ultra Pure T1105, Ultra BioPure
Price
Appearance White crystalline powder White crystalline powder
Assay (by titration, on dried basis) ≥ 98.0% ≥ 98.0%
Solubility (0.1M solution in H2O) Clear, complete and colorless Clear, complete and colorless
Identification (by IR) Conforms to structure Conforms to structure
Melting Point ≤ 218ºC ≤ 218ºC
Water (KF) ≤ 1.0% ≤ 1.0%
pH (0.1M solution in water) 4.2 – 4.8 4.2 – 4.8
pKa (@ 20ºC) 7.2 – 7.6 7.2 – 7.6
UV Absorption (0.1M @260nm) ≤ 0.10 ≤ 0.10
Heavy Metals (Lead) ≤ 0.0005% ≤ 0.0005%
Biological Impurity Testing
Test T1103, Ultra Pure T1105, Ultra BioPure
Endotoxin (0.1% solution in H2O) ≤ 0.10 EU/mL
Bioburden ≤ 100 CFU/g
RNase, DNase, Nickase, Protease Non detected
Specification Sheet
Specification Sheet TES Spec TES Spec

MSDS

MSDS
Material Safety Data Sheet

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MSDS

Material Safety Data Sheet