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T6541

TES

Name: TES
Brand: SIGMA

BioXtra, ≥99.5% (titration)

Synonym(s):

2-[(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]ethanesulfonic acid, N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid, TES free acid

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About This Item

Empirical Formula (Hill Notation):

C₆H₁₅NO₆S

CAS Number:

7365-44-8

Molecular Weight:

229.25

UNSPSC Code:

12161700

NACRES:

NA.25

PubChem Substance ID:

24900386

EC Number:

230-906-3

Beilstein/REAXYS Number:

1957061

MDL number:

MFCD00007532

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Properties

product line

BioXtra

assay

≥99.5% (titration)

form

powder

impurities

Insoluble matter, passes filter test

ign. residue (900°C)

≤0.1% (as SO₄)

loss

≤1% loss on drying, 110°C

pH

3.5-5.0 (20 °C, 1 M in H₂O)

useful pH range

6.8-8.2

pKa (25 °C)

7.5

mp

~225 °C (dec.)

solubility

H₂O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤0.005%, sulfate (SO₄^2-): ≤0.005%

cation traces

Al: ≤0.0005%, As: ≤0.0001%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: ≤0.001%, Cd: ≤0.0005%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.02%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Na: ≤0.01%, Ni: ≤0.0005%, Pb: ≤0.0005%, Sr: ≤0.0005%, Zn: ≤0.0005%

absorption

≤0.045 at 280 in H₂O at 1 M, ≤0.055 at 260 in H₂O at 1 M

SMILES string

OCC(CO)(CO)NCCS(O)(=O)=O

InChI

1S/C6H15NO6S/c8-3-6(4-9,5-10)7-1-2-14(11,12)13/h7-10H,1-5H2,(H,11,12,13)

InChI key

JOCBASBOOFNAJA-UHFFFAOYSA-N

Description

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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