D0306
Sigma

DIPSO

SigmaUltra, pH 4.0-5.5 (20 °C, 0.1 M in H₂O), ≥98% (titration)

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Synonym

3-(N,N-Bis[2-hydroxyethyl]amino)-2-hydroxypropanesulfonic acid

N,N-Bis(2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonic acid

Molecular Formula

C₇H₁₇NO₆S

Molecular Weight

261.29

CAS Number

68399-80-4

Beilstein Registry Number

2105454

MDL number

MFCD00038353

PubChem Substance ID

24893226

EG/EC Number

269-992-2

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Descriptions

Legal Information

U.S. Patent No. 4,246,194

Properties

grade

SigmaUltra

assay

≥98% (titration)

total impurities

<0.0005% Phosphorus (P)

<0.1% Insoluble matter

ign. residue

<0.1%

4.0-5.5 (20 °C, 0.1 M in H₂O)

useful pH range

7.0 - 8.2

pKa (25 °C)

7.6

189-192 °C(lit.)

solubility

H₂O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): <0.05%

sulfate (SO₄^2-): <0.05%

cation traces

Al: <0.0005%

Ca: <0.0005%

Cu: <0.0005%

Fe: <0.0005%

K: <0.005%

Mg: <0.0005%

NH₄⁺: <0.05%

Na: <0.01%

Pb: <0.001%

Zn: <0.0005%

abs.

A0.1M/260, H₂O <0.025

A0.1M/280, H₂O <0.025

References

reference

FT-NMR 1 (1), 1435:A / RegBook 1 (1), 1061:I / Structure Index 1, 165:C:4

Safety

WGK Germany

Related Categories

... Biological Buffers > Buffers A to Z

... Biological Buffers > Good's Buffers

... Biological Buffers > SigmaUltra Buffers

FT-IR Raman

FT-NMR

MSDS

Certificate of Analysis

More Information

DIPSO

SigmaUltra, pH 4.0-5.5 (20 °C, 0.1 M in H2O), ≥98% (titration)

SigmaUltra, pH 4.0-5.5 (20 °C, 0.1 M in H₂O), ≥98% (titration)