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475894

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MES sodium salt

ULTROL® Grade, ≥99% dry basis (titration), zwitterionic buffer useful in pH range 5.5-6.7

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Synonym(s):
MES, Sodium Salt, ULTROL® Grade, 2-(N-Morpholino)ethanesulfonic Acid, Na
Empirical Formula (Hill Notation):
C6H12NO4S · Na
CAS Number:
Molecular Weight:
217.22
MDL number:

Quality Level

Assay

≥99% dry basis (titration)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white

pKa (20 °C)

6.2

solubility

water: 5 mg/mL

cation traces

heavy metals: ≤1 ppm

shipped in

ambient

storage temp.

15-25°C

InChI

1S/C6H13NO4S.Na/c8-12(9,10)6-3-7-1-4-11-5-2-7;/h1-6H2,(H,8,9,10);/q;+1/p-1

InChI key

IRHWMYKYLWNHTL-UHFFFAOYSA-M

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This Item
M3885475893391333
MES sodium salt ULTROL® Grade, ≥99% dry basis (titration), zwitterionic buffer useful in pH range 5.5-6.7

Millipore

475894

MES sodium salt

MES sodium salt ≥99% (titration)

Sigma-Aldrich

M3885

MES sodium salt

MES ULTROL® Grade, ≥99% dry basis (titration), zwitterionic buffer useful in pH range 5.5-6.5

Millipore

475893

MES

HEPES sodium salt ULTROL® Grade, ≥99% dry basis (titration), zwitterionic N-substituted aminosulfonic acid buffer

Millipore

391333

HEPES sodium salt

form

solid

form

crystalline powder

form

crystalline solid

form

solid

storage condition

OK to freeze

storage condition

-

storage condition

OK to freeze, desiccated (hygroscopic)

storage condition

OK to freeze, desiccated (hygroscopic)

color

white

color

-

color

white

color

white

pKa (20 °C)

6.2

pKa (20 °C)

-

pKa (20 °C)

6.2

pKa (20 °C)

7.6

solubility

water: 5 mg/mL

solubility

water: 0.5 g/mL, clear, colorless

solubility

water: 1.0 M (195.2 mg/ml)

solubility

water: 1.0 M

General description

A zwitterionic buffer useful in the pH range of 5.5-6.5 (absorbance: <0.05 at 260 nm, 100 mM, H2O; pKa: 6.2 at 20°C).
A zwitterionic buffer useful in the pH range of 5.5-6.7. Has a pKa of 6.10 at 25°C.
Absorbance (100 mM, H2O, 260 nM):≤0.05.

Warning

Toxicity: Standard Handling (A)

Reconstitution

Following reconstitution, store in the refrigerator (4°C). Stock solutions are stable for up to 2 weeks at 4°C.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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