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MOPS, Free Acid, Molecular Biology Grade

CAS 1132-61-2 is a zwitterionic buffer useful in the pH range of 6.5-7.9. Has a pKa of 7.20 at 25°C.

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Synonym(s):
MOPS, Free Acid, Molecular Biology Grade, 3-(N-Morpholino)propanesulfonic Acid
Empirical Formula (Hill Notation):
C7H15NO4S
CAS Number:
Molecular Weight:
209.26
MDL number:

grade

Molecular Biology

Quality Level

Assay

≥99% (potentiometry)

form

crystalline solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white

pKa (20 °C)

7.2

solubility

water: soluble

cation traces

heavy metals (as Pb): ≤0.0005%

absorption

≤0.05 at 260 nm
≤0.05 at 280 nm

foreign activity

DNases, proteases, RNases, none detected

shipped in

ambient

storage temp.

15-25°C

InChI

1S/C7H15NO4S/c9-13(10,11)7-1-2-8-3-5-12-6-4-8/h1-7H2,(H,9,10,11)

InChI key

DVLFYONBTKHTER-UHFFFAOYSA-N

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This Item
475893239782475898
MES ULTROL® Grade, ≥99% dry basis (titration), zwitterionic buffer useful in pH range 5.5-6.5

Millipore

475893

MES

CAPS ULTROL® Grade, ≥99% (HPLC), zwitterionic buffer useful in pH range 7.9-11.1

Millipore

239782

CAPS

MOPS ULTROL® Grade, ≥99% (titration), zwitterionic buffer useful in pH range 6.5-7.9

Millipore

475898

MOPS

assay

≥99% (potentiometry)

assay

≥99% dry basis (titration)

assay

≥99% (HPLC)

assay

≥99% (titration)

form

crystalline solid

form

crystalline solid

form

solid

form

solid

storage condition

OK to freeze

storage condition

OK to freeze, desiccated (hygroscopic)

storage condition

OK to freeze

storage condition

OK to freeze

color

white

color

white

color

white

color

white

pKa (20 °C)

7.2

pKa (20 °C)

6.2

pKa (20 °C)

10.4

pKa (20 °C)

7.2

General description

A zwitterionic buffer active in the pH range of 6.5-8.0(absorbance: ≤0.05 at 260 nm and 280 nm). Has a pKa of 7.2 at 20°C.
A zwitterionic buffer useful in the pH range of 6.5-7.9. Has a pKa of 7.20 at 25°C.

Warning

Toxicity: Standard Handling (A)

Legal Information

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup


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