MOPS Hemisodium Salt丨CAS 117961-20-3

Product Introduction:

Catalog No.: SS131779
CAS No.: 117961-20-3
Assay(Titration, Dry basis): 99% min
Product Name: MOPS hemisodium salt
Molecular Formula: C7H14NNaO4S.C7H15NO4S
Molecular Weight: 440.51
Synonym(s): 3-(N-Morpholino)propanesulfonic acid hemisodium salt

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Technical Parameters

Description

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Specifications

Appearance	White Powder
Assay (Titration, Dry basis)	99% min
Water Content	3.0% max
Infrared	Complies
pH (1% Di H₂O, 25°C)	6.7 to 7.3
Solubility (0.1M in water)	Clear, Colorless Solution
A280 (0.1M in water)	0.050 max
A260 (0.1M in water)	0.050 max
Lead (Pb)	5 ppm max

Applications

1. Biological and Biochemical Buffer

MOPS hemisodium salt serves as an effective Good's buffer for stabilizing pH in biological and biochemical experiments near neutral pH.

Commonly used in:

Cell culture media

Enzyme assays

Protein purification

Molecular biology protocols including electrophoresis

2. Pharmaceutical and Diagnostic Formulations

Utilized in pharmaceutical preparations and diagnostic reagents requiring tight pH control around neutrality.

3. Research and Industrial Applications

Used for pH stabilization in biochemical studies and industrial bioprocesses where precise pH maintenance is critical.

Benefits

✅ Optimal Buffering Near Neutral pH

Provides effective pH control around physiological pH with minimal fluctuations.

✅ Low Metal Ion Binding

Exhibits minimal interaction with divalent metal ions, preserving enzymatic activity and cofactor availability.

✅ High Water Solubility

Easily dissolves in water, allowing convenient and reproducible buffer preparation.

✅ Chemical Stability

Stable under laboratory and industrial conditions, ensuring consistent experimental results.

✅ Low UV Absorbance

Compatible with UV spectrophotometry, minimizing interference in assays involving nucleic acids or proteins.

Conclusion

MOPS hemisodium salt (CAS 117961-20-3) is a valuable buffering agent for maintaining stable pH near neutrality in biochemical, pharmaceutical, and molecular biology applications. Its solubility, stability, and low interference with biological molecules make it a reliable choice for researchers and industry professionals requiring precise pH control.