Description

2-(n-Morpholino)Ethanesulfonic Acid Potassium Salt is a high-purity biochemical buffer salt, essential for maintaining precise pH stability in sensitive biological and chemical systems. Its primary value lies in providing superior buffering capacity in the physiological pH range, crucial for experimental reproducibility and product consistency. This product is a critical reagent for researchers and manufacturers in pharmaceutical development, molecular biology, and diagnostic kit formulation, where controlled ionic strength and minimal interference are paramount.

Application

• Biochemical & Molecular Biology Research: As a key component in cell culture media, electrophoresis buffers, and enzyme reaction mixtures.
• Pharmaceutical Manufacturing: Used in the formulation and purification processes of biologics, vaccines, and other sensitive therapeutic agents.
• Diagnostic Reagents: Serves as a stable buffering agent in the production of clinical diagnostic kits and assays.
• Protein Chemistry: Employed in protein purification, crystallization, and stability studies due to its minimal metal chelating properties.
• Electrophoresis: A standard buffer salt for SDS-PAGE and other gel-based separation techniques.
• Biocatalyst & Fermentation: Provides pH control in enzymatic synthesis and microbial fermentation processes.

Basic Information

Product Name	2-(n-Morpholino)Ethanesulfonic Acid Potassium Salt
CAS No.	39946-25-3
Molecular Formula	C6H12KNO4S
Molecular Weight	233.32 g/mol
Synonyms	MES Potassium Salt; Potassium MES; 2-(N-Morpholino)ethanesulfonic Acid Potassium Salt; 4-Morpholineethanesulfonic Acid Potassium Salt; MES Monopotassium Salt; Potassium 2-(4-Morpholino)ethanesulfonate; Potassium 4-Morpholinepropanesulfonate; MES, K salt
EINECS	254-704-3

Quality Control

Our 2-(n-Morpholino)Ethanesulfonic Acid Potassium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity, ICP-MS for heavy metals, and stringent endotoxin testing where applicable. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications to ensure compliance with your research or production requirements. Our quality commitment supports applications demanding high purity and lot-to-lot consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent absorption of atmospheric moisture, which can affect purity and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
pH (1% Solution)	5.5 - 6.5
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 10 ppm
Endotoxin (where specified)	< 0.1 EU/mg
Solubility (in Water)	Clear, colorless solution

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.