Description

Mes Monohydrate is a high-purity biochemical buffer salt essential for maintaining stable pH conditions in sensitive biological and chemical systems. Its primary value lies in its excellent buffering capacity in the physiological pH range, making it a critical reagent for research and industrial processes requiring precise environmental control. This product is indispensable for professionals in pharmaceutical development, molecular biology, diagnostic kit manufacturing, and biochemical research.

Application

• Biochemical & Molecular Biology Research: As a key component in electrophoresis buffers (e.g., SDS-PAGE, Western blotting) and cell culture media to maintain physiological pH.
• Pharmaceutical Formulation: Used as a buffering agent in the development and production of injectable drugs, vaccines, and diagnostic reagents.
• Diagnostic Manufacturing: Provides stable pH for enzyme reactions and antigen-antibody binding in clinical diagnostic kits and strips.
• Protein Purification & Analysis: Serves as a buffer in chromatography (e.g., FPLC, HPLC) and protein crystallization processes.
• Enzyme Assays & Kinetics: Creates optimal and consistent pH environments for studying enzyme activity and stability.
• Industrial Biotechnology: Used in fermentation processes and downstream purification in biomanufacturing.

Basic Information

Product Name	Mes Monohydrate
CAS No.	145224-94-8
Molecular Formula	C6H13NO4S • H2O
Molecular Weight	213.24 g/mol
Synonyms	2-(N-Morpholino)ethanesulfonic Acid Monohydrate; MES Monohydrate; 4-Morpholineethanesulfonic Acid Monohydrate; MES Buffer Monohydrate; 2-Morpholinoethanesulfonic Acid Monohydrate; Good's Buffer MES Monohydrate; MES Hydrate
EINECS	Contact for details

Quality Control

Our Mes Monohydrate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
pH (1% Solution)	2.5 - 4.0
Loss on Drying	7.0 - 9.0 %
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1 %
UV Absorbance (260 nm)	≤ 0.05

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