Merck

Analytical Reagent

We offer analytical reagents for wet chemistry, chromatography, spectroscopy, analytical microbiology, microscopy, titration, water quality control, and electrochemistry. Our offering includes high-purity acids, bases, and solvents, and specialty reagents for a number of analytical applications, such as ionophores, Karl Fischer titration, and derivatization reagents. We offer a variety of purity grades, including ACS to high-purity reagents for ultra-trace analysis.

Chromatography & Spectroscopy Reagents
Chromatography & Spectroscopy Reagents

Explore our selection of high-quality analytical reagents for ion pair chromatography, derivatization, electrochemistry and spectroscopy.

Titration Reagents
Titration Reagents

Our broad range of volumetric solutions make titration results trustful. Sophisticated packaging like the Titripac® and 3S cap and innovative solutions to improve the titration process. Seamless data transfer via RFID tag is available with our SmartChemicals and 3S reagents.

Karl Fischer Reagents & Standards
Karl Fischer Reagents & Standards

The Aquastar® titrants and solvents for Karl Fischer titration ensure a rapid and highly accurate water determination in solids, liquids, and gases. Our Aquastar® product portfolio offers volumetric and coulometric Karl Fischer reagents and a range of water standards for titer determination, instrument checks, and verification of results.

Indicators
Indicators

Explore our wide selection of high-quality indicators for your different types of applications such as pH indicators, redox indicators, complex or metal indicators, and fluorescence indicators.

Acids
Acids

Explore a comprehensive range of acids offered under three portfolios for a variety of applications: Supelco® products for analytical chemistry, Sigma-Aldrich® materials for lab and production, SAFC® products for biopharmaceutical and pharmaceutical development and manufacturing.

Analytical Syringes
Analytical Syringes

We offer standard and high-quality Hamilton®, SGE, and VICI® Precision Sampling analytical gas and liquid syringes. Our brand selection gives you options based on the product offering, relevance to the application, instrument compatibility, and personal choice.

Analytical Vials
Analytical Vials

We offer a wide selection of autosampler and general-purpose vials, including septa, caps, accessories, amber and clear bottles, headspace vials, polypropylene and TPX vials, center drain vials, and silane-treated vials for special applications.

Caustic Alkalis & Bases
Caustic Alkalis & Bases

Our three portfolio brands offer caustic alkalis and bases to meet the various requirements of your specific applications. Supelco® products for analytical chemistry, Sigma-Aldrich® materials for lab and production, SAFC® products for biopharmaceutical and pharmaceutical development and manufacturing.

Colorimetric & Titrimetric Test Kits
Colorimetric & Titrimetric Test Kits

Colorimetric and titrimetric test kits with brilliant color cards allow easy and precise analysis for aquaculture, surface water and industrial water testing.

Karl Fischer Standards
Karl Fischer Standards

With Aquastar® reagents and standards, the water content of solids, liquids, and gases can be determined effortlessly with a high degree of accuracy. Purchase our range of Aquastar® water standards for both volumetric and coulometric titrations.

Metals
Metals

Choose from our wide selection of metals, metal salts, and metal oxides in various grades, ideal for a variety of applications in R&D, production, and quality control. We guarantee to deliver premium high purity and quality products, with excellent batch-to-batch consistency to achieve reproducible results.

pH Test Strips, pH Papers, Readers & Accessories
pH Test Strips, pH Papers, Readers & Accessories

MQuant® and Reflectoquant® pH indicator papers, kits, and non-bleeding pH strips make rapid pH measurement easier than ever.

Salts
Salts

Explore a comprehensive range of salts offered under three portfolios for a variety of applications: Supelco® for analytical methods and applications, Sigma-Aldrich® for classic research and production, and SAFC® for biopharmaceutical and pharmaceutical applications.

ReagentPlus solvent grade products
Solvents

Browse through our comprehensive range of solvents offered under three portfolio brands for your various applications: Supelco® for analytical methods, Sigma-Aldrich® for classic research and production, and SAFC® for biopharmaceutical and pharmaceutical applications. 

Spectroquant® Photometer
Spectroquant® Photometry Instruments, Kits, & Accessories

Spectroquant® instruments, software, accessories, and ready-to-use test kits through innovative solutions and start-to-finish quality assurance ensure precise and rapid results with the easy handling of the system.

Test Strips, Papers & Readers
Test Strips, Papers & Readers

Our selection of MQuant® and Reflectoquant® test strips includes a variety of test strips for fast, precise, and low-cost analysis in-the-field or on-site.