Milli-Q

Milli-Q is a globally recognized brand within the life science business of Merck KGaA, Darmstadt, Germany (operating as MilliporeSigma in the US and Canada), dedicated to providing ultrapure water purification systems for laboratory use. Since its launch in 1966, Milli-Q has set the industry benchmark for water quality, enabling scientists to obtain consistent, high-purity water for analytical, molecular biology, microbiology, and cell culture applications.

Designed to meet the stringent demands of modern laboratories, Milli-Q systems integrate advanced purification technologies, real-time monitoring, and ergonomic dispensing to deliver water of reproducible quality. The brand also emphasizes sustainability, with solutions that reduce waste, optimize energy consumption, and extend consumable lifetimes.

Core Product Categories

1. Ultrapure Water Systems

   • Milli-Q® IQ 7000 and Milli-Q® IX series for Type 1 and Type 2 ultrapure water

   • Q-POD® and E-POD® dispensers for flexible and precise delivery

   • Modular systems to adapt to laboratory layout and workflow

2. Purification Technologies & Cartridges

   • Reverse osmosis (RO), electrodeionization (EDI), and ion exchange resins

   • UV oxidation modules for organic contaminant removal

   • 0.22 µm final filters for bacterial and particulate control

3. Specialized Water Solutions

   • Elix® systems for large-volume Type 2 water production

   • Synergy® and Direct-Q® systems for small labs and point-of-use needs

   • BioPak® cartridges for endotoxin- and nuclease-free water for molecular biology

4. Monitoring & Quality Assurance

   • Real-time resistivity and total organic carbon (TOC) monitoring

   • Onboard data logging and compliance reporting

   • Remote monitoring capabilities for laboratory networks

5. Consumables & Accessories

   • Replacement cartridges, UV lamps, and filters

   • Wall mounts, additional dispensers, and storage tanks

   • Maintenance kits for system optimization and longevity

In addition to Milli-Q, Merck’s major life science brands include Sigma-Aldrich (chemicals and reagents), Millipore (filtration and purification), SAFC (biopharmaceutical raw materials), and Supelco (analytical products).

You can browse our main Merck product collections below, and if you are interested in other Merck products not listed, please contact us for a quotation.