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Home Automated Lab Reactors and In-Situ Analysis FTIR and Raman Spectrometers ReactIR

ReactIR In-Situ Reaction Analysis

Understand Reaction Kinetics, Mechanisms, and Pathways to Optimize Reaction Variables

ReactIR™ enables scientists to monitor reaction progression in situ and in real time, providing highly specific information about kinetics, mechanism, pathways, and the influence of reaction variables on performance.

Using ReactIR, directly track reactants, reagents, intermediates, products, and by-products as they change, in real time throughout the reaction. ReactIR provides critical information to scientists as they research, develop, and optimize chemical compounds, synthetic routes, and chemical processes.

Learn more about in-situ FTIR spectroscopy with ReactIR.

In-Situ FTIR Instruments for Stable, Scalable, Consistent Process Development

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ReactIR 702L

TE-Cooled MCT

Solid-state detector cooling delivers high performance without the need for liquid nitrogen.

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ReactIR 701L

Liquid Nitrogen MCT

High-sensitivity detector with >24 hour hold time for demanding applications.

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ReactIR 45P

Process FTIR

Transfer reaction understanding across scales, from the laboratory to classified plant areas.

Reaction Analysis Simplified

To understand chemical reactions, chemists must address the following:

  1. When does the reaction start? When does the reaction stop?
  2. What are the reaction kinetics and mechanisms?
  3. What is the effect of those transient intermediates?
  4. Did it react as expected? Did any by-products form and why?
  5. What happens if reaction temperature, dosing rates, and mixing rates change?

To get the best data and analyze reactions quickly, these are five key areas that ReactIR in-situ FTIR instruments leverage so that reaction understanding is available for every chemist — expert or not.

ReactIR ftir sampling technology

Broad Range of FTIR Probes and Flow Cells

ReactIR probes are designed to operate over a wide range of conditions to enable the analysis of virtually any type of chemistry

Probe- and flow-based sampling technologies enable you to study liquid phase chemistry in batch or continuous setups.

Learn more about DST Sampling Technology.

ReactIR FTIR Spectra

Best-In-Class Performance

From probe to detector to software, ReactIR spectrometers are optimized for use in the mid-infrared (Mid-IR) "fingerprint" region, resulting in a highly sensitive system for fast and accurate molecular information.

Follow the concentration of key reaction species as they change during the course of the reaction.

Online FTIR Analysis with ReactIR

Samples are often taken for offline analysis using HPLC to obtain reaction information. However, this procedure is not straightforward, especially for chemistries in which sample removal results in the loss of key information, toxic, or otherwise hazardous.

You must also be present to take the sample and then wait for the results before reaction analysis can begin, taking up valuable time.

These problems have implications, including:

  • Unrepresentative samples
  • Destruction of intermediates leading to incorrect pathways
  • Understanding of air-sensitive, toxic, explosive, or pressure systems
  • Increased development times due to erroneous data because the sample changed
  • Missing critical events that impact product or process quality

Inline FTIR analysis with ReactIR alleviates these issues and allows observation of intermediates that form in real time without disrupting the reaction.

ftir equipment

An Integrated Approach for Comprehensive Understanding and Control

ReactIR is part of an integrated family of products, which includes:

Designed specifically for chemical and process development, these tools are combined with the iC Software Suite to provide comprehensive process understanding and control and Scale-Up Suite to model and optimize processes.

Case Studies from Industry

Enhance Process Development in Flow Leveraging Inline DRE and Automation
How to Bring PAT Data from the Lab into the Plant for Verification and Analysis during Scale-up
Democratizing Process Analytical Technology to Enable Kinetic Analysis and Modeling
Development and Scale-up of Cryogenic Lithiation in Continuous Flow Reactors
Reaction Insight from Every Experiment

Reaction Insight from Every Experiment

This paper presents five examples taken from recent journal articles in which HPLC alone was not suf...

Reaction Analysis Guide

Real-Time Reaction Analysis Guide

This guide reviews the advantages and importance of PAT methods in developing reaction understanding...

ReactIR™ Spectroscopy in Peer-Reviewed Publications

ReactIR™ Spectroscopy in Peer-Reviewed Publications

This free Citation List presents an extensive list of peer-reviewed publications related to the use...

mechanism of crystallization

7 Key Crystallization Mechanisms

This free guide reviews seven hidden crystallization mechanisms that can influence your crystallizat...

ReactIR Brochure

Reaction Analysis and PAT Tools

Understand reaction chemistry with ReactIR In Situ FTIR spectroscopy

Monitoring of Reaction Mechanisms

Monitoring Reaction Mechanisms Inline

Data is collected in the mid-infrared spectral region, which provide a characteristic fingerprint a...

in situ monitoring of chemical reactions

In-Situ Monitoring of Chemical Reactions

In-situ reaction monitoring using spectroscopy enables scientists to see what is happening in their...

What types of FTIR probes do you offer?

Our DST Sampling Technology allows you to study chemistry under a wide variety of conditions. From low to high pressures and temperatures, and in almost every reaction condition, reactions, and processes can be studied in real time

  • ATR-FTIR fiber probes
  • Diamond ATR fiber
  • Silicon ATR fiber probes
  • Flow cells

Learn more about DST Sampling Technology.

In-Situ FTIR Spectroscopy in Peer-Reviewed Publications

Continuous measurements from infrared spectrometers are used for obtaining reaction profiles to calculate reaction rates. A list of publications from peer-reviewed journals focuses on exciting and novel applications of FTIR spectroscopy. Researchers in both academia and industry employ in-situ, mid-IR spectrometers to provide comprehensive information and rich experimental data to advance their research.

  1. Bass, T. M., Zell, D., Kelly, S. M., Malig, T. C., Napolitano, J. G., Sirois, L. E., Han, C., & Gosselin, F. (2024). Scalable Synthesis of 6-Chloro-1H-pyrazolo[3,4-b]pyrazine via a Continuous Flow Formylation/Hydrazine Cyclization Cascade. Organic Process Research & Development. https://doi.org/10.1021/acs.oprd.4c00047
  2. Dijkmans, J., Chau, J., Maes, T., Khamiakova, T., Laps, S., & Vandervoort, N. (2024). Generative PAT Fingerprint Approach for verification of the Scale-Up of pharmaceutical Processes. Organic Process Research & Development, 28(3), 770–779. https://doi.org/10.1021/acs.oprd.3c00500
  3. Fairlamb, I. J. S., & Lynam, J. M. (2024). Unveiling mechanistic complexity in Manganese-Catalyzed C–H bond functionalization using IR spectroscopy over 16 orders of magnitude in time. Accounts of Chemical Research, 57(6), 919–932. https://doi.org/10.1021/acs.accounts.3c00774
  4. He, Y., Hua, K., & Lu, Y. (2023). Alcoholysis of ethylene-vinyl acetate copolymer catalyzed by alkaline: A kinetic study based on in situ FTIR spectroscopy. Chemical Engineering Journal, 464, 142695. https://doi.org/10.1016/j.cej.2023.142695
  5. Ni, L., Yang, S., Qiu, W., Jin, J., Xu, Q., & Ye, S. (2023). Mechanism study of the N-butoxycarbonyl-2,5-dimethylpyrrole synthesis reaction based on in-situ FTIR monitoring. Vibrational Spectroscopy, 103558. https://doi.org/10.1016/j.vibspec.2023.103558
  6. Liu, J., Sato, Y., Yang, F., Kukor, A. J., & Hein, J. E. (2022). An Adaptive Auto‐Synthesizer using Online PAT Feedback to Flexibly Perform a Multistep Reaction. Chemistry Methods, 2(8). https://doi.org/10.1002/cmtd.202200009
  7. Naserifar, S., Kuijpers, P. F., Wojno, S., Kádár, R., Bernin, D., & Hasani, M. (2022). In situ monitoring of cellulose etherification in solution: probing the impact of solvent composition on the synthesis of 3-allyloxy-2-hydroxypropyl-cellulose in aqueous hydroxide systems. Polymer Chemistry, 13(28), 4111–4123. https://doi.org/10.1039/d2py00231k
  8. Talicska, C. N., O’Connell, E. C., Ward, H. W., Diaz, A., Hardink, M., Foley, D. P., Connolly, D., Girard, K. P., & Ljubicic, T. (2022). Process analytical technology (PAT): applications to flow processes for active pharmaceutical ingredient (API) development. Reaction Chemistry and Engineering, 7(6), 1419–1428. https://doi.org/10.1039/d2re00004k
  9. Wei, B., Sharland, J. C., Blackmond, D. G., Musaev, D. G., & Davies, H. M. L. (2022). In Situ Kinetic Studies of Rh(II)-Catalyzed C–H Functionalization to Achieve High Catalyst Turnover Numbers. ACS Catalysis, 12(21), 13400–13410. https://doi.org/10.1021/acscatal.2c04115
  10. Foth, P. J., Malig, T. C., Yu, H., Bolduc, T. G., Hein, J. E., & Sammis, G. M. (2020). Halide-Accelerated Acyl Fluoride Formation Using Sulfuryl Fluoride. Organic Letters, 22(16), 6682–6686. https://doi.org/10.1021/acs.orglett.0c02566
  11. Yang, L., Zhang, Y., Cheng, J., & Yang, C. (2019). Solubility and thermodynamics of polymorphic indomethacin in binary solvent mixtures. Journal of Molecular Liquids, 295, 111717. https://doi.org/10.1016/j.molliq.2019.111717
  12. Ye, J., Jiang, Y., Sheng, T., & Sun, S. (2016). In-situ FTIR spectroscopic studies of electrocatalytic reactions and processes. Nano Energy, 29, 414–427. https://doi.org/10.1016/j.nanoen.2016.06.023
  13. Doki, N., Seki, H., Takano, K., Asatani, H., Yokota, M., & Kubota, N. (2004). Process Control of Seeded Batch Cooling Crystallization of the Metastable α-Form Glycine Using an In-Situ ATR-FTIR Spectrometer and an In-Situ FBRM Particle Counter. Crystal Growth & Design, 4(5), 949–953. https://doi.org/10.1021/cg030070s