Description
METHYLAMMONIUM IODIDE CH₃NH₃I 99% CAS 14965-49-2RESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
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EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Methylammonium iodide is strongly hygroscopic and light-sensitive, requiring storage under inert atmosphere in sealed, light-protected containers at room temperature. Moisture exposure causes irreversible deliquescence and hydrolysis, degrading precursor purity; handling must be performed within an inert-atmosphere glovebox with H₂O and O₂ below 1 ppm.
- Storage Atmosphere: Store sealed under inert atmosphere at room temperature, protected from light.
- Moisture Sensitivity: Exposure to atmospheric moisture causes deliquescence and hydrolysis, irreversibly altering precursor stoichiometry.
- Glovebox Requirement: Precursor solution preparation requires an inert-atmosphere glovebox with H₂O and O₂ below 1 ppm.
- Incompatible Materials: Do not store together with strong oxidizing agents or strong acids to prevent hazardous reactions.
- Immediate Transfer: Transfer to a desiccated, light-protected environment immediately upon receipt.
This procedure describes the safe handling of hygroscopic methylammonium iodide and preparation of precursor solutions under inert atmosphere. All steps must be performed in a glovebox with controlled moisture and oxygen levels to prevent degradation.
Required Equipment: Inert-atmosphere glovebox (H₂O < 1 ppm, O₂ < 1 ppm), Chemical-resistant gloves, Light-protective storage container or desiccator
- Review Safety Data Sheet
Consult the Safety Data Sheet for detailed safety and handling information before beginning work. - Transfer to Storage
Transfer the received material immediately to a desiccated, light-protected storage environment under inert atmosphere. - Don PPE and Enter Glovebox
Wear chemical-resistant gloves and handle all operations within an inert-atmosphere glovebox with H₂O and O₂ below 1 ppm. - Reseal Container After Use
Tighten the container cap immediately after each use to prevent moisture ingress. - Prepare Precursor Solution
Prepare precursor solutions by dissolving the crystalline solid in anhydrous solvents such as DMF or DMSO under inert conditions.
How does the >99% purity of methylammonium iodide influence the reproducibility of perovskite solar cell device performance?
The >99% purity minimizes extrinsic ionic defects in perovskite thin films, thereby supporting reproducible device performance across spin-coating, vacuum evaporation, and solution-based fabrication workflows. This reduces batch-to-batch variability in device efficiency.
What are the key compatibility considerations when using methylammonium iodide in mixed-cation mixed-halide perovskite formulations?
Methylammonium iodide has a defined molecular weight of 159.5 g/mol, which supports accurate molar calculations essential for precise stoichiometry in mixed-cation mixed-halide formulations. It is compatible with one-step spin-coating, two-step sequential deposition, vacuum thermal evaporation, and solution-based synthesis routes, making it suitable for bandgap engineering and compositional optimization studies.
What are the precise storage and handling conditions required to prevent degradation of methylammonium iodide?
Methylammonium iodide is strongly hygroscopic and light-sensitive, requiring storage in a light-protected, dry, sealed environment at room temperature. Upon receipt, it must be immediately transferred to a desiccated, light-protected storage environment. For precursor solution preparation, the material must be handled within an inert-atmosphere glovebox with H2O < 1 ppm and O2 < 1 ppm to prevent moisture-induced deliquescence and hydrolysis.
This 99% purity methylammonium iodide provides a reliable iodine source for MAPbI₃ and mixed-halide perovskite formulations, with broad solvent compatibility for flexible processing. However, its strongly hygroscopic and light-sensitive nature mandates strict inert-atmosphere glovebox handling and desiccated, light-protected storage to prevent irreversible degradation.
Positive
- Ultra-high purity >99%: Minimizes extrinsic ionic defects in perovskite thin films, supporting reproducible device performance across spin-coating, vacuum evaporation, and solution-based fabrication.
- Broad solvent compatibility: Freely soluble in water, DMF, and DMSO, with additional solubility in methanol and isopropanol, enabling flexible precursor formulation for diverse deposition protocols.
Trade-offs
- Strict moisture and light sensitivity: Strongly hygroscopic and light-sensitive; requires sealed, inert-atmosphere, light-protected storage at room temperature. Exposure to atmospheric moisture causes deliquescence and irreversible degradation of precursor stoichiometry.
- Inert-atmosphere glovebox required: Precursor solution preparation must be performed in an inert-atmosphere glovebox with H₂O < 1 ppm and O₂ < 1 ppm, adding infrastructure and handling expertise demands for laboratory deployment.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
