What is the IR spectrum of the chemical with CAS:71 - 36 - 3?

Oct 14, 2025Leave a message

The chemical with CAS: 71 - 36 - 3 is 1 - Propanol. As a dedicated supplier of 1 - Propanol, I'm excited to share in - depth knowledge about its infrared (IR) spectrum, which can be a valuable tool for understanding the chemical's structure and properties.

Understanding Infrared Spectroscopy

Infrared spectroscopy is a powerful analytical technique that exploits the interaction between infrared light and molecules. When infrared radiation passes through a sample, certain frequencies are absorbed by the sample's molecules. These absorptions occur because the energy of the infrared photons matches the energy required to excite the vibrational modes of the chemical bonds within the molecules. By measuring the absorption of infrared light at different frequencies, we can obtain an infrared spectrum, which serves as a unique fingerprint for the chemical compound.

Key Features of the IR Spectrum of 1 - Propanol

  1. O - H Stretch:
    • One of the most prominent features in the IR spectrum of 1 - Propanol is the broad absorption band in the range of 3200 - 3600 (cm^{-1}). This band is due to the stretching vibration of the O - H bond in the alcohol functional group. The broadness of the band is a result of hydrogen bonding. In 1 - Propanol, the hydroxyl group (-OH) can form hydrogen bonds with other 1 - Propanol molecules. Hydrogen bonding causes a range of O - H bond strengths, leading to a broad absorption rather than a sharp peak.
  2. C - H Stretches:
    • There are several absorption peaks related to C - H stretching vibrations. Aliphatic C - H bonds show absorption in the region of 2850 - 3000 (cm^{-1}). In 1 - Propanol, the (CH_3) and (CH_2) groups contribute to these absorptions. The (CH_3) group typically has two characteristic C - H stretching peaks: a symmetric stretch around 2870 (cm^{-1}) and an asymmetric stretch around 2960 (cm^{-1}). The (CH_2) group has a symmetric stretch around 2850 (cm^{-1}) and an asymmetric stretch around 2920 (cm^{-1}).
  3. C - O Stretch:
    • The C - O bond in the alcohol functional group of 1 - Propanol gives rise to an absorption peak in the range of 1050 - 1200 (cm^{-1}). For primary alcohols like 1 - Propanol, the C - O stretch usually appears around 1050 - 1100 (cm^{-1}). This peak is important for confirming the presence of the alcohol functional group in the molecule.
  4. C - C Stretches and Bending Vibrations:
    • There are also various absorptions related to C - C stretching and bending vibrations in the lower - frequency regions of the spectrum. These absorptions are more complex and less diagnostic compared to the O - H, C - H, and C - O stretches. However, they can still provide additional information about the overall molecular structure of 1 - Propanol.

Applications of the IR Spectrum of 1 - Propanol

  1. Quality Control:
    • For us as a supplier of 1 - Propanol, the IR spectrum is an essential tool for quality control. By comparing the IR spectrum of a batch of 1 - Propanol with a reference spectrum of pure 1 - Propanol, we can quickly identify any impurities. For example, if there are unexpected peaks in the spectrum, it may indicate the presence of other chemicals in the sample.
  2. Research and Development:
    • In research, the IR spectrum of 1 - Propanol can be used to study its chemical reactions. When 1 - Propanol participates in a reaction, changes in the IR spectrum can reveal the formation or disappearance of functional groups. This information is crucial for understanding reaction mechanisms and optimizing reaction conditions.
  3. Safety and Regulatory Compliance:
    • The IR spectrum can also be used to ensure that the 1 - Propanol we supply meets safety and regulatory standards. Some regulations require strict control of the purity of chemicals, and the IR spectrum can help us verify that our product meets these requirements.

Related Products from Our Portfolio

In addition to 1 - Propanol, we also offer a range of other high - quality chemicals. For example, we have Methanol – Pharmaceutical Grade For API And Intermediate Synthesis, which is suitable for use in the pharmaceutical industry for the synthesis of active pharmaceutical ingredients (APIs) and intermediates. Our Methanol – Pesticide Grade For Agrochemical Intermediates is specifically formulated for use in the production of agrochemical intermediates. And for laboratory and research purposes, we provide Glycerol – Analytical Grade For Laboratory And Research Use.

Why Choose Our 1 - Propanol?

  1. High Purity:
    • We ensure that our 1 - Propanol has a high level of purity. Through strict quality control measures, including IR spectroscopy analysis, we can guarantee that our product meets the highest industry standards.
  2. Reliable Supply:
    • As an established supplier, we have a reliable supply chain. We can provide 1 - Propanol in various quantities to meet the diverse needs of our customers, whether it's for small - scale research projects or large - scale industrial production.
  3. Technical Support:
    • Our team of experts is always ready to provide technical support. If you have any questions about the properties, handling, or applications of 1 - Propanol, we can offer professional advice based on our in - depth knowledge and experience.

Contact Us for Procurement

If you are interested in purchasing 1 - Propanol or any of our other products, we encourage you to contact us for procurement discussions. Our product quality and service are designed to meet your specific requirements. Whether you are in the pharmaceutical, agrochemical, or research industry, we have the right solutions for you.

Methanol – Pesticide Grade For Agrochemical IntermediatesGlycerol – Analytical Grade For Laboratory And Research Use

References

  1. Silverstein, R. M., Webster, F. X., & Kiemle, D. J. (2014). Spectrometric Identification of Organic Compounds. Wiley.
  2. Pavia, D. L., Lampman, G. M., Kriz, G. S., & Vyvyan, J. R. (2015). Introduction to Spectroscopy: A Guide for Students of Organic Chemistry. Cengage Learning.