Isobutyryl Chloride Uses Properties and Applications
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Why Isobutyryl Chloride Is a Critical Chemical Intermediate
Isobutyryl chloride is one of the most versatile acylating agents used across the pharmaceutical, agrochemical, and specialty chemical industries today. Known by its CAS number 79-30-1, this aliphatic acid chloride plays a central role in building complex molecules that form the backbone of modern medicines, crop protection formulas, and high-performance polymers. If your business depends on reliable chemical intermediates, understanding isobutyryl chloride uses is the first step toward smarter sourcing.
Many procurement teams struggle with a common problem. They need a dependable supply of high-purity acid chlorides, but they often face inconsistent quality, delayed shipments, or suppliers who lack proper safety documentation. This gap between demand and reliable supply creates costly production delays and quality risks.
This guide breaks down everything you need to know about isobutyryl chloride. From its core chemical properties to its real-world applications and practical tips for choosing the right supplier, this article is your complete resource for informed decision-making.
Key Physical and Chemical Properties of Isobutyryl Chloride
Before sourcing any chemical intermediate, buyers need to understand its physical and chemical profile. Isobutyryl chloride properties make it ideal for controlled acylation reactions in both laboratory and industrial settings.
| Property | Value |
| Chemical Name | Isobutyryl Chloride (2-Methylpropanoyl Chloride) |
| CAS Number | 79-30-1 |
| Molecular Formula | C₄H₇ClO |
| Molecular Weight | 106.55 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Boiling Point | 92°C |
| Density | 1.017 g/mL at 25°C |
| Flash Point | 19°C |
| Solubility | Reacts with water; miscible with organic solvents |
| Purity (Industrial Grade) | 98% minimum |
One critical detail about isobutyryl chloride properties is its high moisture sensitivity. Contact with water causes rapid hydrolysis, releasing hydrochloric acid fumes. This means proper storage in airtight, corrosion-resistant containers is absolutely essential for maintaining product integrity.
Top Industrial Applications of Isobutyryl Chloride
The real value of isobutyryl chloride lies in its wide range of industrial applications. Here is how different industries rely on this versatile intermediate.
Pharmaceutical Drug Synthesis
The pharmaceutical sector is the single largest consumer of isobutyryl chloride, accounting for nearly 48 percent of its global market share. It serves as a powerful acylating agent for preparing esters, amides, and ketones that form the core structure of many active pharmaceutical ingredients.- Used in the synthesis of ibuprofen and related anti-inflammatory drugs
- Key intermediate for producing antibiotics and local anesthetics
- Helps build heterocyclic drug molecules through Friedel-Crafts acylation
- Supports the production of cardiovascular and CNS medications
Agrochemical Formulations
In the agrochemical industry, isobutyryl chloride applications include the synthesis of herbicides, insecticides, and plant growth regulators. Its ability to introduce the isobutyryl group into active molecules makes it indispensable for developing next-generation crop protection products.Polymers and Specialty Chemicals
Polymer manufacturers use isobutyryl chloride to modify resin properties and create specialty coatings. It also finds use in flavoring agents, fragrances, and dye intermediates, making it a truly cross-industry chemical building block.Common Problems Buyers Face When Sourcing Acid Chlorides
Sourcing acid chlorides like isobutyryl chloride comes with its own set of challenges. Here are the most common problems industrial buyers encounter.
- Inconsistent purity levels that affect downstream reaction yields
- Moisture contamination during transport due to poor packaging
- Suppliers unable to provide proper Certificate of Analysis and MSDS
- Unreliable delivery schedules that disrupt production timelines
- Limited technical support for handling and storage guidance
The solution is straightforward. Partner with an established manufacturer who has dedicated production lines for acid chlorides, in-house quality testing, and documented batch traceability. This eliminates guesswork and protects your production from costly disruptions.
How to Choose a Reliable Isobutyryl Chloride Manufacturer
Selecting the right isobutyryl chloride manufacturer in India requires evaluating several key factors beyond just price.
Quality Certifications and Testing
Look for manufacturers that follow ICH Q7 guidelines and provide detailed COA with each batch. In-house GC and titration testing ensures that you receive material meeting your exact specifications.Production Capacity and Consistency
A manufacturer with dedicated acid chloride production facilities can guarantee consistent supply even during peak demand periods. Ask about their annual production capacity and inventory management systems.Packaging and Safe Logistics
Since isobutyryl chloride is classified as a hazardous material under international shipping regulations, your supplier must use proper HDPE drums or IBCs with nitrogen blanketing to prevent moisture ingress during transit.Technical Support and Documentation
The best manufacturers provide comprehensive technical documentation including MSDS, TDS, and application notes. They also offer dedicated technical support for handling, storage, and process optimization.Conclusion
Isobutyryl chloride is far more than just another chemical on your procurement list. Its unique properties and wide-ranging applications make it a cornerstone intermediate for pharmaceutical, agrochemical, and specialty chemical manufacturing. By understanding its uses and choosing a reliable manufacturing partner, you can secure consistent quality, reduce supply chain risks, and keep your production running smoothly.
Shital Chemical Industries is a trusted manufacturer and supplier of isobutyryl chloride and other acid chlorides from Gujarat, India. With dedicated production lines, rigorous quality testing, and reliable global logistics, we deliver the purity and consistency your processes demand. Contact us today for a quote and technical data sheet.
Frequently Asked Questions
What is isobutyryl chloride used for in the pharmaceutical industry?
Isobutyryl chloride is used as an acylating agent to synthesize active pharmaceutical ingredients including ibuprofen, antibiotics, and local anesthetics. It helps build ester, amide, and ketone functional groups in drug molecules.
Is isobutyryl chloride safe to handle in industrial settings?
Isobutyryl chloride is corrosive and moisture-sensitive. It requires proper PPE including chemical-resistant gloves, goggles, and fume hoods. Always store in airtight containers away from water and humidity.
What is the CAS number for isobutyryl chloride?
The CAS number for isobutyryl chloride is 79-30-1. Its IUPAC name is 2-methylpropanoyl chloride.
How should isobutyryl chloride be stored to maintain purity?
Store isobutyryl chloride in sealed, corrosion-resistant containers under a nitrogen blanket at temperatures below 30 degrees Celsius. Keep away from water, alcohols, and oxidizing agents.
Can isobutyryl chloride be shipped internationally?
Yes, it can be shipped internationally following UN hazardous goods regulations. It is typically classified under UN 2395 and requires specialized packaging and documentation.
What purity grade is suitable for pharmaceutical manufacturing?
Pharmaceutical-grade isobutyryl chloride should have a minimum purity of 99 percent, verified by gas chromatography analysis and supported by a detailed Certificate of Analysis.