Overview
Industrial grade m-chlorobenzaldehyde (m-CBA) is an organic compound with the molecular formula C7H5ClO. It is a derivative of benzaldehyde with a chlorine atom at the meta position. This compound is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and dyes. m-CBA is commercially available in liquid form and is known for its reactivity in various chemical reactions, including condensation and oxidation processes. Its industrial grade typically has a purity of 98% or higher, making it suitable for large-scale manufacturing applications.
Physical and Chemical Properties
m-Chlorobenzaldehyde is a colorless to pale yellow liquid with a characteristic aromatic odor. It has a density of 1.24 g/cm³ and a boiling point of 213-215°C. The compound is soluble in most organic solvents but only slightly soluble in water. Chemically, m-CBA is reactive due to the presence of both an aldehyde group and a chlorine substituent. The chlorine atom at the meta position influences the electronic properties of the benzene ring, making it useful in electrophilic substitution reactions. The compound is stable under normal storage conditions but should be protected from strong oxidizers.
Main Applications
The primary use of m-chlorobenzaldehyde is as an intermediate in the pharmaceutical industry, where it is used to synthesize active pharmaceutical ingredients (APIs) such as antihistamines and antifungal agents. It is also a key building block in the production of agrochemicals, including herbicides and pesticides. In the dye industry, m-CBA is utilized to manufacture colorants and pigments. Its reactivity allows for the creation of complex molecular structures that result in vibrant and stable dyes. Additionally, it finds niche applications in fragrance and flavor industries due to its aromatic properties.
Safety and Storage
m-Chlorobenzaldehyde is classified as an irritant and can cause skin and eye irritation upon contact. Proper personal protective equipment (PPE), including gloves and goggles, should be worn when handling this chemical. In case of exposure, affected areas should be rinsed immediately with plenty of water. The compound should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as oxidizers. Containers should be tightly sealed to prevent moisture absorption and contamination. Spills should be contained and cleaned up using appropriate absorbent materials.
B2B Procurement Guide
When procuring industrial grade m-chlorobenzaldehyde, buyers should verify the CAS number (587-04-2) to ensure they are receiving the correct product. It is advisable to request a Certificate of Analysis (CoA) from the supplier to confirm purity levels, typically 98% or higher. Price negotiations should consider bulk purchase discounts, as m-CBA is commonly sold in drums or intermediate bulk containers (IBCs). Reliable suppliers should provide material safety data sheets (MSDS) and comply with international regulations such as REACH. Buyers are also encouraged to assess supplier reputation and logistical capabilities to ensure timely delivery.
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