The chemical corresponding to CAS 89-98-5 is 2-chlorobenzaldehyde. According to existing public information, this substance does not belong to the strictly controlled category of precursor chemicals in China’s “Regulations on the Management of Precursor Chemicals” or “Catalogue of Hazardous Chemicals” (such as Class I precursor chemicals), but as a corrosive and toxic hazardous chemical, it must comply with relevant safety management regulations in its production, operation, transportation, and storage.

Basic Attributes and Classification
-Chinese name: 2-chlorobenzaldehyde (2-chlorobenzaldehyde)
-CAS number: 89-98-5
-Molecular formula: C ₇ H ₅ ClO
-Hazard description: Corrosive (H314), flammable (H227), and hazardous to health (H303, H318), with hazardous material transport number UN3265.
-Regulatory scope: Belonging to general hazardous chemicals, it needs to be regulated and managed in accordance with the Regulations on the Safety Management of Hazardous Chemicals, rather than special control of precursor chemicals.

main purpose
This substance is an important organic synthesis intermediate widely used in the following fields:
-Pesticide industry: used for synthesizing acaricides (such as acaricide) and plant growth regulators.
-Pharmaceutical industry: as a raw material for the synthesis of drugs such as 2-chlorobenzoyl chloride and chlorpheniramine sodium.
-Fine chemical industry: used as a zinc plating brightener and dye intermediate (such as synthetic fluorescent whitening agent CBS).

Safety and Compliance Tips
Although it does not involve the control of easy drug production, due to its corrosiveness and toxicity, enterprises must have corresponding hazardous chemical business qualifications when purchasing, transporting, and using it, and strictly implement storage conditions (room temperature storage, avoiding contact with strong oxidants and alkalis).

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2-Chlorobenzaldehyde CAS 89-98-5
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