- Purity (HPLC): ≥99.0%
- Appearance: White crystalline powder or needle-like crystals, no visible impurities
- Moisture Content: ≤0.5%
- Ash Content: ≤0.1%
- Heavy Metals (as Pb): ≤10 ppm
- Chloride (Cl?): Conforms to the standard (no obvious excess)
- Acidity: Conforms to the standard (meets the requirements of aromatic carboxylic acids)
Applications
4-Chlorobenzoic acid is an important organic intermediate, widely used in pharmaceutical, chemical, dyestuff and other industries:
- Pharmaceutical Field: It is a key intermediate for synthesizing various drugs, such as anti-inflammatory drugs, antibacterial agents, antipyretics and analgesics; it can also be used to prepare drug intermediates such as p-chlorobenzoyl chloride and p-chlorobenzamide, which are widely used in the research and development of new drugs.
- Dyestuff Industry: Used as a raw material for synthesizing various dyes, such as azo dyes, anthraquinone dyes and reactive dyes, to improve the color fastness and stability of dyes.
- Chemical Industry: Used in the production of plasticizers, preservatives, surfactants and other fine chemicals; it can also be used as a reagent in organic synthesis reactions, such as condensation, substitution and oxidation reactions.
- Other Fields: Used as a food additive (in small amounts) to enhance food preservation; also used in the preparation of pesticides, coatings and other products.
Safety Information
This product is a moderately irritating organic acid. Its dust or vapor can irritate the respiratory tract and mucous membranes, causing symptoms such as cough, sore throat and chest discomfort. Direct contact with the skin can cause redness, itching and burning sensation; contact with the eyes may cause severe irritation, redness, swelling and even corneal damage. If ingested accidentally, it will stimulate the gastrointestinal tract, leading to nausea, vomiting, abdominal pain and other adverse reactions. When operating, it is necessary to wear chemical-resistant gloves, goggles and a dust mask to avoid direct contact with the skin, eyes and respiratory tract. It should not be mixed with strong oxidants, strong bases and reducing agents to prevent dangerous reactions. Waste materials and contaminated containers should be disposed of in accordance with hazardous waste management regulations, and random discarding is strictly prohibited to avoid environmental pollution.
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