About Benzoic Anhydride
Benzoic Anhydride
CAS No.: 93-97-0
Molecular Formula : C14H10O3
Formula Weight : 226.23
Appearance : White to almost white crystals or crystalline
Mp : 38-42 °C(lit.)
Bp : 360°C
Density : 1.199 g/mL at 25 °C(lit.)
Fp : >230 °F Key Properties of Benzoic AnhydrideBenzoic Anhydride presents as a white, crystalline, tasteless, and odorless powder, notable for its stability under recommended storage conditions. It is only slightly soluble in water but dissolves well in organic solvents, ideal for industrial and laboratory applications across synthesis, dyes, and pharmaceuticals. Its molecular formula is (C7H5O2)2O and it has a density of 1.2 g/cm.
Safe Handling and Storage GuidelinesDue to its classification as a toxic substance (Hazard Class 6.1), Benzoic Anhydride should be handled with caution. Use proper protective equipment to avoid skin and eye contact or inhalation. Store in tightly sealed containers in a cool, dry area to prevent degradation; adherence to these precautions ensures product stability and prolongs shelf life to 24 months.
Industrial Applications and BenefitsBenzoic Anhydride serves as a versatile reagent and intermediate in organic synthesis, including pharmaceutical manufacturing, dyes, and specialty chemicals. Its high purity and stability under standard conditions make it valuable for rigorous industrial processes, supporting efficient and consistent output in chemical manufacturing environments.
FAQs of Benzoic Anhydride:
Q: How should Benzoic Anhydride be safely handled in industrial settings?
A: Benzoic Anhydride must be handled in well-ventilated spaces with appropriate personal protective equipmentgloves, goggles, and respiratory protectionto prevent inhalation or contact with skin and eyes. Adhering to strict safety protocols minimizes exposure to its toxic properties.
Q: What are the primary applications of Benzoic Anhydride in organic synthesis?
A: It is widely used as a reagent and intermediate in the synthesis of pharmaceuticals, dyes, and specialty chemicals. Its reactivity and stability make it highly suitable for various organic processes in both laboratory and industrial environments.
Q: When should Benzoic Anhydride be stored or disposed of to maintain safety and stability?
A: Store Benzoic Anhydride immediately upon receipt in a tightly sealed container in a cool, dry location, away from incompatible substances. It should be disposed of according to local hazardous waste regulations after 24 months or if its integrity is compromised.
Q: Where can Benzoic Anhydride be sourced in India?
A: It is distributed, exported, imported, and supplied by a range of manufacturers, wholesalers, and retailers across India. Ensure sourcing from reputable suppliers to guarantee product purity and compliance.
Q: What precautions should be taken during transportation and packaging of Benzoic Anhydride?
A: Transport Benzoic Anhydride in properly labeled, tightly closed 25 kg fiber or HDPE drums, following UN regulation 2811 for toxic substances. Careful packaging and secure transport help mitigate spills and exposure during transit.
Q: How does the solubility of Benzoic Anhydride affect its industrial usage?
A: Although only slightly soluble in water, Benzoic Anhydride dissolves readily in organic solvents, which is advantageous for many organic synthesis reactions and processes where non-aqueous media are preferred.
Q: What benefits does Benzoic Anhydride offer to manufacturers in its principal applications?
A: With 98% purity and reliable stability, Benzoic Anhydride delivers consistent performance in synthesizing complex organic molecules, enhancing process efficiency and product reliability in the pharmaceutical and chemical sectors.