Roxarsone CAS 121-19-7 is an organic arsenic compound widely used in poultry production, as a feed additive to improve weight gain, feed efficiency, and as an anti coccidian drug.
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Overview
Roxarsone is an organoarsenical compound historically used as a feed additive. Its molecular formula is C₆H₉AsNO₄ and CAS number is 98-25-7. The core process involves the nitration of 4-amino-3-nitrobenzenesulfonic acid followed by reaction with arsenic trioxide.
Application
- Poultry farming for growth promotion and disease control
- Swine production to improve feed efficiency
- Veterinary medicine for coccidiosis prevention in livestock
Precautions
Strictly banned in human food chains due to toxicity risks. Requires sealed storage in dry, cool conditions away from oxidizers. Personnel must use full PPE to prevent inhalation or dermal exposure during handling.