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Hydrazides can be reduced to aldehydes with NaBH4 in the presence of CuCl2. For benzhydrazide, an 82% yield was reported: Org. Prep. Proced. Int., 20, 405 (1988)./n
Reacts with aldehydes to form benzoylhydrazones. These have been reported as useful, stable surrogates of unstable imines in allylation, Mannich-type and cyanide addition reactions: J. Org. Chem., 64, 8054 (1999)./n
Hazard Statements: H302-H315-H319-H335-H351
Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Suspected of causing cancer.
Precautionary Statements: P201-P202-P264b-P270-P271-P280i-P281-P301+P312-P302+P352-P304+P340-P305+P351+P338-P308+P313-P330-P332+P313-P362-P501c
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear eye/face protection. Use personal protective equipment as required. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF exposed or concerned: Get medical advice/attention. Rinse mouth. If skin irritation occurs: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant