Product Identification
【Product Name】Acetohydroxamic acid
【Synonyms】N-Hydroxyacetamide 醋羟胺酸
【CAS】546-88-3
【Formula】C2H5NO2
【Molecular Weight】75.069999999999993
【EINECS】208-913-8
【RTECS】AK8157000
【RTECS Class】Mutagen; Reproductive Effector
【Merck】13,64
【Beilstein/Gmelin】1739019
【Beilstein Reference】4-02-00-00432

Physical and Chemical Properties
【Appearance】White to light yellow solid with a faint odor.
【Solubility in water】Very soluble
【Melting Point】90
【Boiling Point】271
【pKa/pKb】9.26 (pKa)
【Partition Coefficient】-.79
【Usage】Medication.
 
First Aid Measures
【Ingestion】Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
【Skin】Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage
【Storage】Store in a cool, dry place. Store in a tightly closed container.
【Handling】Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Do not get on skin or in eyes. Do not ingest or inhale.

Hazards Identification
【Inhalation】Harmful if inhaled. May cause respiratory tract irritation.
【Skin】May cause skin irritation. Harmful if absorbed through the skin.
【Eyes】May cause eye irritation.
【Ingestion】Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【EC Safety Phrase】S 22 24/25

Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
【Exposure Effects】Prolonged or repeated exposure may cause adverse reproductive effects.

Fire Fighting Measures
【Fire Fighting】Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment.

Stability and Reactivity
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong oxidizing agents, strong acids, strong bases.
【Decomposition】Nitrogen oxides, carbon monoxide, carbon dioxide.