4-Aminophthalic Acid CAS 5434-21-9

1. 4-Aminophthalic acid is a key intermediate in the synthesis of dyes, pigments, and other organic compounds, serving as a valuable building block for the production of colorants .
2. 4-Aminophthalic acid CAS 5434-21-9 is used as a building block for the synthesis of biologically active molecules and pharmaceuticals, including potential anti-tumor and antibacterial agents .
3. 4-Aminophthalic acid is utilized in the development of diagnostic agents and serves as a versatile precursor for the preparation of various heterocyclic compounds .
4. In analytical chemistry, 4-aminophthalic acid can be used as a reference standard for the detection of related compounds in urine samples via magnetic resonance spectroscopy .

1. 4-Aminophthalic acid must be stored in a tightly sealed container in a cool, dry, and well-ventilated environment, preferably under inert gas as it is air sensitive .
2. Recommended 4-Aminophthalic acid CAS 5434-21-9 storage is at room temperature in a cool and dark place (below 15°C) to maintain stability .
3. 4-Aminophthalic acid is classified with GHS hazard statements H315 (Causes skin irritation) and H319 (Causes serious eye irritation); personnel must wear protective gloves and eye/face protection when handling .
4. Keep 4-aminophthalic acid away from incompatible materials such as strong oxidizing agents to prevent decomposition .

1. Isolate the spill area, ensure adequate ventilation, and wear full personal protective equipment including chemical-resistant gloves, safety goggles, and a suitable dust respirator when 4-Aminophthalic acid is released .
2. Collect 4-Aminophthalic acid CAS 5434-21-9 by sweeping or vacuuming without creating dust using non-sparking tools, and place into suitable closed containers for disposal .
3. Avoid creating dust clouds during cleanup to prevent respiratory exposure; prevent 4-aminophthalic acid from entering drains or water courses .
4. Dispose of collected material according to local, state, and federal environmental regulations; 4-aminophthalic acid is classified as non-dangerous goods for transport .

1. 4-Aminophthalic acid is not classified as highly flammable but may decompose under fire conditions, emitting toxic fumes including carbon oxides and nitrogen oxides (NOx) .
2. Use 4-Aminophthalic acid CAS 5434-21-9 water spray, dry chemical powder, carbon dioxide, or alcohol-resistant foam to extinguish fires involving 4-aminophthalic acid; do NOT use a direct water jet as it may scatter burning material .
3. Firefighters should wear self-contained breathing apparatus in pressure-demand, MSHA/NIOSH approved, and full protective gear when handling burning 4-Aminophthalic acid due to hazardous decomposition gases generated by thermal decomposition .
4. During combustion, 4-aminophthalic acid may emit irritant and toxic fumes; contain fire runoff to prevent environmental contamination .