© 2026 Sinochem Nanjing Corporation,
All Right Reserved
N-Acetyl-P-Phenylenediamine shows up as a solid chemical used across a few serious industries. You may see it called by other names, but it always comes down to a crystalline material prepared from aniline derivatives. It’s built with a specific molecular formula: C8H10N2O, which tells you there’s a backbone of carbon, hydrogen, nitrogen, and oxygen. That makeup means it fits as both a building block and an end product in dye and pharmaceutical manufacturing. I’ve seen it described in trade sheets either as pure white or off-white flakes, solid chunks, or sometimes crystalline powder, depending on how tightly it’s packed or dried. No confusing characteristics—just a physical form that you can grab with a scoop or measure into a flask. The chemical has a bit of a reputation: it’s reactive, not something you just lay around. It matters to note that people working with this chemical should understand the hazards with skin contact or inhalation, nothing to brush off when safety’s at stake in a lab or plant.
Looking at the structure, N-Acetyl-P-Phenylenediamine carries an acetyl (CH3CO-) group linked to a para-phenylenediamine skeleton. That gives it a certain stability in regular temperatures and atmospheric pressure, which most facilities appreciate. People working on synthesis count on its melting point sitting around 168-170°C. It holds a molecular weight of 150.18 g/mol. Specific density runs in the range of about 1.2 g/cm³, which places it between the lightest industrial chemicals and the denser metals. Don’t expect to see it dissolved in water easily; you need the right solvents like ethanol or acetone if you want to get it into solution. Since it isn’t volatile, you won’t get a strong smell coming off of it. Instead, it acts quietly, waiting for process steps or reactions. For anyone dealing with customs or international shipment, you’ll want the right code: HS Code 29214219, used for identifying where duty and handling circumstances land.
Shaped for more than one use, the compound’s primary value comes out in dye intermediates, as a chemical raw material for coloring agents like azo dyes. Sometimes it lands in pharmaceutical research, specifically in intermediates to more complex molecules. In my experience, chemical companies sell it in sealed drums or bags, sometimes measured by the kilogram or liter. Material can show up as free-flowing powder, compacted flakes, crystalline pearls, or even in solution format for labs that need to avoid dust or solid particulates. It’s never produced in a totally liquid form at room temperature—it holds its solid status unless dissolved for special use cases. That physical stability can make handling easier, but it doesn’t make the chemical risk-free. You need a process, including gloves and goggles, plus careful weighing and dispensing. Any slip-up can irritate the skin or respiratory tract. For workers exposed in raw form, reaction products deserve just as much respect.
Working around hazardous chemicals always calls for facts, not shortcuts. N-Acetyl-P-Phenylenediamine isn’t explosive or famously flammable, but its biggest dangers come from direct exposure. I’ve seen what happens when rules for chemical hygiene get skipped: rashes, coughing, or headaches. The Safety Data Sheets list the compound as harmful if swallowed or inhaled, and direct skin or eye contact can cause real irritation. The materials should land only in properly controlled environments—no home mixing, no storage near food, no playing around with ventilation. A good setup means negative pressure hoods and clearly labeled containers. Cleaning up spills takes care—damp cloth for powder, never a dry broom that stirs dust. You can’t trust just water for cleaning either, since it doesn’t dissolve that easy.
Supply chains built on solid documentation and training stand a better chance of keeping accidents low and uptime high. Every container coming into a warehouse or moving out as waste tracking needs a full record. For raw materials like this, I’d recommend regular ventilation checks, staff refreshers on chemical safety, and prompt spill reporting. For companies facing stricter compliance, automated dosing and dispensing tools have made a difference in my experience—less open handling, fewer opportunities for harmful exposure. Shelf storage requires good temperature control, since high heat threatens to degrade the product or ruin batches. As regulations shift and attention on workplace health grows, materials like N-Acetyl-P-Phenylenediamine will stay front-and-center in discussions about ethical sourcing, responsible use, and tighter controls from factory floor to finished product.
