Product name: Paracetamol powder (Acetaminophen)
CAS‑No:103‑90‑2
EINECS:203‑157‑5
Molecular Formula: C8H9NO2
Molecular Weight: 151.16 g/mol
1. Product Brief
Paracetamol, also known as Acetaminophen, is a white crystalline powder. It is a widely‑used antipyretic‑analgesic active pharmaceutical ingredient (API). Manufactured by chemical synthesis, available in pharmaceutical grade complying with BP/USP/EP standards. Mainly used for preparation of tablets, capsules, granules and other oral dosage forms.
2. Physichem Properties
| Parameter | Value | Condition |
|---|---|---|
| Appearance | White crystalline powder | ‑ |
| Melting Point | 168‑172 ℃ | ‑ |
| Density | 1.293 g/cm³ | 20 ℃ |
| Water Solubility | 14 g/L | 25 ℃, slightly soluble |
| Solubility | Soluble in hot water, methanol, ethanol; practically insoluble in ether, benzene | ‑ |
| pH (saturated solution) | 5.5‑6.5 | 25 ℃ |
| Stability | Stable under normal conditions; sensitive to strong alkali and high humidity | ‑ |
3. Quality Specification (Pharma Grade, USP/BP standard)
| Test Item | Specification |
|---|---|
| Assay | 99.0 ~ 101.0 % |
| Appearance of solution | Clear & colourless |
| Water | ≤0.20 % |
| Sulphated ash | ≤0.10 % |
| Heavy metals | ≤10 ppm |
| Related substances (impurities) | Meet pharmacopoeia limit |
| Melting range | 168‑172 ℃ |
4. Application & Use
Pharmaceutical API: Antipyretic and analgesic raw material, for fever relief and mild‑moderate pain. Used for tablets, capsules, oral suspension, granules.
- Raw material for compound pharmaceutical preparations.
- Limited application in fine‑chemical synthesis intermediates.
5. Packing
Standard packing: 25 kg fiber drum with double PE inner bag; or 25kg/bag
Inner liner for moisture‑proof; drum sealed with lid & hoop.
Outer marking: Product name, CAS No., Batch No., Mfg date, Retest date, Net/Gross weight, Manufacturer info, Made in China.
6. Delivery and Storage
Storage
Store in cool, dry, well‑ventilated warehouse, temperature below 25 ℃. Keep drums tightly closed, protect from moisture, light and direct sunlight. Keep away from alkaline materials. Shelf‑life: 36 months under recommended storage.
Delivery & Transportation
Non‑dangerous goods, no UN number. Avoid rain, moisture and high temperature during transit. Do not transport together with strong alkali, strong oxidants or toxic substances. Avoid dust inhalation during handling.




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