Phthalic acid (benzene-1,2-dicarboxylic acid) is an aromatic dicarboxylic acid that serves as a key intermediate in the synthesis of plasticizers, dyes, resins, and specialty chemicals. APM supplies technical-grade phthalic acid at 99.5%+ purity with consistent particle size and low heavy metal content.
| Chemical Formula | C₈H₆O₄ |
| CAS Number | 88-99-3 |
| Molecular Weight | 166.13 g/mol |
| Purity | ≥ 99.5% |
| Appearance | White powder or flakes |
| Melting Point | 205–208°C |
| Moisture Content | ≤ 0.2% |
| Ash Content | ≤ 0.05% |
| Iron Content | ≤ 5 ppm |
| Solubility | Slightly soluble in water; soluble in ethanol |
Storage: Store in cool (below 25°C), dry area away from strong oxidizers and bases. Keep sealed.
PPE: Dust respirator, chemical-resistant gloves, and eye protection required when handling.
Reactivity: Avoid contact with strong alkalis and oxidising agents. Low flammability risk.
Irritant: May cause skin and eye irritation. Dust inhalation should be avoided.
25 kg Multi-wall Bags
Standard supply50 kg Fibre Drums
Export grade500–1000 kg FIBC
Bulk industrialGet competitive pricing and technical data sheets from our sales team today.
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