Phthalic Anhydride
Phthalic Anhydride – Essential Intermediate for Plasticizers and Resins
Phthalic Anhydride is a white crystalline compound used extensively in the production of plasticizers, alkyd resins, dyes, pigments, and polyester resins. It plays a critical role as a chemical intermediate in various industrial and chemical manufacturing applications due to its high reactivity and stability.
Chemical Specifications
| Property | Details |
|---|---|
| CAS Number | 85-44-9 |
| Grade | Industrial / Technical |
| Molecular Formula | C8H4O3 |
| HSN Code | 29173500 |
| Purity | > 99% |
| Molecular Weight | 148.12 g/mol |
| Packing | Bag / Drum |
| GST Tax Rate | 18% |
Technical Specifications
| Property | Unit | Specification | Results |
|---|---|---|---|
| Appearance | - | White crystalline solid | White crystals |
| Melting Point | °C | 130 - 133 | 131.5 |
| Acidity (as phthalic acid) | % | < 0.5 | 0.2 |
| Freezing Point | °C | > 130 | 132 |
| Purity (GC) | % | > 99.5 | 99.7 |
Features of Phthalic Anhydride
- High Purity: Ensures optimal performance in polymer applications.
- Stable Composition: Resistant to degradation and moisture.
- Excellent Reactivity: Perfect for resin and plasticizer synthesis.
- Versatile Use: Ideal for both organic and polymer chemistry.
Applications of Phthalic Anhydride
- Plasticizers: Raw material for dioctyl phthalate (DOP) and other esters.
- Alkyd Resins: Widely used in paints and coatings.
- Polyester Resins: Utilized in unsaturated polyester resin production.
- Pigments and Dyes: Intermediate in dye and pigment manufacturing.
- Pharmaceuticals: Precursor for certain drug compounds.
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Contact Us- Address: 206-207, 2nd Floor, Wadala Udhyog Bhavan, Naigaon Cross Road, Wadala (West)
- Email: info@shaktichemicals.org
- Phone: +91 4044 0000