Phthalic acid CAS No.:88-99-3
Dyeing and Pigments 2025-03-02
Chemical Name: Phthalic Acid
Synonyms: 1,2-Benzenedicarboxylic Acid
CAS No.: 88-99-3
Molecular Formula: C₈H₆O₄
Molecular Weight: 166.13 g/mol
Assay: ≥99.0%
Appearance: White crystalline powder
Specifications
| Parameter | Specification |
|---|---|
| Purity (GC/HPLC) | ≥99.0% |
| Melting Point | 210-211°C (decomposes) |
| Water Content | ≤0.5% |
| Ash Content | ≤0.1% |
Applications
- Polymer Industry:
- Production of polyester resins and alkyd resins
- Raw material for polyester fibers (e.g., PET)
- Chemical Intermediates:
- Synthesis of plasticizers (e.g., DMP, DEP)
- Manufacturing of dyes (e.g., phthalein dyes)
- Pharmaceuticals:
- Precursor for drug formulations
Packaging & Shipping
- Standard Packaging:
- 1 kg/bag (aluminum foil with desiccant)
- 25 kg/bag (woven bag with PE liner)
- Custom Options:
- Bulk packaging available
Storage & Handling
- Storage Conditions:
- Store in a cool, dry, ventilated area
- Temperature: <30°C
- Protection Measures:
- Moisture-sensitive – keep containers tightly sealed
- Incompatibilities: Strong oxidizers, bases
Safety & Compliance
- GHS Hazard Statements:
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- H335: May cause respiratory irritation
- Recommended PPE:
- Nitrile gloves, safety goggles, dust mask
Disclaimer:
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