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HS Code |
669991 |
| Chemical Name | 3-Chlorophthalic Anhydride |
| Cas Number | 4003-76-7 |
| Molecular Formula | C8H3ClO3 |
| Molecular Weight | 182.56 g/mol |
| Appearance | White to off-white crystalline powder |
| Melting Point | 114-117 °C |
| Density | 1.62 g/cm³ |
| Solubility | Slightly soluble in water, soluble in organic solvents |
| Purity | Typically ≥98% |
| Flash Point | 234.4 °C |
| Storage Temperature | Store at room temperature, keep container tightly closed |
| Smiles | O=C1OC(=O)c2cccc(Cl)c12 |
| Hazard Class | Irritant |
As an accredited 3-Chlorophthalic Anhydride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
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Purity 99%: 3-Chlorophthalic Anhydride with purity 99% is used in high-performance polyester resins, where enhanced chemical resistance is achieved. Melting Point 207°C: 3-Chlorophthalic Anhydride with a melting point of 207°C is used in heat-curable powder coatings, where improved thermal stability is ensured. Particle Size ≤10 µm: 3-Chlorophthalic Anhydride with particle size ≤10 µm is used in specialty paints, where uniform dispersion and surface smoothness are obtained. Stability Temperature 180°C: 3-Chlorophthalic Anhydride with stability temperature 180°C is used in electrical insulation materials, where long-term dielectric integrity is maintained. Molecular Weight 200.56 g/mol: 3-Chlorophthalic Anhydride with molecular weight 200.56 g/mol is used in pharmaceutical intermediates, where precise molecular incorporation is critical. Low Free Acid Content ≤0.5%: 3-Chlorophthalic Anhydride with low free acid content ≤0.5% is used in epoxy curing agents, where minimized side reactions and product consistency are provided. Reactivity Index 0.8: 3-Chlorophthalic Anhydride with reactivity index 0.8 is used in polymer blend modifications, where balanced cross-linking and mechanical strength are optimized. Moisture Content ≤0.2%: 3-Chlorophthalic Anhydride with moisture content ≤0.2% is used in fine chemical synthesis, where purity and yield are significantly improved. |
| Packing | 3-Chlorophthalic Anhydride, 500g, packed in a sealed amber glass bottle with tamper-evident cap, labeled with hazard warnings. |
| Container Loading (20′ FCL) | 20′ FCL container loads 3-Chlorophthalic Anhydride in 25kg bags or fiber drums, maximizing safe, moisture-proof chemical transportation. |
| Shipping | 3-Chlorophthalic Anhydride should be shipped in tightly sealed, corrosion-resistant containers, protected from moisture and incompatible substances. Handle with appropriate labeling and documentation. Transport according to applicable local, national, and international regulations for hazardous chemicals, typically under UN 3261 (Corrosive solid, acidic, organic, n.o.s.). Store in a cool, dry, well-ventilated area upon arrival. |
| Storage | 3-Chlorophthalic anhydride should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from moisture, heat sources, and incompatible substances such as bases and strong oxidizers. Handle under inert atmosphere if possible to prevent hydrolysis. Use chemical-resistant containers and clearly label storage vessels. Avoid prolonged exposure to air and keep away from food and drink. |
| Shelf Life | 3-Chlorophthalic anhydride typically has a shelf life of 2-3 years when stored in a cool, dry, tightly sealed container. |
Competitive 3-Chlorophthalic Anhydride prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615380400285
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