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HS Code |
951324 |
| Chemicalname | Methyltetrahydrophthalic Anhydride |
| Synonyms | MTHPA, Methyl-THPA |
| Casnumber | 11070-44-3 |
| Molecularformula | C9H10O3 |
| Molecularweight | 166.18 g/mol |
| Appearance | Light yellow liquid |
| Density | 1.2 g/cm³ (at 25°C) |
| Boilingpoint | 150-160°C (at 2 mmHg) |
| Meltingpoint | -30°C |
| Solubility | Insoluble in water, soluble in organic solvents |
| Flashpoint | 129°C (closed cup) |
| Refractiveindex | 1.496 (at 20°C) |
| Purity | ≥99% |
| Odor | Pungent |
| Mainapplication | Epoxy resin curing agent |
As an accredited Methyltetrahydrophthalic Anhydride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Methyltetrahydrophthalic Anhydride is packaged in a 25 kg net weight steel drum, sealed, labeled with hazard symbols and handling instructions. |
| Shipping | Methyltetrahydrophthalic Anhydride should be shipped in tightly sealed, corrosion-resistant containers, protected from moisture, and clearly labeled according to hazardous material regulations. Transport in a cool, well-ventilated area, away from incompatible substances such as water and strong bases. Follow all local, national, and international guidelines for hazardous chemicals during transit. |
| Storage | Methyltetrahydrophthalic Anhydride (MTHPA) should be stored in a cool, dry, well-ventilated area, away from moisture, heat sources, and incompatible materials such as strong bases and amines. Keep containers tightly closed and protected from physical damage. Use corrosion-resistant containers, and ensure proper labeling. Minimize exposure to air, as MTHPA is sensitive to moisture and may hydrolyze. |
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Purity 99%: Methyltetrahydrophthalic Anhydride with 99% purity is used in epoxy resin curing for electrical insulators, where it ensures high dielectric strength and reduced electrical losses. Melting Point 65°C: Methyltetrahydrophthalic Anhydride with a melting point of 65°C is used in encapsulation of electronic components, where it enables uniform molding and minimal thermal stress. Low Viscosity: Methyltetrahydrophthalic Anhydride with low viscosity is used in high-speed resin transfer molding, where it offers rapid flow and excellent wetting of fiber reinforcements. Molecular Weight 194 g/mol: Methyltetrahydrophthalic Anhydride with a molecular weight of 194 g/mol is used in composite laminates manufacturing, where it contributes to controlled cross-link density and mechanical strength. Thermal Stability 150°C: Methyltetrahydrophthalic Anhydride with thermal stability up to 150°C is used in high-temperature adhesives, where it provides prolonged performance without degradation. Particle Size ≤50 μm: Methyltetrahydrophthalic Anhydride with particle size ≤50 μm is used in powder coating formulations, where it achieves smooth surface finishes and uniform curing. Hydrolytic Stability: Methyltetrahydrophthalic Anhydride with high hydrolytic stability is used in marine-grade composites, where it resists moisture-induced weakening and increases durability. Color Index APHA ≤30: Methyltetrahydrophthalic Anhydride with APHA color index ≤30 is used in transparent resin systems, where it maintains optical clarity and aesthetic quality. Storage Stability 12 Months: Methyltetrahydrophthalic Anhydride with storage stability of 12 months is used in bulk chemical distribution, where it ensures consistent reactivity and shelf life. Acid Value 520-540 mg KOH/g: Methyltetrahydrophthalic Anhydride with an acid value of 520-540 mg KOH/g is used in alkyd resin synthesis, where it optimizes curing rate and film hardness. |
Competitive Methyltetrahydrophthalic Anhydride prices that fit your budget—flexible terms and customized quotes for every order.
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