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Specifications
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Characteristics |
Clear colorless liquid |
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Content |
99% min |
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Color Value |
20 APHA max |
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Acid Value |
0.2 mgKOH/g max |
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Water |
0.2% max |
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Refractive Index |
1.393 to 1.397 |
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Specific Gravity at 20℃ |
1.213 g/cm³ to 1.217 g/cm³ |
Transport Information
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Parameter |
Specification |
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UN Number |
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Class |
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Packing Group |
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H.S. Code |
2919900090 |
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Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
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Storage |
Tightly closed. Keep in a well-ventilated place. Keep locked up or in an area accessible only to qualified or authorized persons. |
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Condition to Avoid |
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Package |
200kg/drum |
Applications of Trimethyl phosphate丨CAS 512-56-1
1. Flame Retardant
Used as a flame retardant additive in plastics, textiles, and resins to reduce flammability and improve fire resistance.
Its phosphorus content contributes to flame inhibition and char formation during combustion.
2. Solvent and Plasticizer
Functions as a solvent or plasticizer in the synthesis of polymers and resins, improving flexibility and processing characteristics.
Commonly applied in specialty coatings and inks.
3. Chemical Intermediate
Utilized as a reagent or intermediate in organic synthesis, particularly for phosphorylation reactions and preparation of other phosphorus-containing compounds.
Acts as a methylating agent under certain conditions.
4. Electrolyte Component
Occasionally used in electrolyte formulations for batteries and capacitors, contributing to conductivity and stability.
Benefits
✅ Effective Flame Retardancy
Provides efficient fire resistance without compromising material properties significantly.
Environmentally preferred over halogenated flame retardants due to lower toxicity.
✅ Good Solvent Properties
Exhibits excellent solvent capabilities for a range of organic and inorganic substances.
Enhances processing and formulation flexibility.
✅ Chemical Stability
Stable under typical processing conditions, ensuring consistent performance in end-use applications.
Summary
Trimethyl phosphate丨CAS 512-56-1 is a versatile organophosphorus compound primarily used as a flame retardant, solvent, plasticizer, and chemical intermediate. Its ability to improve fire resistance and participate in phosphorylation reactions makes it valuable in polymer manufacturing, specialty coatings, and organic synthesis.
