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Trimethyl Phosphate CAS 512-56-1 TMP

Trimethyl Phosphate /TMP is an organophosphorus compound widely used as a solvent, flame retardant, and chemical intermediate. It is a colorless transparent liquid with a mild odor, exhibiting good solubility in water and most organic solvents. TMP is known for its high stability, low toxicity, and excellent flame retardancy. Its molecular formula is C₃H₉O₄P, and it is commonly used in the synthesis of pharmaceuticals, pesticides, and other organic compounds.
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  • 512-56-1

  • boss chem

  • 512-56-1

Product name: Trimethyl Phosphate

English alias: TMP; Phosphoric acid trimethyl ester; Methyl phosphate

CAS: 512-56-1

Molecular formula: C3H9O4P

Appearance: Colorless transparent liquid

Package: 25kg/drum, 200kg/drum

What is Trimethyl Phosphate?

Trimethyl Phosphate /TMP is an organophosphorus compound widely used as a solvent, flame retardant, and chemical intermediate. It is a colorless transparent liquid with a mild odor, exhibiting good solubility in water and most organic solvents. TMP is known for its high stability, low toxicity, and excellent flame retardancy. Its molecular formula is C₃H₉O₄P, and it is commonly used in the synthesis of pharmaceuticals, pesticides, and other organic compounds.

COA:

Test Item

Unit

Specification

Purity

%

≥ 99.0

Moisture

%

≤ 0.1

Acidity (as H₃PO₄)

%

≤ 0.01

Refractive Index (20°C)

-

1.403 - 1.405

Density (20°C)

g/cm³

1.065 - 1.075

Color (APHA)

-

≤ 20

Application:

1. Solvent: Trimethyl Phosphate used as a solvent for cellulose esters, resins, and oils.

2. Flame Retardant:Trimethyl Phosphate added to polymers and plastics to improve flame resistance.

3. Chemical Intermediate: Trimethyl Phosphate serves as a methylating agent in the synthesis of pharmaceuticals and pesticides.

4. Plasticizer: Trimethyl Phosphate enhances the flexibility and processing of plastics.

5. Stabilizer: Trimethyl Phosphate used in hydraulic fluids and lubricants to improve thermal stability.

6. Catalyst: Participates in organic reactions as a catalyst or reaction medium.

Safety profile:

Triethyl Phosphate is generally considered to have low acute toxicity. However, it may cause irritation to the skin, eyes, and respiratory system. Proper personal protective equipment (PPE) such as gloves and goggles is recommended during handling. It is not classified as a carcinogen, but prolonged exposure should be avoided. Always refer to the Safety Data Sheet (SDS) for detailed handling and disposal instructions.

Storage requirements:

Store in a cool, dry, well-ventilated area.

Keep container tightly closed.

Avoid contact with strong oxidizing agents.

Recommended storage temperature: below 30°C.

Keep away from heat, sparks, and open flames.

Transport & Packaging:

25 kg polyethylene drums

200 kg steel drums

1000 kg IBC totes

All packages are compliant with international transport regulations for hazardous chemicals (if applicable). Proper labeling and documentation are provided for safe shipping.


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