PRODUCT DATA SHEET (TDS)

1. Product Identification

Item	Details
Product Name	Trimellitic Anhydride (TMA)
CAS No.	552-30-7
Molecular Formula	C₉H₄O₅
Molecular Weight	194.13 g/mol
Appearance	White to light yellow flake or granular solid

2. Typical Specifications

Analysis Item	Unit	Standard	Typical Test Result
Appearance	–	White or light yellow flake/granular solid	White flake solid
Acid Value	mgKOH/g	≥ 873.00	874.12
Anhydride Content	%	≥ 98.00	98.88
Melting Point	℃	≥ 164.0	165.6
Melt Color	#	≤ 120	90
PA Content	ppm	≤ 300	10

3. Physical & Chemical Properties

Item	Details
Melting Point	164–168 ℃
Boiling Point	390 ℃
Flash Point	227 ℃
Density	1.54 g/cm³
Solubility	Reacts with water; soluble in acetone, ethanol, DMF
Stability	Stable under normal conditions; avoid moisture and strong acids/bases

4. Applications

• Primary raw material for producing trimellitate plasticizers (e.g., TOTM), widely used in heat-resistant PVC applications.
• Key monomer for manufacturing high-performance polyester resins, powder coatings, and insulating paints.
• Used as a curing agent for epoxy resins, improving thermal and mechanical properties of composites.
• Applied in the production of waterborne polyesters, high-temperature resistant adhesives, and specialty polymers.

5. Packaging & Storage

• Packaging: 25kg woven bags, 500kg big bags, or as per customer requirements.
• Storage: Store in a cool, dry, well-ventilated warehouse. Keep away from moisture, heat sources, and incompatible materials.
• Shelf Life: 24 months under proper storage conditions.

6. Safety & Handling

• Use standard personal protective equipment (safety goggles, chemical-resistant gloves, and dust masks) during handling.
• Avoid inhalation of dust and direct contact with skin and eyes.
• In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
• Refer to the product SDS for detailed safety, handling, and disposal instructions.