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Organic Acids

Trimethyl trimellitate

CAS: 2459-10-1

Overview

Trimethyl trimellitate (CAS 2459-10-1 ) is the trimethyl ester of trimellitic acid, used in polymer chemistry as a reactive intermediate and plasticizer precursor. It functions primarily as a building block in the synthesis of higher-performance esters.

In plastics and polymer manufacturing, it serves as a monomer for producing trimellitate plasticizers through transesterification with higher alcohols. This process offers improved heat resistance over traditional phthalate-based alternatives.

Coating formulators use it as a crosslinking intermediate in polyester and alkyd resin systems where precise functionality is required. Low volatility and specific process requirements make it an ideal choice for these industrial applications.

In adhesive and sealant formulations, it contributes to polymer backbone construction where thermal stability is a qualification criterion. It ensures durability under prolonged service conditions for high-performance bonding agents.

It also functions as a reactive plasticizer precursor in PVC compounding development. This is particularly useful where end-use specifications demand low migration and high-temperature performance in demanding environments.

Trimethyl trimellitate is supplied as a liquid and is available in technical grade. This is the standard specification for industrial polymer and coating applications requiring consistent chemical properties.

Packaging typically ranges from drums to IBC containers depending on order volume and logistical needs. Our supply chain ensures that the product meets the necessary industrial standards for manufacturing and processing.

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Physical Properties

Melting Point-13 °C
Boiling Point194 °C @ Press: 12 Torr
Density1.261 g/cm³
Flash Point>230 °F
AppearanceClear colorless to yellow viscous liquid
ColorColorless to Light orange to Yellow
Formclear liquid
Water Solubility1.11g/L at 20℃
Vapor Pressure0.01 mm Hg ( 20 °C)
Refractive Indexn 20/D 1.523(lit.)
Log P1.96 at 25℃

Safety & Handling

GHS09 Hazard Statements H411 Toxic to aquatic life with long lasting effects Precautionary Statements P273 Avoid release to the environment. P391 Collect spillage. P501 Dispose of contents/container in accordance with local regulations.

Trade & Regulatory

HS Code29173990
WGK (Germany)3

Other Names

Trimethyl benzene-124-tricarboxylate | TRIMETHYL 124-BENZENETRICARBOXYLATE | 124-Benzenetricarboxylic acid124-trimethyl ester | Methyl trimellitate | Trimellitic acid trimethyl ester | 124-Benzenetricarboxylic acidtrimethyl ester | 16O7DT5N66 | PROVICHEM 2011

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Chemical Properties

CAS Number
2459-10-1
EC Number
219-547-3
Mol. Weight
252.22
HS Code
29173990

Industries

Documentation