Trimethyl trimellitate

CAS Number

2459-10-1

EC Number

219-547-3

Industries: Plastics & Polymers Automotive Lubricants & Metalworking

What is Trimethyl trimellitate?

Trimethyl trimellitate (CAS 2459-10-1) is the trimethyl ester of trimellitic acid, used in polymer chemistry as a reactive intermediate and plasticizer precursor.

Where is Trimethyl trimellitate used?

Polymer chemistry: building block in the synthesis of higher-performance esters
Plastics and polymer manufacturing: monomer for trimellitate plasticizers via transesterification with higher alcohols
Coatings: crosslinking intermediate in polyester and alkyd resin systems
Adhesives and sealants: polymer backbone construction where thermal stability is a qualification criterion
PVC compounding: reactive plasticizer precursor
It also serves as a reactive plasticizer precursor in PVC compounding development.

Commercial specifications

Packaging: drums to IBC containers depending on order volume and logistical needs

Other Names (Synonyms)

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What are the physical properties of Trimethyl trimellitate?

Melting Point -13 °C

Boiling Point 194 °C @ Press: 12 Torr

Density 1.261 g/cm³

Flash Point >230 °F

Appearance Clear colorless to yellow viscous liquid

Color Colorless to Light orange to Yellow

Form clear liquid

Water Solubility 1.11g/L at 20℃

Vapor Pressure 0.01 mm Hg ( 20 °C)

Refractive Index n 20/D 1.523(lit.)

Log P 1.96 at 25℃

How is Trimethyl trimellitate classified and handled safely? Learn More

GHS09· Environmental Hazard

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.

Which trade and regulatory codes apply to Trimethyl trimellitate?

HS Code 29173990

WGK (Germany) 3