Trimellitic Anhydride (TMA)

CAS Number: 552-30-7

Molecular Formula: C9H4O5

Trimellitate plasticizers Raw materialPolyamide-imide resins Raw material

About Trimellitic Anhydride (TMA)

Trimellitic Anhydride (CAS 552-30-7) remains a foundational monomer in the high purity fine chemicals sector, where American manufacturers prioritize its use in synthesizing high-performance plasticizers and polyester resins that meet stringent mechanical and thermal requirements. Benzene-1,2,4-tricarboxylic acid 1,2-a...

Synonyms

tri-mellitic anhydride
trimellitic anhydride
TRIMELLITIC ANHYDRIDE
552-30-7
1,2,4-Benzenetricarboxylic anhydride

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Trimellitic Anhydride (TMA) Specifications

CAS Number

552-30-7

Molecular Formula

C9H4O5

Molecular Weight

192.12 g/mol

IUPAC Name

1,3-dioxo-2-benzofuran-5-carboxylic acid

Canonical SMILES

C1=CC2=C(C=C1C(=O)O)C(=O)OC2=O

InChI Key

SRPWOOOHEPICQU-UHFFFAOYSA-N

InChI

InChI=1S/C9H4O5/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H,(H,10,11)

HSN No

29173950

CAS Number

552-30-7

Molecular Formula

C9H4O5

Molecular Weight

192.12 g/mol

IUPAC Name

1,3-dioxo-2-benzofuran-5-carboxylic acid

Canonical SMILES

C1=CC2=C(C=C1C(=O)O)C(=O)OC2=O

InChI Key

SRPWOOOHEPICQU-UHFFFAOYSA-N

InChI

InChI=1S/C9H4O5/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H,(H,10,11)

HSN No

29173950

Melting point

329 to 336°F

Boiling point

464 to 473°F at 14 mmHg

Solubility

less than 1 mg/mL at 68°F

Density

1.55 at 68 °F (NTP, 1992) - Denser than water; will sink

Molecular Weight

192.12 g/mol

Hazard Classes and Categories

Skin Sens. 1 (99.9%), Eye Dam. 1 (> 99.9%), Resp. Sens. 1 (> 99.9%), STOT SE 3 (95.1%)

Precautionary Statement Codes

P233, P260, P261, P264+P265, P271, P272, P280, P284, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P333+P317, P342+P316, P362+P364, P403, P403+P233, P405, and P501 Eye Dam. 1

Plasticizer Precursor

A primary raw material used in the synthesis of trimellitate esters, which serve as high-performance plasticizers for polyvinyl chloride (PVC) to provide thermal stability, flexibility, and durability in wire and cable coatings

Curing Agent

A versatile hardening agent for epoxy and other resins used in the production of paints, coatings, and powder formulations for industrial and automotive applications

Chemical Intermediate

A strategic building block utilized in the synthesis of various polymers, polyesters, polyimide resins, agricultural chemicals, and pharmaceutical products

Surface Coating Modifier

A functional component used to manufacture water-soluble alkyd resins, lacquers, and enamels for applications requiring high thermal resistance and electrical insulation.