We professionally supply CAS 6053-46-9 (3-(Carboxymethyl)-1,2,4-cyclopentanetricarboxylic acid 1,4:2,3-dianhydride, TCA/TCAAH) with a purity of ≥99.0% and an annual capacity of several tens of tons. It is suitable for polyimide (PI) films, liquid crystal alignment films, and thermally conductive materials. Request free samples and MSDS.
H1: CAS 6053-46-9 (TCA) High-Purity Polyimide Monomer — A Professional Supplier Technical Guide
If you are looking for a reliable supplier of 6053-46-9, or need to procure high-purity TCA dianhydride monomer (3-(Carboxymethyl)-1,2,4-cyclopentanetricarboxylic acid 1,4:2,3-dianhydride) for your polyimide (PI) project, this guide will help you fully understand the product’s technical specifications, application scenarios, and how to select a qualified manufacturer.
H2: What is CAS 6053-46-9 (TCA/TCAAH)?
CAS 6053-46-9, with the chemical name 3-(Carboxymethyl)-1,2,4-cyclopentanetricarboxylic acid 1,4:2,3-dianhydride, is commonly known in Chinese as:
· 3-(Carboxymethyl)-1,2,4-cyclopentanetricarboxylic acid 1,4:2,3-dianhydride
· 1-(Carboxymethyl)-2,3,5-cyclopentanetricarboxylic acid-2,6:3,5-dianhydride
Industry abbreviations: TCA, TCAAH, TCAAQ, CPDA
This compound is an alicyclic tetracarboxylic dianhydride with the molecular formula C₁₀H₈O₆ and a molecular weight of 224.17. Its unique alicyclic skeleton and dianhydride structure make it one of the key monomers for synthesizing high-performance polyimide (PI).
· EINECS No.: 810-995-0
· MDL No.: MFCD22373052
· InChIKey: QVEIRZNRYOJFCL-UHFFFAOYSA-N
· PubChem CID: 22239650
H2: Core Technical Specifications of TCA (6053-46-9)
Parameter Specification
Appearance White to off-white crystalline powder
Purity ≥99.0% (standard) / ≥99.5% (electronic grade)
Melting point 201°C
Density 1.567 g/cm³ (20°C)
Boiling point 517.5°C (760 mmHg, predicted)
Flash point 238.6°C
Water solubility Practically insoluble (4.0×10⁻⁴ g/L, 25°C)
Vapor pressure 0.0±1.3 mmHg (25°C)
Refractive index 1.556
Storage conditions Sealed, cool and dry, inert atmosphere (N₂/Ar), strictly moisture-proof
Sensitivity Moisture sensitive
⚠️ Purchasing tip: Since TCA is extremely sensitive to moisture, the supplier’s packaging seal integrity and storage environment are key indicators of their professionalism.
H2: Five Core Application Areas of TCA Monomer
H3: 1. Polyimide (PI) Films and Resins
TCA undergoes polycondensation with aromatic or alicyclic diamines to produce high-performance polyimides. These materials offer excellent heat resistance (long-term service temperature >300°C) and are widely used in:
· Flexible printed circuit (FPC) substrates
· Copper-clad laminate (CCL) insulation layers
· Semiconductor packaging materials
H3: 2. Liquid Crystal Display (LCD/OLED) Alignment Films
As a key raw material for liquid crystal alignment agents, TCA-derived polyimides can precisely control liquid crystal molecular alignment and are indispensable electronic chemicals in TFT-LCD and OLED panel manufacturing.
H3: 3. High Thermal Conductivity Polyimide Films
In 5G communications, new energy vehicles, and high-power chip thermal management, TCA-based PI films—with their outstanding thermal conductivity and insulation—are gradually replacing traditional thermal materials.
H3: 4. High-Temperature Coatings and Electronic Adhesives
TCA can be used as a crosslinker or curing agent for: aerospace high-temperature coatings, motor insulation varnishes, electronic-grade structural adhesives.
H3: 5. Advanced Composite Matrix Resins
Combined with carbon fiber or glass fiber to manufacture lightweight, high-strength aerospace structural components and automotive parts.
H2: How to Choose a Qualified TCA (6053-46-9) Supplier?
H3: Purity and Batch Consistency
· Require the supplier to provide a Certificate of Analysis (COA) for every batch
· For electronic-grade applications, choose products with a purity of ≥99.5%
· Pay attention to moisture content and anhydride group activity indicators
H3: Production Capacity and Lead Time
· Pilot-scale stage: confirm whether the supplier supports small batches from 1 g to 1 kg
· Mass production stage: assess whether their annual capacity can meet monthly ton-level demand
· Standard lead time: 5–7 days for samples, 14–21 days for bulk orders
H3: Compliance Documentation Support
· MSDS (Safety Data Sheet)
· RoHS / REACH compliance declarations
· ISO 9001 quality management system certification
· Inspection certificates and dangerous goods packaging certificates for export, where applicable
H3: Packaging and Storage/Transport Professionalism
· Reputable suppliers typically use multi-layer sealed packaging: aluminum foil bags + fluorinated bottles / steel drums
· Options for inert gas filling (nitrogen/argon)
· Temperature-controlled warehousing and moisture-proof shipping capabilities
H2: Our Core Advantages (Why Choose Us?)
As a manufacturer specializing in polyimide monomers and electronic chemicals, we offer the following strengths in TCA (6053-46-9):
Advantage Dimension Details
High-purity assurance Standard purity ≥99.0%; electronic grade ≥99.5% available; complete COA provided with every batch
Scalable capacity Annual capacity of several tens of tons, covering everything from gram-scale R&D to ton-scale production
Flexible packaging 1 g / 100 g / 1 kg / 25 kg / IBC totes; aluminum foil bags / fluorinated bottles / steel drums supported
Customization services Adjustable crystal form, particle size distribution, and purity grades; OEM/ODM custom synthesis supported
Compliance system ISO 9001 certified; MSDS, RoHS, REACH documents provided; global export supported
Technical support Dedicated application engineering team to assist with polymerization process and formulation development
Cost advantage Proprietary synthetic route and integrated raw materials; competitive market pricing
Global logistics Shipping from Shanghai/Tianjin/Hong Kong ports; sea, air, and door-to-door express delivery supported
H2: Frequently Asked Questions (FAQ)
Q1: What is the minimum order quantity (MOQ) for TCA (6053-46-9)?
A: We support flexible ordering. R&D samples start from as little as 1 g, while production orders typically start at 1 kg or 25 kg. Specifics can be negotiated according to your project stage.
Q2: What is the shelf life of TCA?
A: Under sealed, dry, inert-atmosphere conditions, the shelf life is typically 24 months. It is recommended to use the product promptly after opening; any remainder should be resealed and stored in a desiccator.
Q3: Is TCA classified as a dangerous good? Are there special shipping requirements?
A: TCA is classified as a general chemical, not a typical dangerous good. However, due to its moisture sensitivity, it must be strictly protected from moisture and shipped in sealed packaging, avoiding prolonged exposure to high-humidity environments.
Q4: Can you supply electronic-grade TCA (purity ≥99.5%)?
A: Yes. Our electronic-grade product undergoes additional purification processes, with metal ion content and color specifications meeting the requirements of the semiconductor and display materials industries.
Q5: Do you support third-party testing?
A: Absolutely. We welcome customers to designate third-party agencies such as SGS or Intertek for inspection and testing.
H2: Get a Quote and Free Samples Now
Whether you are conducting polyimide material R&D or preparing for large-scale production, we can provide you with stable, high-purity CAS 6053-46-9 (TCA) products.
Contact us for free samples, MSDS, and the technical documentation package.
Post time: Oct-09-2026
