Description

1,1,4,4-Butanetetracarboxylic Acid is a high-purity, multifunctional carboxylic acid compound valued for its four reactive carboxyl groups. This unique structure makes it a versatile building block and cross-linking agent in advanced polymer synthesis and specialty material manufacturing. It is essential for industries requiring high-performance polyesters, polyamides, and other functional polymers with enhanced thermal and chemical resistance.

Application

• Polymer Synthesis: A key monomer for producing high-performance polyesters, polyamides, and alkyd resins.
• Cross-linking Agent: Used to create thermosetting polymers with improved hardness, durability, and thermal stability for coatings and adhesives.
• Chelating Agent: Functions as an effective metal ion chelator in water treatment and textile processing applications.
• Pharmaceutical Intermediates: Serves as a critical building block in the synthesis of complex active pharmaceutical ingredients (APIs).
• Epoxy Curing Agent: Imparts toughness and chemical resistance to epoxy resin systems.
• Specialty Chemicals: A precursor for manufacturing plasticizers, corrosion inhibitors, and other fine chemicals.

Basic Information

Product Name	1,1,4,4-Butanetetracarboxylic Acid
CAS No.	4435-38-5
Molecular Formula	C8H10O8
Molecular Weight	234.16 g/mol
Synonyms	BTCA; Butane-1,1,4,4-tetracarboxylic Acid; Tetracarboxybutane; 1,1,4,4-Tetracarboxybutane; NSC 163824; Butanetetracarboxylic Acid; 1,1,4,4-Butanetetracarboxylic acid (BTCA)
EINECS	224-646-4

Quality Control

Our 1,1,4,4-Butanetetracarboxylic Acid is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent caking and hydrolysis.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	190 - 195 °C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.