Description

Tetrabromo-2-Sulfobenzoic Acid Cyclic Anhydride is a high-purity, halogenated organic intermediate of significant industrial importance. This specialized chemical serves as a critical building block in the synthesis of advanced flame retardants and functional polymers. It is essential for manufacturers in the plastics, electronics, and specialty chemical industries seeking to enhance material safety and performance.

Application

• As a key reactive intermediate in the synthesis of brominated flame retardants (BFRs) for engineering plastics and polymers.
• In the production of high-performance, flame-retardant additives for epoxy resins, polycarbonates, and unsaturated polyesters.
• Utilized in the manufacture of specialized dyes, pigments, and photographic chemicals.
• As a sulfonation and bromination agent in advanced organic synthesis for pharmaceuticals and agrochemicals.
• In research and development for creating novel polymeric materials with enhanced fire resistance.

Basic Information

Product Name	Tetrabromo-2-Sulfobenzoic Acid Cyclic Anhydride
CAS No.	68460-01-5
Molecular Formula	C7Br4O4S
Molecular Weight	515.69 g/mol
Synonyms	2-Sulfobenzoic Acid, Tetrabromo-, Cyclic Anhydride; Tetrabromosulfobenzoic Anhydride; 3,4,5,6-Tetrabromo-2-sulfobenzoic-1,3-dihydro-1,1,3-trioxoisobenzofuran; TBSCA; Tetrabromophthalic Sulfonic Anhydride; 1,3-Dihydro-3,4,5,6-tetrabromo-1,1,3-trioxo-2-benzofurancarboxylic Acid; NSC 403116
EINECS	Contact for details

Quality Control

Our Tetrabromo-2-Sulfobenzoic Acid Cyclic Anhydride is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high purity. The product undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee compliance with your technical requirements.

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). Due to its hygroscopic nature, the container must be kept sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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