Description

Triphenylantimony Oxide is an organometallic compound featuring an antimony atom coordinated by three phenyl groups and an oxygen atom. This compound serves as a versatile intermediate and catalyst in advanced material synthesis and specialty polymer production. It is particularly valuable for industries requiring flame retardancy, polymerization control, or specific metal-organic frameworks. Key sectors utilizing this material include polymer additives, catalyst manufacturing, and advanced chemical research.

Application

• Flame Retardant Synergist: Acts as a co-additive with halogenated compounds to enhance flame retardant efficiency in plastics, textiles, and coatings.
• Polymerization Catalyst: Used as a catalyst or catalyst component in the synthesis of polyesters, polycarbonates, and other condensation polymers.
• Stabilizer for PVC: Functions as a heat stabilizer in polyvinyl chloride (PVC) formulations to prevent degradation during processing.
• Precursor for Antimony Compounds: Serves as a key starting material for the synthesis of other organoantimony derivatives and complexes.
• Wood Preservative Component: Employed in formulations to protect wood from fungal decay and insect damage.
• Ceramic & Glass Frit Additive: Used to modify properties such as refractive index and thermal expansion in specialty glasses and ceramics.
• Research & Development: Utilized in academic and industrial R&D for developing new catalysts, materials, and organic synthesis methodologies.

Basic Information

Product Name	Triphenylantimony Oxide
CAS No.	4756-75-6
Molecular Formula	C18H15OSb
Molecular Weight	387.08 g/mol
Synonyms	Antimony, oxotriphenyl-; Oxotriphenylstibine; Triphenylstibine oxide; Stibine, oxotriphenyl-; Triphenylantimony(V) oxide; Phenyldistibinic acid anhydride (derivative); EINECS 225-293-6
EINECS	225-293-6

Quality Control

Our Triphenylantimony Oxide is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer and industry specifications. We provide full traceability and support with regulatory documentation. Certificates of Analysis (COA) detailing all test results are available upon request.

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 tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Sb content)	≥ 98.0 %
Melting Point	118 - 122 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1 %

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