Description

Hydrogen Pentachloromethoxyantimonate(1-) is a specialized organoantimony compound with the CAS number 44628-70-8. This chemical is valued for its role as a potent Lewis acid catalyst and a versatile reagent in advanced synthetic chemistry. It is primarily sought by research and development laboratories and industrial manufacturers in the fine chemical and pharmaceutical sectors for the synthesis of complex organic molecules and materials.

Application

• Catalyst in Organic Synthesis: Acts as a highly effective Lewis acid catalyst for Friedel-Crafts alkylation and acylation reactions.
• Polymerization Initiator: Used in the controlled polymerization of specific monomers to produce specialty polymers with tailored properties.
• Pharmaceutical Intermediate: Serves as a key reagent in the multi-step synthesis of active pharmaceutical ingredients (APIs).
• Material Science Research: Employed in the development of novel inorganic-organic hybrid materials and advanced coatings.
• Flame Retardant Synergist: Investigated for use in combination with other compounds to enhance flame retardant efficacy in plastics and textiles.
• Specialty Chemical Manufacturing: A critical precursor for the production of other antimony-based fine chemicals and catalysts.

Basic Information

Item	Detail
Product Name	Hydrogen Pentachloromethoxyantimonate(1-)
CAS No.	44628-70-8
Molecular Formula	CHCl5O-Sb
Molecular Weight	Contact for details
Synonyms	Pentachloromethoxyantimonate(1-); Hydrogen pentachloromethoxoantimonate; Antimony, pentachloromethoxy-, ion(1-); Chloromethoxyantimonate anion; HSDB 8068 (related entry)
EINECS	Contact for details

Quality Control

Our production of Hydrogen Pentachloromethoxyantimonate(1-) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, this material must be stored in a cool, dry place under an inert atmosphere. Recommended storage temperature is 2-8°C for long-term stability. Keep the container tightly sealed in a desiccator when not in use.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to reference spectrum
Assay (Titration)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Chloride Content	Confirmatory test

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