Description

4,4,5,5-Tetrachlorospiro[2.2]Pentane-1-Carboxylic Acid is a high-value, multifunctional chlorinated spirocyclic compound that serves as a critical synthetic intermediate. Its unique sterically hindered structure and reactive carboxylic acid group make it an essential building block for advanced chemical synthesis. This product is primarily utilized by research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty materials sectors.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for complex spirocyclic and polyhalogenated drug candidates.
• Agrochemical Synthesis: Building block for developing new-generation herbicides, fungicides, and insecticides with enhanced stability and efficacy.
• Ligand and Catalyst Development: Used to create sophisticated chiral ligands and organocatalysts for asymmetric synthesis.
• Polymer & Material Science: Monomer for synthesizing specialty polymers with unique thermal, mechanical, or optical properties.
• Organic Synthesis Research: Versatile reagent for constructing complex carbon frameworks in academic and industrial R&D laboratories.
• Fluorinated Compound Synthesis: Intermediate in the preparation of more complex molecules where chlorine atoms can be substituted for fluorine.

Basic Information

Product Name	4,4,5,5-Tetrachlorospiro[2.2]Pentane-1-Carboxylic Acid
CAS No.	1788041-68-8
Molecular Formula	C7H4Cl4O2
Molecular Weight	275.92 g/mol
Synonyms	1-Carboxy-4,4,5,5-tetrachlorospiro[2.2]pentane; Tetrachlorospiropentane-1-carboxylic Acid; Spiro[2.2]pentane-1-carboxylic acid, 4,4,5,5-tetrachloro-; 4,4,5,5-Tetrachlorospiro[2.2]pentane-1-carboxylic acid; 1788041-68-8; TCSPA
EINECS	Contact for details

Quality Control

Our production of 4,4,5,5-Tetrachlorospiro[2.2]Pentane-1-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. All materials are fully characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition. Due to its nature as a strong acid/organic solvent, handle with appropriate personal protective equipment in a fume hood.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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