Industrial Purity 1-Chloro-7-Iodoheptane COA Specifications and Technical Data
- Critical Physical Constants: Boiling point at 95 °C (2 Torr) and density of 1.494 g/cm³ require precise distillation monitoring.
- Purity Standards: Industrial applications demand ≥98% purity to minimize side reactions in complex organic synthesis.
- Quality Assurance: Comprehensive COA verification ensures batch consistency for scalable manufacturing processes.
In the realm of advanced organic synthesis, the reliability of halogenated intermediates dictates the success of downstream pharmaceutical and agrochemical production. 1-Chloro-7-iodoheptane (CAS: 99669-96-2) serves as a vital asymmetric dihalide, functioning as a versatile chemical building block for constructing long-chain architectures. For process chemists and procurement specialists, understanding the nuanced specifications within a Certificate of Analysis (COA) is paramount to ensuring reaction efficiency and final product quality.
This technical overview dissects the critical parameters associated with this alkyl halide, focusing on industrial purity standards, physical constants, and the rigorous quality control measures employed by leading suppliers like NINGBO INNO PHARMCHEM CO.,LTD. Maintaining strict adherence to these specifications prevents costly batch failures and ensures optimal yields in multi-step synthesis routes.
Technical Specifications and Physical Constants
The molecular structure of this compound, defined by the formula C7H14ClI, presents specific challenges regarding stability and handling. The presence of both chloro and iodo functionalities on opposite ends of the heptane chain creates a dipole that influences boiling point and solubility. Accurate knowledge of these physical properties is essential for designing purification protocols, such as vacuum distillation, which is often required to achieve high-purity grades suitable for sensitive catalytic reactions.
The following table outlines the standard technical specifications expected for industrial-grade material. Deviations from these values often indicate contamination with mono-halogenated byproducts or residual solvents.
| Parameter | Specification | Significance |
|---|---|---|
| CAS Number | 99669-96-2 | Unique identifier for regulatory compliance |
| Molecular Formula | C7H14ClI | Confirms stoichiometry and molecular weight |
| Molecular Weight | 260.54 g/mol | Critical for molar calculations in reaction scaling |
| Boiling Point | 95 °C (at 2 Torr) | Defines vacuum distillation parameters |
| Density | 1.494 ± 0.06 g/cm³ | Used for volume-to-mass conversions and phase separation |
| Purity (GC/HPLC) | ≥ 98.0% | Minimizes side reactions in coupling processes |
Comparing 95% Versus 98% Industrial Purity Standards
Market availability often includes grades ranging from 95% to 99% purity. While a 95% grade may suffice for preliminary research or non-critical exploratory chemistry, commercial manufacturing necessitates higher standards. Impurities in lower-grade materials, such as 1,7-diiodoheptane or 1,7-dichloroheptane, can act as competitive substrates during nucleophilic substitution. This competition reduces overall reaction yields and complicates downstream purification.
For large-scale production, the cost benefit of purchasing higher purity material often outweighs the expense of additional purification steps. A robust manufacturing process integrates strict incoming quality control to verify that the industrial purity meets the threshold required for the specific synthesis route being employed. Suppliers capable of consistently delivering ≥98% purity reduce the risk of catalyst poisoning in metal-mediated coupling reactions.
Application as an Organic Linker
As an asymmetric alkyl halide, this compound is frequently utilized as an organic linker to introduce a seven-carbon spacer between functional groups. The differential reactivity between the iodine and chlorine atoms allows for selective functionalization. Typically, the iodine moiety is more reactive towards nucleophilic attack or metal insertion, allowing chemists to functionalize one end of the chain while preserving the chloro group for subsequent steps.
This selectivity is crucial in the synthesis of pharmaceutical intermediates where chain length and terminal functionality dictate biological activity. When scaling these reactions, batch-to-batch consistency becomes a critical metric. Variations in the ratio of chloro to iodo species can lead to unpredictable kinetics, making the selection of a reliable global manufacturer essential for supply chain stability.
Certificate of Analysis Verification Protocols
A comprehensive COA is more than a document; it is a guarantee of chemical integrity. Key elements to verify on a COA for this product include the method of analysis (typically GC or HPLC), the reference standards used, and the specific impurity profile. Advanced suppliers provide data on residual solvents and heavy metals, adhering to ICH guidelines where applicable.
Procurement teams should request batch-specific COAs prior to shipment. Verification protocols should include cross-referencing the CAS number and checking the physical appearance description, which should be a clear colorless to slightly yellow liquid. Discoloration can indicate iodine liberation due to exposure to light or heat, signaling potential degradation.
Bulk Procurement and Supply Chain Reliability
Securing a stable supply of specialized intermediates requires partnership with manufacturers who prioritize quality control and logistical efficiency. When sourcing high-purity 1-Chloro-7-iodoheptane, buyers should evaluate the supplier's capacity for bulk production and their ability to maintain cold-chain or light-protected shipping if necessary.
NINGBO INNO PHARMCHEM CO.,LTD. stands as a premier partner in this sector, offering scalable solutions for clients requiring metric-ton quantities. Their commitment to technical excellence ensures that every batch meets rigorous specifications, supporting seamless integration into complex production lines. By leveraging established manufacturing capabilities, they mitigate the risks associated with supply disruptions and quality variance.
Conclusion
The successful implementation of 1-Chloro-7-iodoheptane in industrial applications hinges on strict adherence to technical specifications and purity standards. From boiling point constraints to the critical need for asymmetric halogen reactivity, every parameter influences the final outcome of the synthesis. By prioritizing verified COA data and partnering with established manufacturers, organizations can ensure high yields and consistent product quality.
For projects demanding reliable bulk price structures and uncompromising quality, engaging with a dedicated chemical partner is the optimal strategy. Ensuring the integrity of this chemical building block safeguards the entire production workflow, from initial coupling to final API formulation.