2-Iodotoluene Bulk Price & COA Verification Guide
Critical Specifications for 2-Iodotoluene
When evaluating 2-Iodotoluene (CAS: 615-37-2) for industrial applications, procurement managers must look beyond basic purity claims. This halogenated aromatic compound, also known as 1-iodo-2-methylbenzene or o-Methyliodobenzene, serves as a vital intermediate in complex organic synthesis. The physical properties dictate handling protocols and reactor compatibility. Industry-standard specifications typically cite a density around 1.71 g/mL and a boiling point range between 210°C and 212°C at atmospheric pressure. However, reliance on generic data sheets without batch verification can lead to process inconsistencies.
The following table outlines typical technical parameters found in high-grade commercial supplies. Note that specific values may fluctuate slightly based on the manufacturing process and purification methods employed.
| Parameter | Typical Industry Standard | Verification Method |
|---|---|---|
| Assay (GC) | 97.5% - 98.5% min | Gas Chromatography |
| Density | 1.710 - 1.713 g/mL | ASTM D4052 |
| Boiling Point | 210°C - 212°C | Distillation Range |
| Refractive Index | 1.608 - 1.610 (n20/D) | Refractometry |
| Flash Point | 90°C (194°F) | Pensky-Martens |
| Appearance | Orange to Yellow Liquid | Visual Inspection |
From a field engineering perspective, one non-standard parameter often overlooked in basic COAs is the thermal behavior during cold-chain logistics. The estimated melting point of ortho-iodotoluene is approximately 11.27°C. In winter shipping scenarios, ambient temperatures in transit hubs can drop below this threshold, causing the material to crystallize or solidify within 210L drums or IBC totes. This phase change impacts viscosity significantly, making pumping difficult upon arrival without controlled warming. Procurement teams should specify heating requirements or insulated packaging if shipping during colder months to ensure the liquid remains flowable for immediate intake.
Addressing 2-Iodotoluene Bulk Price Coa Verification Challenges
Verifying the Certificate of Analysis (COA) against the bulk price quoted is a critical step in risk management. Lower pricing often correlates with reduced purification cycles, which may leave behind isomeric impurities such as 3-iodotoluene or 4-iodotoluene. These trace impurities can affect final product color during mixing or interfere with catalytic cycles in downstream reactions. When reviewing a COA, ensure the chromatography method distinguishes between positional isomers, not just total purity.
At NINGBO INNO PHARMCHEM CO.,LTD., we emphasize transparency in batch-specific data. A valid COA must include the batch number, manufacturing date, and exact assay percentages rather than range estimates. For buyers seeking reliable supply chains, verifying the high purity 2-iodotoluene liquid specifications against your internal quality control standards is essential. Discrepancies in refractive index or density often signal contamination with solvent residues or unreacted starting materials, which can compromise safety profiles given the material's combustible liquid classification (Flash Point 90°C).
Furthermore, light sensitivity is a key stability factor. The material should be stored in amber glass or opaque containers at ambient temperatures to prevent degradation. If the COA indicates a color shift beyond the typical orange to yellow spectrum upon receipt, it may suggest exposure to UV light during storage or transit, potentially altering the chemical reactivity.
Global Sourcing and Quality Assurance
Securing a stable supply of 2-methyliodobenzene requires a manufacturer with robust quality assurance systems. Global sourcing involves navigating various logistics frameworks while maintaining chemical integrity. Packaging must comply with international hazardous goods transport regulations, ensuring that drums are sealed against moisture and light. While we focus on physical packaging integrity and safe shipping methods, buyers should confirm that the supplier provides up-to-date Safety Data Sheets (SDS) with every shipment.
For R&D teams utilizing this intermediate in cross-coupling reactions, consistency is paramount. Variations in iodine content or trace metal residues can impact catalyst turnover. We recommend reviewing technical literature regarding the palladium coupling synthesis route to understand how specific impurity profiles might influence your yield. Quality assurance extends beyond the factory gate; it includes verifying that the logistics partner handles hazardous chemicals appropriately to prevent container damage or leakage.
Long-term supply agreements should include clauses for batch consistency and priority allocation during market shortages. By partnering with a dedicated chemical supplier, organizations can mitigate the risk of production halts due to raw material variability.
Frequently Asked Questions
What is the typical assay purity for industrial grade 2-Iodotoluene?
Industrial grade material typically maintains an assay purity of 97.5% minimum as determined by Gas Chromatography (GC). However, for sensitive pharmaceutical applications, higher purity grades may be required. Please refer to the batch-specific COA for exact figures.
How should 2-Iodotoluene be stored to maintain stability?
The chemical is light-sensitive and should be stored in opaque containers at ambient temperatures. Avoid exposure to direct sunlight or UV sources to prevent color degradation and potential chemical instability.
What packaging options are available for bulk orders?
Standard bulk packaging includes 210L drums and IBC totes. Custom packaging solutions can be discussed based on volume requirements and specific logistics constraints.
Does the bulk price include COA and SDS documentation?
Yes, comprehensive documentation including the batch-specific COA and SDS is provided with every shipment to ensure compliance with your internal quality and safety protocols.
How do trace impurities affect downstream synthesis?
Trace isomeric impurities can affect reaction kinetics and final product color. It is crucial to verify the impurity profile on the COA if your process involves sensitive catalytic steps.
Sourcing and Technical Support
Reliable procurement of chemical intermediates demands a partner who understands both the technical specifications and the logistical challenges of hazardous materials. NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing consistent quality and transparent documentation for all bulk orders. We prioritize physical packaging safety and accurate data reporting to support your production efficiency. To request a batch-specific COA, SDS, or secure a bulk pricing quote, please contact our technical sales team.