4-(2-Methoxyethyl)Phenol Bulk Procurement Quality Specs
HPLC Assay Validation Against Sigma Aldrich 97% Linear Formula CH3O(CH2)2C6H4OH
When procuring 4-(2-Methoxyethyl)phenol for industrial applications, analytical validation is the primary gatekeeper for quality assurance. At NINGBO INNO PHARMCHEM CO.,LTD., we utilize high-performance liquid chromatography (HPLC) to validate assay purity against established reference standards. The linear formula CH3O(CH2)2C6H4OH represents the target molecular structure, and deviations in the chromatogram often indicate the presence of isomeric impurities or unreacted precursors from the etherification process.
Standard validation protocols require a minimum assay of 97% for general organic synthesis, though pharmaceutical-grade intermediates often demand higher thresholds. Our internal QC protocols involve spike recovery tests to ensure the detector response remains linear across the expected concentration range. This rigorous approach minimizes the risk of downstream synthesis failures, particularly when this compound serves as a critical building block in beta-blocker production.
Defining Purity Grades and Impurity Profiles for 4-(2-Methoxyethyl)phenol Bulk Procurement
Understanding the distinction between industrial and pharmaceutical grades is essential for cost-effective sourcing. In the context of high-purity Metoprolol intermediate manufacturing, the impurity profile is strictly controlled. Common impurities include residual phenol, unreacted methoxyethyl halides, and oxidative byproducts. For general organic synthesis applications, a technical grade may suffice, but regulatory compliance for active pharmaceutical ingredients (APIs) necessitates a tighter impurity window.
Procurement managers should specify the intended application during the request for quotation (RFQ) stage. This allows the manufacturer to align the purification process, such as vacuum distillation or recrystallization, with the required specifications. Misalignment here can lead to batch rejection during incoming quality control at the buyer's facility.
Critical COA Parameters Beyond Density and Melting Point Specifications
While standard Certificates of Analysis (COA) typically list density and melting point, experienced buyers know to look deeper. The physical state of 4-(2-Methoxyethyl)phenol is highly temperature-dependent given its melting point range of 42-45ºC. A critical non-standard parameter we monitor is the crystallization behavior during transit. In winter shipping conditions, ambient temperatures can drop below the melting point, causing the product to solidify within bulk containers.
This phase change can lead to stratification or difficulty in pumping the material upon arrival without proper heating protocols. Furthermore, trace moisture content can accelerate oxidative discoloration, shifting the product from off-white to pinkish hues over time. We recommend requesting water content data (Karl Fischer titration) alongside standard purity metrics to ensure stability during storage.
| Parameter | Standard Specification | Typical Observed Value | Test Method |
|---|---|---|---|
| CAS Number | 56718-71-9 | 56718-71-9 | Verification |
| Molecular Formula | C9H12O2 | C9H12O2 | MS |
| Molecular Weight | 152.19 | 152.19 | Calculation |
| Melting Point | 42-45ºC | 43-44ºC | DSC |
| Boiling Point | 239.9±15.0 °C | 240-242 °C | Distillation |
| Density | 1.1±0.1 g/cm3 | 1.10 g/cm3 | Pychnometer |
| Purity (HPLC) | >97.0% | >98.5% | HPLC |
Bulk Packaging Configurations and Stability Data for CAS 56718-71-9
Physical packaging integrity is paramount for maintaining chemical stability. For bulk procurement, 4-(2-Methoxyethyl)phenol is typically shipped in 210L drums or IBC totes lined with high-density polyethylene (HDPE). Since the compound has a flash point of 97.8±14.6 °C, it requires careful handling during loading, though it is generally classified as non-hazardous for transport under standard conditions. However, nitrogen blanketing is recommended for large-scale storage tanks to prevent oxidative degradation.
Stability data indicates that the compound should be stored in a cool and dry place, ideally below 25°C. For long-term storage, refrigeration at +4°C is advised to maintain color and purity. Procurement teams should verify that the supplier uses desiccants or inert gas headspace in drums to mitigate moisture ingress, which is a common cause of quality degradation during ocean freight.
Structural Verification of CH3O(CH2)2C6H4OH in Industrial Quality Control Batches
Confirming the structural identity of each batch is a non-negotiable step in our quality control workflow. We employ Nuclear Magnetic Resonance (NMR) and Infrared Spectroscopy (IR) to verify the ether linkage and phenolic hydroxyl group positions. This ensures that no structural isomers, such as ortho-substituted variants, are present in the final product. For buyers integrating this material into complex synthesis pathways, reviewing the detailed synthesis route documentation can provide additional confidence in the material's reactivity profile.
Structural verification also extends to checking for heavy metals and residual solvents, which are critical for pharmaceutical applications. Batch-specific spectra should be made available upon request to support regulatory filings.
Frequently Asked Questions
What is the standard lead time for bulk orders of CAS 56718-71-9?
Standard lead times vary based on production schedules and order volume. Typically, ex-stock quantities can be shipped within 7-14 days, while made-to-order batches may require 3-4 weeks. Please refer to the batch-specific COA for current availability.
Can you provide custom packaging for 4-(2-Methoxyethyl)phenol?
Yes, we offer flexible packaging solutions including 25kg drums, 210L drums, and IBC totes. Custom labeling and packaging configurations can be arranged to meet specific logistics requirements.
What documentation is provided with each shipment?
Each shipment includes a comprehensive Certificate of Analysis (COA), Safety Data Sheet (SDS), and a statement of conformity. Additional regulatory documents can be provided upon request based on the destination country.
Is technical support available for process integration?
Our engineering team provides technical support for process integration, including handling recommendations and stability data. Contact our specialists for detailed guidance on storage and usage.
Sourcing and Technical Support
Reliable sourcing of chemical intermediates requires a partner with robust quality control and engineering expertise. NINGBO INNO PHARMCHEM CO.,LTD. is committed to delivering consistent quality and technical transparency for all bulk procurement needs. Partner with a verified manufacturer. Connect with our procurement specialists to lock in your supply agreements.