2-METHOXYTETRAHYDROPYRAN Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 6581-66-4 |
| Product name | 2-METHOXYTETRAHYDROPYRAN |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty Grade |
| Packaging | 25L/drum |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for 2-METHOXYTETRAHYDROPYRAN
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-METHOXYTETRAHYDROPYRAN Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-METHOXYTETRAHYDROPYRAN
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Used as a hydroxyl protecting reagent for selective protection of alcohol functional groups in multistep synthesis | Under acidic catalysis (e.g., p-toluenesulfonic acid), reacts with alcohols via acetalization to form 2-methoxytetrahydropyranyl (MOM) ethers; deprotection is subsequently achieved under mild acidic conditions (e.g., PPTS/MeOH) |
| Organic Synthesis | Used as a precursor for aldehyde/ketone protecting groups and as an intermediate for chiral auxiliaries | Participates in asymmetric cyclizations and Diels–Alder reactions to construct oxygen-containing heterocyclic structures; also employed in the preparation of chiral 2-methoxytetrahydropyran derivatives as templates for asymmetric synthesis |
| Pesticide R&D | Used as a structural modification unit to introduce oxygen-containing heterocycles, thereby optimizing lipophilicity and metabolic stability of active molecules | Incorporated into pesticide lead compound scaffolds via substitution, coupling, or ring-opening reactions to enhance membrane permeability and target binding affinity |
Manufacturing Quality Control of 2-METHOXYTETRAHYDROPYRAN
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a calibrated column and flame ionization detector. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent, measuring endpoint current or potential. |
| Acidity (as Acetic Acid) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator or potentiometric endpoint detection. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement | Comparison of sample color to platinum-cobalt standard solutions or measurement of absorbance at 455 nm in a 10 cm cell. |
| Density at 20 degC | Digital Density Meter | Measurement of oscillating U-tube frequency, converted to density via calibration with air and water standards. |
| Refractive Index at 20 degC | Refractometry | Determination of refractive index by measuring angle of light refraction at the liquid-air interface using a calibrated prism instrument. |
| Residue on Evaporation | Gravimetric Analysis | Evaporation of a known sample mass under controlled temperature and pressure, followed by weighing of non-volatile residue. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of metal impurities after acid digestion and chelation, based on absorption of element-specific hollow cathode lamp radiation. |
| Chloride Content | Ion Chromatography (IC) | Separation of chloride anions on an ion-exchange column with suppressed conductivity detection for quantitative analysis. |
| Non-Volatile Residue | Gravimetric Analysis | Evaporation of a fixed volume under nitrogen stream at 105 degC, followed by drying to constant weight and mass difference calculation. |
| Aldehyde Impurities | Derivatization GC-FID or HPLC-UV | Derivatization with 2,4-DNPH followed by separation and quantitation via GC-FID or HPLC-UV detection. |
| Peroxide Value | Iodometric Titration | Oxidation of potassium iodide by peroxides to liberate iodine, titrated with standardized sodium thiosulfate solution using starch indicator. |
Technical Specifications of 2-METHOXYTETRAHYDROPYRAN
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=99.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.435–1.440 |
| Relative Density (20°C/25°C) | 0.885–0.895 g/cm³ |
| Odor | Characteristic mild ether-like odor |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of 2-METHOXYTETRAHYDROPYRAN
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-METHOXYTETRAHYDROPYRAN
Packaging of 2-METHOXYTETRAHYDROPYRAN
Industrial 2-METHOXYTETRAHYDROPYRAN Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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