TETRAHYDRO-2H-PYRAN-3-OL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 19752-84-2 |
| Product name | TETRAHYDRO-2H-PYRAN-3-OL |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 TETRAHYDRO-2H-PYRAN-3-OL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk TETRAHYDRO-2H-PYRAN-3-OL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of TETRAHYDRO-2H-PYRAN-3-OL
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Pharmaceutical Intermediates | Serves as a key chiral building block in the synthesis of proteasome inhibitors (e.g., carfilzomib), contributing to the structural assembly of drug molecules. |
| Pharmaceutical R&D | Chiral Synthesis Building Blocks | Functions as a chiral source or chiral auxiliary in asymmetric synthesis reactions to construct drug molecules with defined stereochemistry. |
| Chemical Synthesis | Chemical Reagents | Acts as an organic synthesis intermediate in etherification, esterification, or redox reactions for the preparation of other pyran derivatives. |
| Materials Science | Functional Monomers | Used in the synthesis of stereospecific polymers or functional polymers to enhance material physical properties. |
Manufacturing Quality Control of TETRAHYDRO-2H-PYRAN-3-OL
| 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 under validated chromatographic conditions. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via reaction with iodine and sulfur dioxide in pyridine-methanol medium. |
| Acidity (as Acetic Acid) | Acid-Base Titration with NaOH | Neutralization of acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue remaining after high-temperature incineration of a sample. |
| Color | Visual Comparison Against APHA Scale | Subjective assessment of liquid color intensity by matching against standardized platinum-cobalt reference solutions. |
| Specific Gravity | Digital Density Meter | Measurement of mass per unit volume at specified temperature using oscillating U-tube principle. |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface to infer purity and concentration. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using conductivity detection after ion exchange. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals by atomization and absorption measurement at characteristic wavelengths. |
| Residual Solvents (e.g., THF, MeOH) | Headspace Gas Chromatography (HS-GC) | Extraction and analysis of volatile solvents from equilibrium vapor phase above sample. |
| Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light caused by chiral molecules in solution. |
| Non-Volatile Residue | Evaporation and Gravimetry | Weighing of residue after gentle evaporation of sample under controlled temperature and vacuum. |
Technical Specifications of TETRAHYDRO-2H-PYRAN-3-OL
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.445–1.455 |
| Optical Rotation | -5.0° to +5.0° (c=1, in CHCl3) |
| Odor | Characteristic 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 TETRAHYDRO-2H-PYRAN-3-OL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of TETRAHYDRO-2H-PYRAN-3-OL
Packaging of TETRAHYDRO-2H-PYRAN-3-OL
Industrial TETRAHYDRO-2H-PYRAN-3-OL 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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