tetrahydro-4-methyl-2H-pyran Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4717-96-8 |
| Product name | tetrahydro-4-methyl-2H-pyran |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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 tetrahydro-4-methyl-2H-pyran
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk tetrahydro-4-methyl-2H-pyran Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of tetrahydro-4-methyl-2H-pyran
| Industry | Application | Process |
|---|---|---|
| Fine Fragrances & Flavors | Intermediate for synthetic fragrance compounds, used in formulating fruit- and flower-scented fragrances | Prepared via organic synthesis reactions such as condensation, oxidation, or reduction to construct fragrance molecules |
| Pharmaceuticals | Intermediate for drug synthesis, enabling construction of oxygen-containing heterocyclic active molecules | Serves as a cyclic scaffold precursor in multistep syntheses, with functional group transformations introducing the target compound |
| Agrochemicals | Intermediate for synthesizing certain pesticides or plant growth regulators | Heterocyclic structures with biological activity are built through substitution, addition, and related reactions |
| Organic Synthesis | General-purpose building block for constructing complex molecules | Participates in Diels–Alder reactions, nucleophilic additions, or other cyclization reactions |
Manufacturing Quality Control of tetrahydro-4-methyl-2H-pyran
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component peak area against calibrated standard; uses capillary column and temperature programming. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration with iodine-based reagent reacting stoichiometrically with water. |
| Acidity (as H2SO4) | Acid-Base Titration with NaOH | Neutralizes acidic impurities using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Compares sample color to platinum-cobalt standard solutions using APHA scale at 455 nm. |
| Density at 20 C | Digital Density Meter | Measures mass per unit volume using oscillating U-tube principle with temperature-controlled cell. |
| Refractive Index at 20 C | Refractometry | Determines ratio of light velocity in air vs. sample using Abbe refractometer or digital equivalent. |
| Boiling Point Range | Distillation (Micro or Semi-micro) | Determines temperature interval over which 90% of sample distills under controlled atmospheric pressure. |
| Heavy Metals (as Pb) | ICP-OES | Quantifies trace metals after acid digestion by measuring atomic emission intensities at element-specific wavelengths. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride anions using conductivity detection after suppressed eluent system. |
| Non-Volatile Residue | Evaporation and Gravimetry | Evaporates known volume to dryness at controlled temperature, then weighs residual solids. |
| Odor | Sensory Evaluation | Assesses presence and intensity of off-odor by trained personnel against reference standards under defined conditions. |
Technical Specifications of tetrahydro-4-methyl-2H-pyran
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.5% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.430–1.435 |
| Relative Density (20°C/25°C) | 0.850–0.860 g/cm³ |
| 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-4-methyl-2H-pyran
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of tetrahydro-4-methyl-2H-pyran
Packaging of tetrahydro-4-methyl-2H-pyran
Industrial tetrahydro-4-methyl-2H-pyran 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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