Heterocycles Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 156002-64-1 |
| Product name | Heterocycles |
| 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for Heterocycles
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Heterocycles Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Heterocycles
| Industry | Application | Process |
|---|---|---|
| Fine Fragrances & Flavors | Synthetic fragrance intermediate | Chemical synthesis for esterification |
| Pharmaceuticals | Pharmaceutical synthesis intermediate | Organic synthesis for heterocyclic compound construction |
| Agrochemicals | Precursor to agrochemical active ingredients | Multistep organic synthesis for introduction of specific functional groups |
| Fine Chemicals | Preparation of specialty chemicals | Catalytic hydrogenation, esterification, or condensation reactions |
Manufacturing Quality Control of Heterocycles
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies main component by retention time and peak area comparison against reference standard. |
| Related Substances | Gas Chromatography (GC) with FID or MS detection | Separates and detects impurities based on volatility and retention behavior relative to main compound. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Electrochemical titration quantifying water via iodine-sulfur dioxide reaction in anhydrous methanol medium. |
| Residue on Ignition | Gravimetric analysis after high-temperature ashing | Measures non-volatile inorganic residue remaining after combustion at 700-800 C. |
| Heavy Metals | ICP-OES (Inductively Coupled Plasma Optical Emission Spectrometry) | Atomizes sample and measures characteristic emission intensities of metal elements. |
| Chloride Content | Ion Chromatography (IC) with conductivity detection | Separates and quantifies chloride ions based on anion exchange and conductivity response. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Neutralizes free acidic groups using standardized sodium hydroxide solution and phenolphthalein indicator. |
| Specific Optical Rotation | Polarimetry | Measures rotation angle of plane-polarized light induced by chiral centers in solution. |
| Refractive Index | Refractometry | Determines ratio of light velocity in air versus sample liquid at specified temperature and wavelength. |
| Density | Digital Density Meter (Oscillating U-tube principle) | Measures sample density via resonant frequency shift of vibrating U-shaped tube filled with sample. |
| Appearance | Visual Inspection in glass container under controlled lighting | Assesses physical state, color, and clarity against established visual reference standards. |
| Boiling Point | Distillation with calibrated thermometer or automated boiling point apparatus | Determines temperature range at which vapor pressure equals atmospheric pressure during controlled heating. |
Technical Specifications of Heterocycles
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.445–1.455 |
| Odor | Characteristic ester-like |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of Heterocycles
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Heterocycles
Packaging of Heterocycles
Industrial Heterocycles 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply