2243-35-8 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2243-35-8 |
| Product name | 2243-35-8 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeIndustrial GradeSpecialty GradeCosmetic GradeFood Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| 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 2243-35-8
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2243-35-8 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2243-35-8
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of antibiotic and antipyretic-analgesic intermediates | Used as a raw material in condensation and acylation reactions |
| Organic Synthesis | Construction of heterocyclic compounds or functional molecular scaffolds | Applied in rearrangement and cyclization reactions to prepare target compounds |
| Fine Fragrances | Preparation of fragrance and flavor additive precursors | Hydrolysis or transesterification to generate specific aroma components |
| Research & Development | Chemical reagent and model compound for reaction mechanism studies | Laboratory-scale synthesis and characterization analysis |
Manufacturing Quality Control of 2243-35-8
| 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 carrier gas. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against a white background under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid using capillary tube and calibrated thermometer. |
| Loss on Drying | Gravimetric Analysis (105 C, 2 h) | Measurement of mass loss after drying under specified temperature and time to assess volatile content and residual solvents. |
| Residue on Ignition | Sulfated Ash Gravimetry | Calcination of sample followed by sulfuric acid treatment and weighing of inorganic residue to determine inorganic impurities. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals via flame or graphite furnace AAS after acid digestion and matrix matching. |
| Related Substances | High-Performance Liquid Chromatography (HPLC) with UV detection | Separation and quantification of structurally similar impurities using reversed-phase column and UV absorbance at 254 nm. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration with iodine generated in situ to quantify water based on stoichiometric reaction with Karl Fischer reagent. |
| Acid Value | Acid-Base Titration (NaOH, phenolphthalein) | Neutralization of acidic impurities with standardized sodium hydroxide solution to determine milligrams of KOH per gram of sample. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution to confirm chiral purity or identity. |
| Solvent Residues | Headspace Gas Chromatography (HS-GC) | Quantification of residual solvents (e.g., acetone, ethyl acetate) using equilibrium vapor phase analysis and FID detection. |
Technical Specifications of 2243-35-8
| Test Item | Specification |
|---|---|
| Appearance | Yellow powder |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 62–66°C |
| Identification (NMR) | Conforms to reference spectrum |
| Identification (IR) | Conforms to reference spectrum |
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 2243-35-8
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2243-35-8
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Industrial 2243-35-8 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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