687-69-4 Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 687-69-4 |
| Product name | 687-69-4 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent GradeCosmetic GradeFood Grade |
| Packaging | 25KG/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) |
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 687-69-4
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 687-69-4 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 687-69-4
| Industry | Application | Process |
|---|---|---|
| Food Industry | Flavor enhancer | Added to food products following chemical synthesis or enzymatic production |
| Pharmaceutical Industry | Raw material for synthetic peptide drug manufacturing | Used in peptide drug preparation via chemical synthesis or solid-phase synthesis |
| Cosmetics Industry | Humectant and skin-conditioning agent | Incorporated into emulsion systems or aqueous formulations |
| Analytical Reagents | Reference standard for laboratory analysis | Employed as an analytical reagent after high-precision purification |
Manufacturing Quality Control of 687-69-4
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Related Substances | HPLC with UV detection | Separation and quantification of structurally similar impurities using gradient elution and UV absorbance. |
| Water Content | Karl Fischer titration | Electrochemical titration measuring water via reaction with iodine, sulfur dioxide, and base in methanol. |
| Residue on Ignition | Gravimetric analysis | Mass determination of non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| Heavy Metals | ICP-OES | Multi-element quantification of metallic impurities by measuring atomic emission intensities in plasma. |
| Chloride | Potentiometric titration with AgNO3 | Endpoint detection via silver electrode potential shift during precipitation of AgCl. |
| Sulfate | Turbidimetric assay | Quantification of sulfate as barium sulfate precipitate measured by light scattering. |
| pH (1% aqueous solution) | pH meter measurement | Direct potentiometric measurement using calibrated glass electrode in standardized aqueous solution. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral molecules in solution. |
| Loss on Drying | Thermogravimetric analysis | Mass loss determined after drying at 105 C for 2 hours under controlled atmospheric conditions. |
| Microbial Limits | Membrane filtration and colony counting | Viable microorganisms captured on filter membrane, then cultured and enumerated on appropriate media. |
| Appearance (Color and Clarity) | Visual inspection against standards | Comparison of solution color and clarity to established reference standards under controlled lighting. |
Technical Specifications of 687-69-4
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by NMR) |
| Water Content (KF) | <=0.5% |
| Melting Point | 168-172°C |
| Optical Rotation | +50.5 to +52.5° (c=1, H2O) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 687-69-4
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 687-69-4
Packaging of 687-69-4
Industrial 687-69-4 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