o-Cresolphthalein Complexone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2411-89-4 |
| Product name | o-Cresolphthalein Complexone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 o-Cresolphthalein Complexone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk o-Cresolphthalein Complexone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of o-Cresolphthalein Complexone
| Industry | Application | Process Description |
|---|---|---|
| Chemical Analysis | Chelating agent for metal ions | Used to chelate metal ions—such as calcium, magnesium, and iron—to form stable complexes for quantitative analysis |
| Environmental Monitoring | Reagent for water quality analysis | Applied in water samples to mask interfering ions, thereby improving measurement accuracy |
| Pharmaceutical Industry | Intermediate in drug synthesis | Acts as a ligand in the synthesis and purification of certain metal-based pharmaceuticals |
| Materials Science | Preparation of functional materials | Employed in the preparation of metal–organic frameworks (MOFs) or functional resins |
| Industrial Cleaning | Additive in cleaning agents | Binds metal ions to prevent precipitation or equipment corrosion during cleaning processes |
Manufacturing Quality Control of o-Cresolphthalein Complexone
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | UV-Vis Spectrophotometry | Quantifies main component based on absorbance at characteristic wavelength (e.g., 540 nm) using molar absorptivity and Beer-Lambert law. |
| Moisture Content | Karl Fischer Titration | Measures water content via stoichiometric reaction between water, iodine, sulfur dioxide, and base in methanol medium. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Determines total heavy metal impurities by atomization and measurement of absorption at specific wavelengths after acid digestion. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic impurities as sulfate ash after high-temperature incineration and weighing. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Quantifies chloride ions via precipitation titration using silver nitrate and silver indicator electrode. |
| Sulfate Impurity | Turbidimetric Method | Measures sulfate as barium sulfate precipitate; turbidity is proportional to sulfate concentration. |
| Iron (Fe) Content | ICP-OES | Determines trace iron after sample digestion by measuring atomic emission intensity at characteristic wavelength. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Measures hydrogen ion activity in a defined aqueous suspension using calibrated glass electrode. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating purity and identity. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separates and quantifies residual solvents or volatile organics using flame ionization detection. |
| Appearance (Color and Clarity) | Visual Inspection against Standard Solutions | Compares solution color and clarity in specified concentration and solvent to established reference standards. |
| Solubility in Ethanol | Qualitative Solubility Test | Evaluates complete dissolution in ethanol under defined conditions (e.g., 1 g in 10 mL at 25 C) by visual observation. |
Technical Specifications of o-Cresolphthalein Complexone
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 194-198°C |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Water Content (KF) | <=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
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Download COA of o-Cresolphthalein Complexone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of o-Cresolphthalein Complexone
Packaging of o-Cresolphthalein Complexone
Industrial o-Cresolphthalein Complexone 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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