Sodium Thymol Blue Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 62625-21-2 |
| Product name | Sodium Thymol Blue |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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 Sodium Thymol Blue
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Sodium Thymol Blue Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Sodium Thymol Blue
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Acid-base indicator for drug analysis and formulation testing | Exhibits color change in solution with pH variation (yellow under acidic conditions, blue under alkaline conditions); used in titration analysis or pH monitoring |
| Biochemistry | pH indicator in molecular biology experiments | Commonly employed in gel electrophoresis buffers or culture media to monitor system pH changes |
| Education & Research | Acid-base indicator for chemistry laboratory instruction and research | Serves as a visual tool to demonstrate acid-base reactions and titration processes |
| Environmental Monitoring | pH determination in water quality testing | Enables rapid estimation of sample pH range via visual comparison against standard color charts |
| Cosmetics | pH adjustment indicator for formulation stability assessment | Used during cosmetic formulation development to observe pH shifts, ensuring product safety and efficacy |
Manufacturing Quality Control of Sodium Thymol Blue
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Thymol Blue Sodium Salt Content) | UV-Vis Spectrophotometry | Quantification based on absorbance at characteristic wavelength (e.g., 598 nm) using a calibrated standard curve. |
| Loss on Drying (LOD) | Gravimetric Analysis | Mass loss measured after drying at 105 C for 2 hours under controlled humidity and atmospheric pressure. |
| Residue on Ignition | Gravimetric Analysis | Weight of inorganic residue remaining after ashing at 600 C in a muffle furnace. |
| Chloride Impurity | Potentiometric Titration with Silver Nitrate | Titration using AgNO3 solution; endpoint detected by silver ion-selective electrode. |
| Sulfate Impurity | Turbidimetric Method | Reaction with barium chloride under acidic conditions to form BaSO4 precipitate; quantified by light scattering. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion, using lead as the reference metal. |
| Iron Impurity | UV-Vis Spectrophotometry (1,10-Phenanthroline Method) | Formation of orange-red Fe(II)-phenanthroline complex; absorbance measured at 510 nm. |
| pH of Aqueous Solution (1% w/v) | pH Potentiometry | Measurement using calibrated pH meter in deionized water suspension at 25 C. |
| Solubility in Water | Visual Inspection and Filtration | Assessment of complete dissolution in specified volume of water at 20 C, followed by filtration to detect insoluble residue. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and quantification of residual solvents using flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine volumetric particle size distribution. |
| Microbial Contamination | Membrane Filtration and Plate Count | Enumeration of aerobic mesophilic microorganisms after filtration and incubation on soybean-casein digest agar. |
Technical Specifications of Sodium Thymol Blue
| Test Item | Specification |
|---|---|
| Appearance | Light pink to purple crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
| Solubility | Freely soluble in water; slightly soluble in ethanol |
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 Sodium Thymol Blue
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| Lot/Batch Number | *Required fields | |
NMR Spectra of Sodium Thymol Blue
Packaging of Sodium Thymol Blue
Industrial Sodium Thymol Blue 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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