Bromoxylenol Blue Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 40070-59-5 |
| Product name | Bromoxylenol Blue |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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) |
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Documents We Provide for Bromoxylenol Blue
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Bromoxylenol Blue Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Bromoxylenol Blue
| Industry | Application | Process |
|---|---|---|
| Analytical Chemistry | Acid-base indicator | Used in titration analysis to indicate the endpoint within the pH range of 3.0–4.6 via a color change (yellow → blue) |
| Environmental Monitoring | Water quality pH testing | Added in trace amounts to water samples for pH determination by colorimetry |
| Educational & Research Laboratories | Teaching indicator for laboratory instruction | Applied in chemistry teaching experiments to demonstrate acid-base titration and indicator color-change principles |
| Biochemistry | Assisting agent for protein electrophoresis staining | Employed as a pH indicator in certain gel electrophoresis applications to monitor buffer system stability |
Manufacturing Quality Control of Bromoxylenol Blue
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color and condition of the sample. Qualified products should be brownish red or dark red powder, free from visible impurities. |
| Identification | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Determine the maximum absorption wavelength (λ_max) in a specified solvent (e.g., ethanol or water-ethanol mixture), typically showing characteristic absorption peaks near 430 nm and 590 nm for structural confirmation. |
| Content Determination | Ultraviolet-Visible Spectrophotometry | Measure absorbance at a specific wavelength (e.g., 590 nm), using standard curve method or molar absorptivity to calculate the content of the active ingredient. |
| Loss on Drying | Gravimetric Method (Oven Method) | Dry the sample at 105°C until constant weight, calculate the moisture and volatile matter content based on the weight loss, generally required to be ≤1.0%. |
| Residue on Ignition (Sulfated Ash) | Gravimetric Method (High-Temperature Incineration) | Treat the sample with sulfuric acid and incinerate at high temperature (about 600–800°C), weigh the residue to assess the inorganic impurity content, usually required to be ≤0.5%. |
| pH Value | pH Meter Measurement | Prepare a solution of certain concentration (e.g., 0.04% aqueous solution), measure its acidity or alkalinity using a pH meter; the normal range is approximately 4.0–6.0. |
| Maximum Absorption Wavelength and Absorbance Ratio | UV-Vis Spectroscopy | Determine the maximum absorption wavelength and absorbance ratio under different pH conditions (e.g., acidic and basic) to verify the indicator's performance. |
| Heavy Metal Content | Atomic Absorption Spectrometry (AAS) or Colorimetric Method | Process the sample according to pharmacopoeia methods to detect heavy metal impurities such as lead and arsenic; total heavy metals are generally required to be ≤20 ppm. |
| Organic Solvent Residue | Gas Chromatography (GC) | If organic solvents are used in the production process, GC is used to detect residual amounts of solvents such as ethanol and acetone, complying with ICH limits. |
| Purity (Related Substances) | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase HPLC system to detect the purity of the main peak and impurity peaks, evaluate the proportion of single components; generally, the purity requirement is ≥95%–98%. |
Technical Specifications of Bromoxylenol Blue
| Test Item | Specification |
|---|---|
| Appearance | Dark blue to purple crystalline powder |
| Purity | >=98.5% |
| Melting Point | 265-270°C (decomposes) |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Soluble in ethanol, methanol, and aqueous alkali; practically insoluble in water |
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 Bromoxylenol Blue
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Bromoxylenol Blue
Industrial Bromoxylenol 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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