Direct Blue 86 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1330-38-7 |
| Product name | Direct Blue 86 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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 Direct Blue 86
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Direct Blue 86 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Direct Blue 86
| Industry | Application | Process |
|---|---|---|
| Textile Dyeing & Printing | Direct dyeing of cotton, linen, and viscose rayon | Exhaust dyeing, jigger dyeing, or pad dyeing at pH 6–7 and 80–100°C; salt is commonly added to promote dye uptake |
| Papermaking | Coloring paper (e.g., colored paper, decorative paper) | Addition to pulp (wet-end application) or surface sizing/coating |
| Leather Processing | Dyeing leather, particularly light leathers | Exhaust dyeing at pH 4–6 and 40–50°C; typically used in conjunction with a fixing agent |
| Biological Staining | Nuclear staining in histology and microbiology (as a hematoxylin substitute) | Counterstaining step in standard H&E staining procedures to differentiate nuclei from cytoplasm |
Manufacturing Quality Control of Direct Blue 86
| Detection Item | Common Detection Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, physical state (powder or granules), and presence of impurities or agglomeration in the dye sample to determine whether its appearance meets the specified standards. |
| Shade and Strength | Spectrophotometry / Colorimetry | Dissolve the sample into a solution of defined concentration and measure absorbance at the maximum absorption wavelength (typically 580–620 nm) using a spectrophotometer, comparing with a standard reference to evaluate shade and relative intensity. |
| Content (Purity) | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Measure absorbance at a specific wavelength and calculate the content of the active dye component using a calibration curve to assess product purity. |
| Moisture Content | Drying Weight Loss Method | Dry the sample at 105±2°C until constant weight is achieved, and calculate moisture content based on the mass loss. |
| Water-Insoluble Matter | Filtration and Gravimetric Method | Dissolve the sample in hot water, filter out insoluble residues, dry the residue, and weigh it to calculate the percentage of water-insoluble matter. |
| pH Value | pH Meter Method | Prepare a dye solution at a specified concentration (e.g., 1%) and measure its acidity or alkalinity using a pH meter to verify compliance with specified limits. |
| Solubility | Visual Dissolution Method | Dissolve the dye in water at a specified temperature and observe its dissolution rate and clarity to evaluate solubility performance. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After sample digestion, determine the concentrations of hazardous heavy metals such as lead, cadmium, chromium, and mercury to ensure compliance with environmental standards. |
| Organic Impurities / Intermediates | High-Performance Liquid Chromatography (HPLC) | Separate the main component from by-products or intermediates using HPLC and quantify impurity levels to assess purity. |
| Leveling / Application Performance | Dyeing Test Method | Dye cotton fabric under standardized conditions to evaluate dye uptake, leveling, and colorfastness properties. |
Technical Specifications of Direct Blue 86
| Test Item | Specification |
|---|---|
| Appearance | Dark blue to black powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Soluble in water with blue to violet shade; insoluble in ethanol and ether |
| Color (APHA/Pt-Co) | Not applicable (solid) |
| Odor | Characteristic faint aromatic odor |
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 Direct Blue 86
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Direct Blue 86
Industrial Direct Blue 86 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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