Aniline Blue Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 28631-66-5 |
| Product name | Aniline Blue |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Aniline Blue
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Aniline Blue Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Aniline Blue
| Industry | Application | Process |
|---|---|---|
| Biomedical/Research | Tissue section stain | Used for staining connective tissue, fungi, and central nervous system tissue; commonly employed as a component of Mallory’s trichrome staining method for specific collagen fiber staining. |
| Textile Industry | Wool and silk dyeing | Applied as an acid dye in acidic dye baths to color protein fibers (wool, silk), imparting a blue hue. |
| Microscopy | Microscopic specimen preparation | Used in preparing biological specimens for microscopic examination to enhance contrast of cellular and tissue structures. |
Manufacturing Quality Control of Aniline Blue
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, physical state, and presence of impurities. High-quality aniline blue should be a uniform blue powder or crystalline solid, free from visible foreign matter. |
| Assay (Content Determination) | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Quantify concentration by measuring absorbance at the maximum wavelength (typically around 600–620 nm) using a calibration curve. |
| Solubility | Solubility Test | Dissolve the sample in solvents such as water and ethanol to observe solubility behavior. Aniline blue should be readily soluble in water, slightly soluble in ethanol, and insoluble in non-polar solvents. |
| pH Value | pH Meter Method | Prepare an aqueous solution of defined concentration and measure its pH using a pH meter to assess its impact on application systems. |
| Impurity Limits | Thin-Layer Chromatography (TLC) | Separate potential impurities using TLC; compare Rf values with reference standards to evaluate purity and identify impurity types. |
| Loss on Drying | Oven Drying Method | Dry the sample at a specified temperature (e.g., 105°C) until constant weight is achieved; calculate the percentage weight loss to determine moisture and volatile content. |
| Sulfated Ash / Residue on Ignition | Sulfated Ashing Method | Ignite the sample at high temperature, then weigh the residue to calculate the content of non-volatile inorganic impurities, indicating product purity. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Determine residual levels of heavy metals such as lead, arsenic, and mercury to ensure compliance with safety standards (e.g., pharmacopoeial or food/dye additive regulations). |
| Microbial Limits | Microbiological Culture Method | Test for total aerobic microbial count, mold, and yeast according to pharmacopoeia or relevant standards to ensure absence of excessive microbial contamination. |
Technical Specifications of Aniline Blue
| Test Item | Specification |
|---|---|
| Appearance | Dark blue crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Freely soluble in water and ethanol |
| 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 Aniline Blue
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Aniline Blue
Industrial Aniline 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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