ACID BLACK 24 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3071-73-6 |
| Product name | ACID BLACK 24 |
| 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 ACID BLACK 24
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk ACID BLACK 24 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of ACID BLACK 24
| Industry | Application | Process |
|---|---|---|
| Textile Dyeing and Printing | Dyeing of cellulosic fibers (e.g., cotton, viscose) and their blends with synthetic fibers | Exhaust dyeing, pad dyeing |
| Textile Dyeing and Printing | Leather dyeing | Exhaust dyeing |
| Paper Manufacturing | Paper coloring | Coating, impregnation |
| Other | Laboratory use as an indicator or catalyst in specialized chemical reactions | - |
Manufacturing Quality Control of ACID BLACK 24
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (purity) | UV-Vis Spectrophotometry | Quantifies main dye content based on absorbance at characteristic wavelength using Beer-Lambert law. |
| Moisture Content | Karl Fischer Titration | Determines water content by coulometric or volumetric titration with iodine-based reagent. |
| Ash Content | Gravimetric Analysis | Measures inorganic residue after high-temperature incineration and weighing of residual ash. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Simultaneously quantifies trace metals after acid digestion using plasma excitation and elemental emission spectra. |
| Water Solubility | Visual Inspection / Filtration | Assesses complete dissolution in specified volume of water at defined temperature; absence of undissolved particles. |
| pH of 1% Aqueous Solution | pH Meter Measurement | Measures hydrogen ion activity in standardized aqueous solution using calibrated glass electrode. |
| Chloride Content | Argentometric Titration (Mohr method) | Determines chloride ions by titration with silver nitrate using potassium chromate indicator. |
| Sulfate Content | Gravimetric Analysis (BaSO4 precipitation) | Precipitates sulfate as barium sulfate, filters, dries, and weighs the insoluble residue. |
| Residual Solvents (e.g., methanol, acetone) | Gas Chromatography (GC-FID) | Separates and quantifies volatile organic solvents using capillary column and flame ionization detection. |
| Particle Size Distribution | Laser Diffraction | Measures size distribution of solid particles in suspension by analyzing angular scattering pattern of laser beam. |
| Color Strength (Relative) | UV-Vis Spectrophotometry | Compares absorbance of sample solution to certified reference standard under identical conditions. |
| Substantivity (on wool/cotton) | Spectrophotometric Comparison | Evaluates dye uptake by measuring reflectance or K/S value of dyed fabric vs. standard. |
Technical Specifications of ACID BLACK 24
| Test Item | Specification |
|---|---|
| Appearance | 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 dark brown to black solution |
| 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 ACID BLACK 24
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of ACID BLACK 24
Industrial ACID BLACK 24 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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