Acid Brown 14 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5850-16-8 |
| Product name | Acid Brown 14 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty 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 Brown 14
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Acid Brown 14 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Acid Brown 14
| Industry | Application | Process |
|---|---|---|
| Textile Dyes | Dyeing | Dissolve Acid Brown 14 in water, immerse textile materials, and control dyeing performance by adjusting pH and temperature. |
| Leather Industry | Dyeing | Apply Acid Brown 14 to leather materials and carry out dyeing treatment by adjusting pH and temperature. |
Manufacturing Quality Control of Acid Brown 14
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison with certified reference standard using reversed-phase chromatography and UV detection at characteristic wavelength. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system; endpoint detected amperometrically. |
| Inorganic Ash | Gravimetric Analysis (Ignition Method) | Sample is incinerated at 550-600 C to oxidize organic matter; residual inorganic oxides are weighed after cooling in desiccator. |
| Heavy Metals (as Pb) | AAS (Flame or Graphite Furnace) | Atomic absorption spectroscopy measures absorbance of ground-state atoms in flame or graphite furnace atomizer at element-specific wavelength. |
| Chloride Impurity | Potentiometric Titration with AgNO3 | Silver nitrate titrant reacts with chloride to form AgCl precipitate; endpoint detected by potential change using silver indicator electrode. |
| Sulfate Impurity | Gravimetric Analysis (BaSO4 Precipitation) | Sulfate ions precipitated as barium sulfate under acidic conditions, filtered, dried, and weighed. |
| pH of Aqueous Solution | pH Meter Measurement | Electrochemical measurement of hydrogen ion activity using calibrated glass electrode and reference electrode in 1% w/v aqueous solution. |
| Solubility in Water | Visual Observation & Filtration | Sample is stirred in distilled water at 25 C for 30 min; clarity and residue after filtration assessed against standard limits. |
| Organic Volatile Impurities | GC-FID | Separation by gas chromatography followed by quantitative detection of volatile organics using flame ionization detector. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles in liquid medium to calculate size distribution based on Mie theory. |
| Color Strength (Relative) | UV-Vis Spectrophotometry | Measurement of absorbance at lambda-max (approx. 420 nm) relative to reference standard; expressed as percentage deviation. |
| Residual Solvents (e.g., Methanol, Acetone) | GC-FID with Headspace Sampling | Headspace GC separates and quantifies residual solvents volatilized from sample matrix; detected by FID. |
Technical Specifications of Acid Brown 14
| Test Item | Specification |
|---|---|
| Appearance | Brown crystalline 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 and ethanol |
| Odor | Characteristic mild 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 Brown 14
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Acid Brown 14
Industrial Acid Brown 14 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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