Quinoline Yellow Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 8004-92-0 |
| Product name | Quinoline Yellow |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeMaterial GradeCosmetic GradeFood 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for Quinoline Yellow
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Quinoline Yellow Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Quinoline Yellow
| Industry | Application | Process |
|---|---|---|
| Food Industry | Food coloring agent | Dissolution, mixing, and formulation |
| Cosmetics Industry | Cosmetic dye | Grinding, dispersion, and stabilization |
| Printing Industry | Ink colorant | Mixing, dissolution, and coating |
| Plastics Industry | Coloration of plastic products | Melt compounding and injection molding |
| Textile Industry | Textile dyeing | Dyeing, fixation, and after-treatment |
| Pharmaceutical Industry | Coloration of pharmaceutical dosage forms | Coating, mixing, and tablet compression |
Manufacturing Quality Control of Quinoline Yellow
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Identification | Ultraviolet-Visible Spectrophotometry (UV-Vis) | Utilizes the characteristic absorption peaks of Quinoline Yellow at specific wavelengths (e.g., around 380 nm and 410 nm) for qualitative identification. |
| Assay | Ultraviolet-Visible Spectrophotometry | Measures the absorbance of the solution at the maximum absorption wavelength and quantitatively calculates the content of Quinoline Yellow based on a standard calibration curve. |
| Color Strength | Spectrophotometry | Determines the absorbance of a sample solution at a specific concentration and characteristic wavelength to evaluate whether its coloring power meets standard requirements. |
| Impurity Limits | Thin-Layer Chromatography (TLC) | Applies the sample onto a silica gel plate, develops it, and observes any impurity spots after visualization to identify types and estimate amounts of impurities. |
| Related Substances (degradation products, by-products) | High-Performance Liquid Chromatography (HPLC) | Uses a C18 column with a UV detector and gradient or isocratic elution to separate and detect Quinoline Yellow and its related impurities. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Oven Method | Dries the sample at a specified temperature (e.g., 105°C) to constant weight; calculates moisture and volatile content based on weight loss. |
| Sulfated Ash | Sulfate Ash Method | The sample is charred, treated with sulfuric acid, then ignited at high temperature. The residue is weighed to assess inorganic impurity content. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After digesting the sample, determines the levels of heavy metal elements such as lead, arsenic, mercury, and cadmium to ensure compliance with food safety limits. |
| Microbial Limits | Microbiological Culture Method | Tests total bacterial count, molds, yeasts, and pathogenic microorganisms (e.g., E. coli, Salmonella) according to pharmacopoeia or food additive standards. |
Technical Specifications of Quinoline Yellow
| Test Item | Specification |
|---|---|
| Appearance | Yellow crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=20 ppm |
| Solubility | Soluble in hot ethanol and glacial acetic acid; practically insoluble in water |
| Color (APHA/Pt-Co) | <=500 APHA |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of Quinoline Yellow
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Quinoline Yellow
Packaging of Quinoline Yellow
Industrial Quinoline Yellow 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply