COUMARIN 7 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 27425-55-4 |
| Product name | COUMARIN 7 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood GradeCosmetic 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 COUMARIN 7
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk COUMARIN 7 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of COUMARIN 7
| Industry | Application | Process |
|---|---|---|
| Fine Fragrances & Flavors | Used as a fixative and base note component, imparting sweet, hay-like, and freshly cut hay aromas | Directly incorporated into fragrance formulations, typically at 0.1–5% w/w in combination with other aroma chemicals for soap, detergent, and cosmetic fragrances |
| Household & Personal Care | Functioning as a performance-enhancing fragrance ingredient in personal care products such as soaps, shampoos, and body washes to improve scent longevity | Added to the fragrance system after product cooling to 40–60°C to prevent thermal degradation |
| Food Industry | Approved by FDA and EFSA as a synthetic food flavoring (GRAS) for flavor enhancement in confectionery, baked goods, and beverages | Used within limits specified in GB 2760–2024 or the FEMA GRAS list; maximum usage level typically ≤5 mg/kg, depending on food category |
| Pharmaceutical Intermediates | Serving as a structural building block in the synthesis of anticoagulant drugs such as warfarin and its derivatives | Coumarin core constructed via Pechmann condensation under basic conditions or cyclization with phenylhydrazine reagents, followed by halogenation, reduction, and other functionalization steps |
Manufacturing Quality Control of COUMARIN 7
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by reverse-phase HPLC with UV detection at 275 nm, using external standard calibration. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV against reference standards. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents by gas chromatography with flame ionization detection. |
| Moisture Content | Karl Fischer Titration | Volumetric titration based on the reaction of water with iodine and sulfur dioxide in pyridine/methanol medium. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, As, Hg, and Cr after acid digestion and plasma emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions in aqueous extract. |
| Sulfated Ash | Gravimetric Analysis | Incineration at 700-750 C followed by weighing of non-volatile residue after sulfuric acid treatment. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid phase transition temperature using calibrated capillary apparatus. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against defined reference standards under controlled lighting. |
| Particle Size Distribution | Laser Diffraction | Measurement of particle size distribution in dispersed suspension via angular scattering pattern analysis. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a defined suspension (e.g., 1% w/v in water) using calibrated electrode. |
| Organic Volatile Impurities (OVI) | GC-MS | Identification and quantification of unspecified volatile impurities using mass spectral library matching and external calibration. |
Technical Specifications of COUMARIN 7
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 70–74°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 COUMARIN 7
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of COUMARIN 7
Packaging of COUMARIN 7
Industrial COUMARIN 7 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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