5-Bromovanillin Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2973-76-4 |
| Product name | 5-Bromovanillin |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial 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) |
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Documents We Provide for 5-Bromovanillin
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Bromovanillin Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Bromovanillin
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Synthesis of pharmaceutical intermediates for anti-inflammatory and antimicrobial agents | Prepared via organic synthesis reactions, including bromination and esterification |
| Fine Fragrance Industry | Raw material for fragrance compound synthesis and fragrance formulation | Prepared via bromination and oxidation of aromatic compounds |
| Pesticide Industry | Synthesis of pesticide intermediates for novel herbicides or insecticides | Prepared via substitution reactions and functional group introduction |
| Chemical Reagents Industry | Analytical reagent for organic synthesis and analytical testing in laboratories | Obtained through purification and crystallization to achieve high purity |
| Polymer Materials Industry | Functional monomer for synthesizing specialty polymers | Prepared via polymerization and functionalization processes |
Manufacturing Quality Control of 5-Bromovanillin
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance and Physical Form | Visual Inspection and Physical Property Determination | Observe the sample as a white to light yellow crystalline powder; check color, crystal morphology, and presence of impurities or caking. Determine melting point (literature value approximately 115–118°C). |
| Melting Point | Capillary Melting Point Apparatus | Load sample into a capillary tube and use a melting point apparatus to determine the melting range at a standard heating rate (1–2°C/min). Compare with reference values to assess purity. |
| Assay (Purity) | High-Performance Liquid Chromatography (HPLC) | Use a C18 column with methanol-water or acetonitrile-water as the mobile phase. Detect with a UV detector at 270–280 nm. Quantify using external or internal standard method by calculating the percentage of the main peak area. |
| Impurity Analysis | HPLC-UV or HPLC-MS | Use gradient elution to separate potential by-products (e.g., unreacted vanillin, dibrominated compounds, oxidation products). Identify impurities by comparing retention times with standards and confirm structures using mass spectrometry. |
| Moisture Content | Karl Fischer Titration | Use the iodine-sulfur dioxide-pyridine-methanol system, which reacts quantitatively with water. Determine trace moisture content by potentiometric or coulometric methods. Control moisture level ≤0.5%. |
| Residual Solvents | Gas Chromatography (GC) | Use headspace or direct injection with a polar column such as DB-624 to detect process-related residual solvents (e.g., ethanol, acetone, ethyl acetate). Evaluate against ICH Q3C guideline limits. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Digest sample with acid, then determine levels of heavy metals such as lead (Pb), cadmium (Cd), arsenic (As), and mercury (Hg). Must comply with pharmacopoeial limits (e.g., ≤10 ppm). |
| Chlorides and Sulfates | Colorimetry or Ion Chromatography | Dissolve sample and add silver nitrate or barium chloride reagents to detect chloride or sulfate ions via colorimetric analysis, or quantify using ion chromatography. Control levels within pharmaceutical-grade specifications. |
| UV-Visible Absorption Spectrum | UV-Visible Spectrophotometry (UV-Vis) | Prepare solution in ethanol or methanol and record absorption spectrum in the 200–400 nm range. Confirm characteristic absorption peak (around 275–285 nm) for preliminary identification and concentration estimation. |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Nuclear Magnetic Resonance (NMR) Spectroscopy | Use DMSO-d₆ or CDCl₃ as solvent. Confirm molecular structure and purity by analyzing chemical shifts and integration ratios of characteristic proton signals (e.g., aldehyde H, aromatic H, methoxy H). |
| Infrared Spectrum (IR) | Fourier Transform Infrared Spectroscopy (FT-IR) | Record infrared absorption spectrum of solid sample or KBr pellet. Confirm structure by comparing characteristic functional group peaks (e.g., phenolic OH at 3200 cm⁻¹, carbonyl at 1670 cm⁻¹, C–Br at 500–600 cm⁻¹). |
Technical Specifications of 5-Bromovanillin
| Test Item | Specification |
|---|---|
| Appearance | White to gray to brown crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 102.0–106.0°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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 5-Bromovanillin
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-Bromovanillin
Packaging of 5-Bromovanillin
Industrial 5-Bromovanillin 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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