2,3-Butanedione, 1-bromo- Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 5308-51-0 |
| Product name | 2,3-Butanedione, 1-bromo- |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25L/drum |
| 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 2,3-Butanedione, 1-bromo-
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,3-Butanedione, 1-bromo- Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,3-Butanedione, 1-bromo-
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Intermediate for synthesizing heterocyclic compounds (e.g., imidazole and pyrazole derivatives) | Used in nucleophilic substitution and cyclization reactions |
| Pharmaceutical Industry | Building block for constructing drug molecule scaffolds | Applied in condensation reactions with amines |
| Chemical Raw Materials | Preparation of α-dicarbonyl derivatives | Applied in oxidation and substitution reactions |
| Materials Science | Precursor for synthesizing specialty functional monomers or crosslinkers | Applied in polymerization reaction modification |
| Pesticide Chemistry | Intermediate for synthesizing nitrogen-containing heterocyclic pesticides | Applied in condensation and functional group transformation |
Manufacturing Quality Control of 2,3-Butanedione, 1-bromo-
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Water Content | Karl Fischer Titration | Electrochemical titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Acidity (as HBr) | Acid-Base Titration with NaOH | Neutralization of acidic impurities (e.g., residual HBr) using standardized sodium hydroxide solution and potentiometric or visual endpoint detection. |
| Residue on Ignition | Gravimetric Analysis | Heating the sample to 700-800 C to volatilize organic matter, then weighing the non-volatile inorganic residue. |
| Color | Visual Comparison or Spectrophotometry (APHA scale) | Comparison of sample color against platinum-cobalt standard solutions or measurement of absorbance at 455 nm in a 10-mm cell. |
| Density | Digital Density Meter | Measurement of mass per unit volume at 20 C using oscillating U-tube principle with temperature-controlled sample. |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface using calibrated Abbe refractometer at 20 C. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions on an anion-exchange column with suppressed conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion by measuring absorbance of ground-state atoms at characteristic wavelength. |
| Residual Solvents | Gas Chromatography (GC) with FID or MS detection | Identification and quantification of volatile solvents (e.g., acetone, dichloromethane) using headspace or direct injection GC. |
| Aldehyde Impurities | Derivatization GC or HPLC | Conversion of aldehydes to stable hydrazones followed by separation and quantification via GC or reversed-phase HPLC. |
| Thermal Stability | Thermogravimetric Analysis (TGA) | Monitoring mass loss under controlled nitrogen atmosphere from 25 C to 300 C to assess decomposition onset and volatility profile. |
Technical Specifications of 2,3-Butanedione, 1-bromo-
| Test Item | Specification |
|---|---|
| Appearance | Colorless to yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.475–1.485 |
| Relative Density (20°C/25°C) | 1.48–1.52 g/cm³ |
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 2,3-Butanedione, 1-bromo-
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,3-Butanedione, 1-bromo-
Packaging of 2,3-Butanedione, 1-bromo-
Industrial 2,3-Butanedione, 1-bromo- 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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