PENTAMETHYLENEBIS(MAGNESIUM BROMIDE) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 23708-48-7 |
| Product name | PENTAMETHYLENEBIS(MAGNESIUM BROMIDE) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial 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 PENTAMETHYLENEBIS(MAGNESIUM BROMIDE)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk PENTAMETHYLENEBIS(MAGNESIUM BROMIDE) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of PENTAMETHYLENEBIS(MAGNESIUM BROMIDE)
| Industry | Application | Process |
|---|---|---|
| Organic Synthesis | Grignard reagents for carbon–carbon bond formation | Undergo addition or substitution reactions with electrophiles such as aldehydes, ketones, esters, and epoxides to produce organic intermediates including alcohols, carboxylic acids, and primary alcohols |
| Pharmaceutical R&D | Construction of complex ring systems and chiral centers in drug molecules | Participate in key steps including cyclization reactions (e.g., condensation with dicarbonyl compounds) and asymmetric additions (in combination with chiral catalysts) |
| Materials Science | Precursor for organometallic complexes used in preparing magnesium-based functional materials | Coordinate with ligands (e.g., diimines, cyclopentadienyl derivatives) to form catalytically active species applied in polymerization initiation |
Manufacturing Quality Control of PENTAMETHYLENEBIS(MAGNESIUM BROMIDE)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (C5H10Br2Mg content) | Acid-Base Titration with back-titration | Hydrolysis of Grignard reagent followed by titration of liberated HBr with standardized NaOH. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration quantifying water via reaction of iodine with sulfur dioxide in pyridine/methanol medium. |
| Residual Solvent (THF) | Gas Chromatography (GC) | Separation and quantification of tetrahydrofuran using a polar capillary column and FID detection. |
| Total Halide Impurities | Potentiometric Titration with AgNO3 | Precipitation of halides as silver halides, monitored by silver ion-selective electrode. |
| Magnesium Content | ICP-OES | Atomization and excitation of Mg in argon plasma; quantification via characteristic emission at 285.2 nm. |
| Bromide Ion Content | Ion Chromatography (IC) | Separation on anion-exchange column with suppressed conductivity detection. |
| Free Bromine | UV-Vis Spectrophotometry | Quantification of Br2 based on absorbance at ~400 nm in acidic aqueous extract. |
| pH of Aqueous Hydrolysate | pH Meter Measurement | pH measured after controlled hydrolysis in CO2-free water to assess acidic impurity load. |
| Appearance and Clarity | Visual Inspection | Assessment against standard colorless, clear liquid reference under controlled lighting. |
| Density | Digital Density Meter | Measurement of mass per unit volume at specified temperature (e.g., 20 C) using oscillating U-tube principle. |
| Heavy Metals (Pb, Cd, Ni, Fe) | ICP-MS | Multi-element detection of trace metals after acid digestion and matrix separation. |
| Peroxide Value | Iodometric Titration | Oxidation of iodide to iodine by peroxides, followed by titration with standardized sodium thiosulfate. |
Technical Specifications of PENTAMETHYLENEBIS(MAGNESIUM BROMIDE)
| Test Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow clear liquid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Relative Density (20°C/25°C) | 1.12–1.16 g/cm³ |
| Refractive Index (n20/D) | 1.430–1.450 |
| Odor | Characteristic mild organic 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 PENTAMETHYLENEBIS(MAGNESIUM BROMIDE)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of PENTAMETHYLENEBIS(MAGNESIUM BROMIDE)
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of PENTAMETHYLENEBIS(MAGNESIUM BROMIDE)
Industrial PENTAMETHYLENEBIS(MAGNESIUM BROMIDE) 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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