4-BROMOCROTONIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 13991-36-1 |
| Product name | 4-BROMOCROTONIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent GradeIndustrial 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 4-BROMOCROTONIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-BROMOCROTONIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-BROMOCROTONIC ACID
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate | Used in the synthesis of certain active pharmaceutical ingredients (APIs) or their precursors |
| Agrochemicals | Intermediate | Applied as a raw material in the production of specific pesticide products |
| Materials Science | Synthesis | Employed as a monomer in polymer synthesis or in the modification of other materials |
| Fine Chemicals | Additive/Adjuvant | Used as an additive to enhance performance in certain chemical formulations |
| Laboratory Research | Reference Standard/Control Substance | Applied as a reference standard or control substance in scientific research |
Manufacturing Quality Control of 4-BROMOCROTONIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by reverse-phase HPLC with UV detection at 210 nm, using external standard calibration. |
| Related Substances | HPLC-DAD | Separation and identification of impurities using HPLC coupled with diode array detection and reference standards. |
| Residual Solvents | GC-FID | Determination of volatile organic solvents by gas chromatography with flame ionization detection using headspace sampling. |
| Water Content | Karl Fischer Titration | Volumetric titration with iodine-based reagent to quantify water via coulometric or volumetric reaction stoichiometry. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and other metals after acid digestion and plasma emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Acid Value | Acid-Base Titration | Neutralization of carboxylic acid groups with standardized NaOH solution using phenolphthalein indicator. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing solid-to-liquid phase change in a calibrated capillary tube. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particulates under controlled white light. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light through a solution in specified solvent and path length. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using light scattering pattern to determine size distribution. |
Technical Specifications of 4-BROMOCROTONIC ACID
| Test Item | Specification |
|---|---|
| Appearance | Yellow-brown solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 75–79 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Acid Value (mg KOH/g) | 175–185 mg KOH/g |
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 4-BROMOCROTONIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-BROMOCROTONIC ACID
Packaging of 4-BROMOCROTONIC ACID
Industrial 4-BROMOCROTONIC ACID 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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