123-98-8 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 123-98-8 |
| Product name | 123-98-8 |
| 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 123-98-8
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 123-98-8 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 123-98-8
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Synthesis of polyamides and polyesters | Used as a diacid chloride monomer in condensation polymerization with diamines or diols |
| Polymeric Materials | Production of high-performance engineering plastics | Reacted with aromatic diamines via melt or solution polymerization to generate polyimide precursors |
| Pharmaceutical Chemistry | Synthesis of pharmaceutical intermediates | Employed to introduce the azelaoyl group in amidation or esterification reactions |
| Pesticide Industry | Synthesis of insecticide or fungicide intermediates | Reacted with nitrogen-containing heterocyclic compounds to yield biologically active amide derivatives |
| Dye Industry | Synthesis of azo dyes and reactive dyes | Used as a linking group in multistep coupling reactions to enhance dye molecule rigidity and stability |
Manufacturing Quality Control of 123-98-8
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) | Quantitative determination based on peak area comparison with a certified reference standard using a suitable capillary column and flame ionization detector. |
| Acid Chloride Content | Acid-Base Titration | Hydrolysis of acyl chloride groups with excess standardized NaOH, followed by back-titration of unreacted base with HCl. |
| Residual Acid (e.g., Azelaic Acid) | High-Performance Liquid Chromatography (HPLC) | Separation and quantification of azelaic acid impurity on a reversed-phase C18 column with UV detection at 210 nm. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via iodine-sulfur dioxide reaction in anhydrous methanol-based reagent. |
| Color (APHA) | Visual Comparison or Spectrophotometry | Comparison of sample color against APHA platinum-cobalt standard solutions or measurement of absorbance at 455 nm. |
| Density | Digital Density Meter | Measurement of mass per unit volume at specified temperature (e.g., 20 degC) using oscillating U-tube principle. |
| Refractive Index | Refractometry | Determination of light bending angle at air-sample interface using calibrated Abbe refractometer at 20 degC. |
| Residual Solvents (e.g., Toluene, Hexane) | Gas Chromatography (GC) with FID | Separation and quantification of volatile organic solvents using headspace GC-FID and external calibration standards. |
| Heavy Metals (as Pb) | Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) | Multi-element quantification after acid digestion and dilution, based on element-specific atomic emission intensities. |
| Chloride Ion (Free Cl-) | Ion Chromatography (IC) | Separation of anions on anion-exchange column with suppressed conductivity detection; quantifies free chloride from hydrolysis. |
| Volatility Residue | Gravimetric Analysis (Weight Loss on Drying) | Measurement of mass loss after controlled heating under vacuum or nitrogen to remove volatile impurities. |
| Appearance (Clarity & Particulates) | Visual Inspection | Examination of clear, colorless to pale yellow liquid in transparent container against white/black background under controlled lighting. |
Technical Specifications of 123-98-8
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.475–1.485 |
| Relative Density (20°C/25°C) | 1.15–1.17 g/cm³ |
| Odor | Characteristic pungent acyl chloride 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 123-98-8
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 123-98-8
Packaging of 123-98-8
Industrial 123-98-8 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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