2757-23-5 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2757-23-5 |
| Product name | 2757-23-5 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial GradeReagent 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 2757-23-5
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2757-23-5 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2757-23-5
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of antiviral drugs | Reacted with amines to generate sulfoximine derivatives |
| Agrochemicals | Key intermediate for insecticide and herbicide production | Used in carbonylation reactions to introduce specific functional groups |
| Dyes | Synthetic raw material for high-performance dyes | Applied in coupling or substitution reactions to modify dye structures |
| Polymers | Modifier for functionalized polymer synthesis | Introduces sulfonyl chloride groups to enhance material properties |
| Analytical Chemistry | Analytical reagent for qualitative or quantitative analysis of organic compounds | Used in derivatization reactions to improve detection sensitivity |
Manufacturing Quality Control of 2757-23-5
| 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 under optimized chromatographic conditions. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water content via iodine-sulfur dioxide reaction in a methanol-based solvent system. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities (e.g., HCl, SO2Cl2) using standardized sodium hydroxide solution and potentiometric endpoint detection. |
| Residue on Ignition | Gravimetric Analysis | Weighing of non-volatile residue remaining after controlled high-temperature ashing of a sample. |
| Chloride Ion Impurity | Ion Chromatography (IC) | Separation and quantification of chloride anions using anion-exchange column and conductivity detection. |
| Sulfur Compounds (e.g., SO2, sulfuryl chloride) | GC-MS | Identification and quantification of volatile sulfur-containing impurities by retention time and mass spectral matching. |
| Heavy Metals (Pb, Cd, Cr, Hg, As) | ICP-OES | Multi-element detection based on characteristic atomic emission spectra after acid digestion and plasma excitation. |
| Color | Visual Comparison or Spectrophotometry (APHA scale) | Assessment of sample color intensity relative to platinum-cobalt standards using visual match or absorbance at 455 nm. |
| Density | Oscillating U-tube Densitometry | Measurement of sample density via resonant frequency shift of a vibrating U-shaped tube filled with the liquid. |
| Refractive Index | Refractometry | Determination of refractive index using Snell's law principle with a calibrated digital refractometer at specified temperature. |
| Volatility Loss (105 C, 2 h) | Thermogravimetric Analysis (TGA) | Quantification of mass loss upon heating to assess volatile impurities and thermal stability. |
| Organic Impurities (e.g., chloroform, carbon tetrachloride) | Headspace GC-FID | Extraction and quantification of residual solvents from vapor phase above heated sample using gas chromatography. |
Technical Specifications of 2757-23-5
| Test Item | Specification |
|---|---|
| Appearance | Light yellow to amber clear liquid |
| Purity | >=98.0% (NMR) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.520–1.540 |
| Relative Density (20°C/25°C) | 1.62–1.66 g/cm³ |
| Odor | Pungent, acrid 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 2757-23-5
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2757-23-5
Packaging of 2757-23-5
Industrial 2757-23-5 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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