1871-76-7 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1871-76-7 |
| Product name | 1871-76-7 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent GradeIndustrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 1871-76-7
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1871-76-7 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1871-76-7
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Intermediate | Used in the synthesis of various pharmaceuticals and bioactive molecules |
| Agrochemical Industry | Intermediate | Used in the synthesis of certain agrochemical components |
| Polymers | Polyurethane Synthesis | Applied as a crosslinking agent or modifier in polymer synthesis |
| Organic Synthesis | Aromatic Compound Synthesis | Used as an acylating reagent in aromatic compound synthesis |
| Research | Organic Synthesis Research | Applied in laboratory research and exploration of organic reactions |
Manufacturing Quality Control of 1871-76-7
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies main component by separation and flame ionization detection relative to internal/external standard. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Measures free acid content via neutralization of acidic impurities (e.g., benzoic acid, HCl) using phenolphthalein or potentiometric endpoint. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Determines inorganic ash content by high-temperature incineration and weighing of residual non-volatile matter. |
| Water Content | Karl Fischer Titration (Coulometric mode) | Quantifies trace water based on stoichiometric electrochemical reaction between iodine and water in anhydrous pyridine/methanol medium. |
| Chloride Ion (as HCl or Cl⁻) | Potentiometric Titration with AgNO₃ | Detects ionic chloride via precipitation titration using silver nitrate and silver/sulfide indicator electrode. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS or ICP-OES after acid digestion | Quantifies trace metal impurities following microwave-assisted acid digestion and elemental detection by plasma-based spectrometry. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 455 nm | Evaluates yellowness/browning intensity by matching sample color to APHA platinum-cobalt standards or measuring absorbance at specified wavelength. |
| Refractive Index | Refractometry at 20 °C | Determines purity and consistency via measurement of light bending angle in liquid sample at controlled temperature. |
| Density | Oscillating U-tube Densitometry | Measures mass per unit volume using resonant frequency shift of a vibrating U-shaped glass tube filled with sample. |
| Volatility Residue (Non-volatiles) | Gravimetric Analysis after Vacuum Drying | Determines non-volatile residue by evaporating volatile components under reduced pressure and weighing residual material. |
| Aldehyde Impurities (e.g., benzaldehyde) | GC-MS or GC-FID with derivatization | Identifies and quantifies aldehyde impurities via separation and detection, often after derivatization with DNPH for enhanced sensitivity. |
| Free Phosgene (COCl₂) | UV-Vis Spectrophotometry after p-nitrobenzylpyridine (PNBP) derivatization | Detects trace phosgene by formation of colored adduct with PNBP, measured at characteristic absorbance (~520 nm). |
Technical Specifications of 1871-76-7
| Test Item | Specification |
|---|---|
| Appearance | Yellow-brown 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) | 1.575–1.585 |
| 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 1871-76-7
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1871-76-7
Packaging of 1871-76-7
Industrial 1871-76-7 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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