4-NITROPHENYLACETYLENE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 937-31-5 |
| Product name | 4-NITROPHENYLACETYLENE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty 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-NITROPHENYLACETYLENE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-NITROPHENYLACETYLENE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-NITROPHENYLACETYLENE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing antitumor drugs and biologically active molecules | Synthesized via Sonogashira coupling of p-nitrobromobenzene with acetylene under palladium catalysis |
| Materials Science | Precursor for organic optoelectronic materials, used in fabricating organic light-emitting diodes (OLEDs) and semiconductor materials | Integrated into polymer backbones or small-molecule frameworks as a conjugated building block via coupling reactions |
| Chemical Synthesis | Organic synthesis intermediate for constructing complex molecular architectures containing nitro and alkyne functional groups | Functional group transformations performed via metal-catalyzed cross-coupling, reduction, or nucleophilic addition |
Manufacturing Quality Control of 4-NITROPHENYLACETYLENE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 254 nm, comparing peak area to calibrated standard. |
| Related Substances | HPLC-UV | Detects and quantifies impurities (e.g., nitrobenzaldehyde, nitroacetophenone) via gradient HPLC-UV against reference standards. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents (e.g., acetone, DMF) using capillary GC with flame ionization detection. |
| Moisture Content | Karl Fischer Titration | Determines water content by coulometric or volumetric titration based on iodine consumption in pyridine-methanol buffer. |
| Heavy Metals | ICP-OES | Measures total heavy metal content (Pb, Cd, Hg, As) after acid digestion by optical emission spectroscopy. |
| Chloride Content | Ion Chromatography | Quantifies chloride ions using suppressed conductivity detection after anion exchange separation. |
| Sulfated Ash | Gravimetric Analysis | Measures inorganic residue after high-temperature combustion with sulfuric acid treatment and final weighing. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range of solid-to-liquid transition using calibrated capillary tube method per USP <741>. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles under controlled white light against established reference. |
| Acid Value | Acid-Base Titration | Measures free acidic impurities by titration with standardized NaOH solution using phenolphthalein indicator. |
| Particle Size Distribution | Laser Diffraction | Analyzes dry powder particle size distribution by measuring angular scattering intensity of laser beam. |
| Residue on Ignition | Gravimetric Analysis | Determines non-volatile inorganic residue after ignition at 700-800 C and subsequent weighing. |
Technical Specifications of 4-NITROPHENYLACETYLENE
| Test Item | Specification |
|---|---|
| Appearance | White to yellow crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 102–106°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Identification (IR) | Conforms to reference spectrum |
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-NITROPHENYLACETYLENE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-NITROPHENYLACETYLENE
Packaging of 4-NITROPHENYLACETYLENE
Industrial 4-NITROPHENYLACETYLENE 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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