P-nitrophenyl butyrate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2635-84-9 |
| Product name | P-nitrophenyl butyrate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial GradeSpecialty 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 P-nitrophenyl butyrate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk P-nitrophenyl butyrate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of P-nitrophenyl butyrate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Pharmaceutical intermediates (for synthesis of antibiotics and anti-inflammatory agents) | Used in esterification and nitration processes |
| Dyes | Precursor for dye synthesis | Applied in azo coupling and diazotization processes |
| Organic Synthesis | Preparation of nitroaromatic compounds | Employed in catalytic hydrogenation and reduction processes |
| Research | Chemical reagent (analytical standard) | Processed via fractional distillation and chromatographic separation |
Manufacturing Quality Control of P-nitrophenyl butyrate
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, physical state, and presence of visible impurities. Typically appears as a pale yellow to yellow crystalline powder or solid. |
| Melting Point | Capillary Melting Point Method | Determine the melting temperature range using a melting point apparatus to assess purity. The melting point of 4-nitrophenyl butyrate is generally around 60–65°C. |
| Content Determination | UV-Visible Spectrophotometry (UV-Vis) | In alkaline conditions, 4-nitrophenyl butyrate hydrolyzes to form 4-nitrophenol, which exhibits strong absorption at ~400–410 nm. The content is quantified using a standard curve. |
| Purity Analysis | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with a mobile phase of methanol/water or acetonitrile/water. Detection wavelength: 270–320 nm, to evaluate the purity of the main component and impurity levels. |
| Hydrolytic Activity (Enzyme Substrate Activity) | Spectrophotometric Kinetic Method | In a specific buffer solution, add the target esterase and monitor the change in absorbance at 405 nm over time due to the release of 4-nitrophenol, to evaluate the substrate's reactivity. |
| Loss on Drying | Thermogravimetric Analysis (TGA) or Oven Method | Dry the sample at a specified temperature (e.g., 105°C) for a set period and measure the mass loss to assess moisture and volatile impurity content. |
| Related Substances (Impurities) | HPLC or Thin-Layer Chromatography (TLC) | Separate and detect possible synthetic intermediates or degradation products (e.g., 4-nitrophenol, butyric acid) using HPLC or TLC. |
| Infrared Identification | Fourier Transform Infrared Spectroscopy (FTIR) | Compare the infrared spectrum of the sample with a reference standard to confirm characteristic functional groups (e.g., ester carbonyl ~1735 cm⁻¹, nitro ~1530 and 1350 cm⁻¹). |
Technical Specifications of P-nitrophenyl butyrate
| Test Item | Specification |
|---|---|
| Appearance | Pale yellow liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 48–52°C |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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 P-nitrophenyl butyrate
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| Lot/Batch Number | *Required fields | |
NMR Spectra of P-nitrophenyl butyrate
Packaging of P-nitrophenyl butyrate
Industrial P-nitrophenyl butyrate 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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