1-Isopropylpyrazole Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18952-87-9 |
| Product name | 1-Isopropylpyrazole |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty 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 1-Isopropylpyrazole
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-Isopropylpyrazole Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-Isopropylpyrazole
| Industry | Application | Process |
|---|---|---|
| Pesticides | Insecticide intermediate | Serves as a key structural building block for synthesizing novel neonicotinoid insecticides (e.g., flupyradifurone), enabling construction of the pyrazolinone scaffold via N-alkylation and cyclization reactions |
| Pharmaceuticals | Drug synthesis intermediate | Functions as a structural modification unit in anti-inflammatory, antitumor, and CNS-active compounds; participates in coupling reactions or serves as a heterocyclic core for functional group transformations |
| Materials Science | Precursor for organic luminescent materials | Used to synthesize pyrazole-containing fluorescent dyes and electron-transport layer materials for OLED devices; conjugated groups are introduced via bromination, Suzuki coupling, and related processes |
Manufacturing Quality Control of 1-Isopropylpyrazole
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantifies 1-isopropylpyrazole by comparing peak area to a calibrated standard curve using a non-polar capillary column. |
| Water Content | Karl Fischer Titration | Determines water via coulometric or volumetric titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic impurities by ignition at 700-800 C and weighing the residual ash. |
| Heavy Metals | ICP-OES | Quantifies Pb, Cd, Hg, As, and other heavy metals by plasma excitation and element-specific emission wavelength detection. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Related Substances | GC-MS | Identifies and quantifies structurally related impurities (e.g., pyrazole, isopropanol, chlorinated by-products) via retention time and mass spectral matching. |
| Acidity (as HCl) | Acid-Base Titration | Measures acidic impurities by titration with standardized NaOH solution using phenolphthalein or potentiometric endpoint detection. |
| Color | Visual Comparison or Spectrophotometry (APHA scale) | Evaluates color intensity by comparing sample against platinum-cobalt standard solutions or measuring absorbance at 430 nm. |
| Density | Digital Density Meter | Determines density at specified temperature (e.g., 20 C) using oscillating U-tube principle based on resonant frequency shift. |
| Refractive Index | Refractometry | Measures refractive index at 20 C using sodium D-line light, correlating to purity and composition. |
| Boiling Point | Distillation (Micro or Semi-micro) | Determines boiling range under reduced pressure (e.g., 10 mmHg) using calibrated thermometer and controlled heating. |
| Organic Volatile Impurities (OVI) | Headspace GC-FID | Quantifies residual solvents (e.g., acetone, methanol, ethyl acetate) by gas-phase equilibrium followed by GC separation and FID detection. |
Technical Specifications of 1-Isopropylpyrazole
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.5% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.490–1.495 |
| Relative Density (20°C/25°C) | 0.915–0.925 g/cm³ |
| Odor | Characteristic pyrazole-like 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 1-Isopropylpyrazole
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 1-Isopropylpyrazole
Packaging of 1-Isopropylpyrazole
Industrial 1-Isopropylpyrazole 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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