FOR INDUSTRIAL AND LABORATORY RESEARCH USE ONLY. NOT FOR DIRECT HUMAN CONSUMPTION, THERAPEUTIC OR HOUSEHOLD USE.
For industrial manufacturing and laboratory research purposes only.
Product Specifications
| Parameter | Value |
|---|
| Product Name |
PAR |
| CAS Number |
1141-59-9 |
| Purity |
>99% |
| Purity Degree |
99% |
| State |
Solid |
| Molecular Formula |
C11h9n3o2 |
| Melting Point |
192-202 °c(Lit.) |
| Boiling Point |
355.48°c (Rough Estimate) |
| Application |
Chemical |
| Packing |
25kgs |
| Transport Package |
by Foil - Alum Bag or Paper Drum |
| Specification |
250kg/drum Or 1, 250kg/IBC |
| Origin |
Hangzhou |
| Production Capacity |
20t/Year |
Overcoming Purity and Supply Challenges with CAS 1141-59-9 PAR for Chemical Manufacturing
For over a decade in chemical supply, we've witnessed how PAR (CAS 1141-59-9) purity fluctuations above 1% can trigger cascading副反应in pharmaceutical intermediates, while inconsistent batch quality forces R&D teams to repeat months of experiments. Clients across 50+ countries consistently highlight delayed bulk deliveries as their top operational disruption—especially critical when production lines wait on key raw materials.
A Stable and Reliable Chemical Supply Solution
Our ISO certified PAR (CAS 1141-59-9) addresses these pain points through three core strengths: 99% minimum purity verified by dual HPLC and NMR testing, a dedicated 20-ton annual production line ensuring consistent supply, and flexible 25kg to ton-level packaging options. With a large warehousing center and global logistics network, we've maintained 98.7% on-time delivery rates even during recent supply chain disruptions, supporting both small-scale R&D and large-volume manufacturing needs.
Typical Industrial Applications
As a key intermediate in chemical manufacturing, solid PAR (CAS 1141-59-9) serves critical roles in organic synthesis processes, particularly in the production of specialty chemicals and research compounds. Its high purity and stable physical properties make it suitable for applications requiring precise reaction control, where even minor impurities could compromise product integrity or reaction efficiency.
Why Key Specifications Matter in PAR Selection
The 99% purity specification of our PAR directly translates to reduced purification steps downstream, cutting production costs by up to 15% compared to lower-grade alternatives. Its defined melting point range (192-202°C) ensures consistent crystallization behavior, a critical factor in scaling laboratory processes to industrial production. The solid state form minimizes handling hazards while allowing accurate weighing for batch formulation, and the molecular formula (C11H9N3O2) confirms structural integrity essential for reproducible reaction outcomes.
What You Gain With Our ISO Certified PAR
Choosing our ISO certified PAR means eliminating the hidden costs of substandard raw materials: rejected batches, extended production cycles, and failed quality control checks. Our compliance with international chemical manufacturing standards ensures compatibility with strict export requirements, while our long-term supply agreements provide price stability in volatile markets. Unlike suppliers offering inconsistent "technical grade" materials, our commitment to 99% purity guarantees that each 25kg pack delivers predictable performance, reducing overall production risk.
Why You Can Trust Our PAR Supply
Every batch of our PAR (CAS 1141-59-9) undergoes comprehensive testing including HPLC purity analysis, melting point verification, and moisture content determination. We provide a detailed Certificate of Analysis with each shipment, and maintain raw material traceability records for 5 years. Our production facility in Hangzhou operates under strict quality management systems, with monthly third-party audits ensuring process consistency. With a 20-ton annual capacity and strategic inventory management, we can fulfill orders from 25kg to full container loads without compromising lead times.
Certificate of Analysis & Documentation
Each delivery includes a batch-specific Certificate of Analysis detailing key parameters such as purity, melting point, and residual solvent levels. Material Safety Data Sheets (MSDS) are provided in multiple languages, and additional documentation including origin certificates and compliance statements can be arranged upon request. For critical applications, we offer pre-shipment sample testing to verify specifications before full order fulfillment.
Storage & Handling
- Store in a cool, dry, well-ventilated area, sealed and away from direct sunlight.
- Keep away from incompatible materials, food and feed sources.
- Handle with appropriate personal protective equipment (gloves, goggles, lab coat).
- Follow good industrial hygiene practices. Avoid inhalation and skin contact.
- Refer to MSDS for detailed storage and safety instructions.
How to Place Your Order
Initiate your order by submitting a procurement list specifying required quantity and packaging preferences. Our technical team will confirm lead times (typically 3-5 business days for stock items) and provide a detailed quotation. For first-time clients, we recommend requesting a 25kg sample pack for qualification testing before scaling to larger volumes. All orders include full documentation and dedicated customer support throughout the delivery process.
Frequently Asked Questions
Q: What is the shelf life of your PAR product?
A: When stored properly in unopened original packaging, our PAR maintains specifications for 24 months from the date of manufacture, as indicated on each package.
Q: Can this PAR be used in pharmaceutical or food applications?
A: No. This product is supplied exclusively FOR INDUSTRIAL AND LABORATORY RESEARCH USE ONLY. It is not suitable for direct human consumption, therapeutic, or household use.
Q: What documentation is provided with each shipment?
A: Every order includes a Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS). Additional documentation can be arranged upon request.
Q: Do you offer custom packaging options beyond the standard 25kg packs?
A: Yes, we provide 250kg drums and 1,250kg IBC containers for bulk orders. Special packaging requirements can be discussed with our sales team.
Q: How is the 99% purity of your PAR verified?
A: Purity is determined using high-performance liquid chromatography (HPLC) and nuclear magnetic resonance (NMR) spectroscopy, with results documented in each batch's Certificate of Analysis.
Usage Notice: Supplied exclusively for industrial manufacturing and laboratory research purposes. The buyer is fully responsible for complying with all local laws, regulations and safety requirements for its use.
Fine Chemical Intermediates
