Bulk Procurement Specs For Cas 18001-97-3 | NINGBO INNO
Essential Technical Specifications for Bulk Procurement of CAS 18001-97-3
Procurement of CAS 18001-97-3 requires strict adherence to physicochemical parameters to ensure compatibility in silicone synthesis and modification processes. This OH-functional siloxane serves as a critical intermediate, characterized by a molecular formula of C10H26O3Si2 and a molecular weight of 250.48 g/mol. Buyers must verify these fundamental identifiers against supplier Certificates of Analysis (COA) to prevent batch inconsistencies.
The density of 0.953 g/cm³ and refractive index of 1.4472 at 25°C are key indicators of structural integrity and purity. Deviations in these values often signal contamination with lower molecular weight cyclic siloxanes or incomplete hydrolysis products. For facilities requiring specific performance metrics, understanding the boiling point of 75°C and flash point of 45°C is essential for designing safe distillation and handling systems. When evaluating potential sources, technical teams should cross-reference these values with established benchmarks for Bis(hydroxypropyl)tetramethyldisiloxane to ensure the material meets reaction kinetics requirements.
For organizations seeking validated alternatives or cross-references, detailed technical data regarding the 1,3-Bis(3-hydroxypropyl)-1,1,3,3-tetramethyldisiloxane Hydroxyterminated Disiloxane Equivalent For Sib1145.0 provides further insight into compatibility with existing formulations. This level of granularity ensures that the raw material integrates seamlessly into downstream polymerization without altering viscosity or cure profiles unexpectedly.
Comparative Parameter Analysis
The following table outlines the critical specification ranges expected for industrial-grade versus high-purity procurement tiers.
| Parameter | Standard Industrial Grade | High Purity Grade | Test Method |
|---|---|---|---|
| Purity (GC-MS) | ≥ 95.0% | ≥ 98.0% | Gas Chromatography |
| Density (25°C) | 0.950 - 0.955 g/cm³ | 0.952 - 0.954 g/cm³ | ASTM D4052 |
| Refractive Index (25°C) | 1.4460 - 1.4480 | 1.4470 - 1.4475 | ASTM D1218 |
| Water Content | ≤ 0.5% | ≤ 0.1% | Karl Fischer Titration |
| Color (APHA) | ≤ 50 | ≤ 20 | Visual/Colorimeter |
Purity Grades and Quality Assurance Metrics for 1,3-Bis(3-hydroxypropyl)-1,1,3,3-tetramethyldisiloxane
Quality assurance in the supply of 1,3-Bis(3-hydroxypropyl)-1,1,3,3-tetramethyldisiloxane hinges on rigorous analytical testing protocols. The primary metric for assessment is gas chromatography-mass spectrometry (GC-MS), which quantifies the main component peak area against impurities. High-quality batches typically exhibit a purity profile exceeding 97%, minimizing the presence of mono-functionalized species or oligomeric byproducts that could interfere with stoichiometry in end capping agent applications.
At NINGBO INNO PHARMCHEM CO.,LTD., quality control extends beyond simple purity checks to include verification of hydroxyl value consistency. This ensures that the reactivity of the silicone modifier remains predictable across different production lots. Procurement managers should request COAs that explicitly list hydroxyl content (mg KOH/g) alongside purity percentages. Variations in hydroxyl value can significantly impact the molecular weight control of final silicone fluids, making this parameter critical for R&D and large-scale manufacturing.
For direct access to verified product data and inventory status, buyers can review the specifications for the 1,3-Bis(3-hydroxypropyl)-1,1,3,3-tetramethyldisiloxane silicone modifier to align procurement plans with current stock grades. Consistent quality assurance metrics reduce the risk of batch rejection and downstream processing failures, ensuring operational continuity.
Industrial Storage Protocols and Stability Limits for Large-Scale Siloxane Procurement
Proper storage is vital to maintain the chemical stability of CAS 18001-97-3 during warehousing. The recommended storage temperature range is 2-8°C to prevent thermal degradation or premature reaction. While the compound exhibits hydrolytic sensitivity classified as "no reaction with water under neutral conditions," prolonged exposure to humid environments or extreme pH levels can compromise the siloxane backbone. Facilities must ensure storage vessels are sealed tightly to prevent moisture ingress, which could lead to condensation polymerization over time.
The melting point of <0°C indicates the material remains liquid under most ambient conditions, but cold chain logistics may be required for long-term preservation of high-purity grades. Stability data suggests that when stored in original, unopened containers under recommended conditions, the shelf life extends significantly without notable changes in viscosity or purity. Inventory management systems should prioritize First-In-First-Out (FIFO) rotation to mitigate any potential age-related degradation, ensuring that the Hydroxyterminated disiloxane retains its intended reactivity profile upon use.
Packaging Options and Handling Requirements for Bulk CAS 18001-97-3 Shipments
Bulk shipments of CAS 18001-97-3 are typically configured in 200kg lined steel drums or Intermediate Bulk Containers (IBCs) depending on volume requirements. The choice of packaging material is critical; containers must be compatible with organosilicon compounds to prevent leaching or contamination. Standard industry practice involves nitrogen padding in headspace to exclude oxygen and moisture, preserving the integrity of the OH-functional siloxane during transit.
Handling procedures require personnel to utilize appropriate Personal Protective Equipment (PPE), including chemical-resistant gloves and safety goggles, due to the potential for mild irritation upon contact. The flash point of 45°C classifies the material as combustible, necessitating storage away from ignition sources and adherence to local fire safety regulations regarding flammable liquids. Loading and unloading operations should be conducted in well-ventilated areas to avoid vapor accumulation, ensuring compliance with occupational health and safety standards during logistics operations.
Regulatory Compliance and Safety Documentation for CAS 18001-97-3 Imports
Importing CAS 18001-97-3 requires comprehensive safety documentation to clear customs and meet workplace safety regulations. Suppliers must provide a current Safety Data Sheet (SDS) compliant with GHS standards, detailing hazard classifications, first aid measures, and ecological information. While regulatory landscapes vary by region, the focus for procurement should remain on verified technical documentation such as COAs and SDS rather than unverified compliance claims.
NINGBO INNO PHARMCHEM CO.,LTD. ensures that all shipped batches are accompanied by the necessary documentation to facilitate smooth import processes. Buyers should verify that the CAS number and chemical name on all documents match exactly to prevent customs delays. Attention to detail in documentation review prevents logistical bottlenecks, ensuring that the silicone modifier arrives ready for immediate integration into production schedules without administrative hold-ups.
Secure your supply of high-performance siloxanes with verified data and reliable logistics support. Ready to optimize your supply chain? Reach out to our logistics team today for comprehensive specifications and tonnage availability.