Electronic-grade IPA (IPA 99.999%)

Description

1. Product Overview

This product is a high-purity Isopropyl Alcohol (IPA) with a verified purity level of 99.999%, specifically engineered for the most demanding semiconductor and microelectronics manufacturing processes. Its primary industrial use is as a critical cleaning, degreasing, and wafer drying agent in photolithography and etch residue removal. The key value proposition is the elimination of metallic and organic contaminants that cause device defects, directly improving yield rates for fabs and assembly houses. In an era of sub-5nm node manufacturing, this grade of IPA is not a commodity—it is a strategic enabler of miniaturization and functional reliability.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Isopropyl Alcohol (C₃H₈O) with <1 ppm total non-volatile residue

• Purity Level: ≥99.999% (5N grade), verified by GC-MS

• Water Content: ≤100 ppm (Karl Fischer titration)

• Metallic Impurities (each): <0.1 ppb for Fe, Cu, Zn, Al, Cr, Ni (ICP-MS validated)

• Anionic Contaminants: <5 ppb chlorides, nitrates, sulfates

• Particle Count: ≤10 particles per mL at ≥0.2 µm size

• Physical Characteristics: Transparent, colorless liquid; density 0.785 g/mL at 20°C; boiling point 82.5°C

• Packaging Options:

  • 0.2 µm filtered 4L HDPE bottles (cleanroom double-bagged)

  • 200L stainless steel drums (inner electrophished)

  • 1000L IBC totes with PTFE lining

  • ISO tankers for bulk

• Shelf Life: 24 months from date of manufacture when stored in sealed, unopened containers under dry nitrogen purge at 15–30°C

3. Core Industrial Applications

• Primary Industries: Semiconductor wafer fabrication (fabs), flat panel display (FPD) manufacturing, medical device sterilization, precision optics, and lithium-ion battery electrolyte drying.

• Specific Operational Use Cases:

  • Post-CMP (chemical-mechanical planarization) cleaning

  • Wafer rinsing and Marangoni drying to prevent watermark defects

  • Photoresist residue removal in lithography tracks

  • Degreasing of MEMS sensor components

• Why It Performs Better Than Alternatives:
  Standard IPA (99.7–99.9%) leaves trace ions and organics that cause gate oxide leakage and hillock formation. This 99.999% grade reduces defect density by >40% compared to technical-grade IPA, as verified by 300mm wafer test runs. Its low water content prevents oxidation of reactive metal films (e.g., copper, cobalt).

• Efficiency Advantage: Higher evaporation rate without residue reduces rinse cycle time by 15–20%, lowering cost-of-ownership per wafer start.

4. Competitive Advantages

• Quality Consistency: Batch-to-batch variability held to ±0.0002% purity; each lot includes a digital Certificate of Analysis (CoA) with full ICP-MS and particle count data.

• Supply Reliability: Dual-source manufacturing sites (Asia and EU) with 6-month rolling safety stock; <48-hour emergency dispatch for contract customers.

• Logistics Capability: ISO 9001:2015 and IATF 16949-certified supply chain; cleanroom-compliant packaging with chain-of-custody documentation.

• Price Competitiveness: 8–12% lower total landed cost than incumbent suppliers (Merck, Kanto) due to vertically integrated distillation and in-house QC labs.

• Sustainability: 70% of solvent mass recovered and recycled via closed-loop distillation; packaging eligible for return-and-refill program (200L drums and IBCs).

• Technical Support: On-call process engineering team for contamination root-cause analysis; free sample validation with your own fab metrology tool (up to 5L).

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 metric tons (20MT) per purchase order (equivalent to one ISO tank or 100 x 200L drums).

• Loading Capacity per 20ft Standard Container: 18MT net (max 80 x 200L drums, strapped and palletized).

• Loading Capacity per ISO Tank Container: 22–24MT (single-product fill, nitrogen-blanketed).

• Lead Time: 14–21 days from order confirmation for bulk; 30 days for drummed/tote packaging.

• Shipping Terms: EXW (origin: Houston, Rotterdam, Singapore) or CIF major global port. Dangerous Goods classification UN1219, Class 3, PG II.