Ethanol (Electronic Grade)
C₂H₅OH · CAS 64-17-5
The broadest grade portfolio in our line — 15 grades from SEMI G2–G5 electronic through pharmaceutical, HPLC, anhydrous, food, and medical. Electronic grade validated for semiconductor substrate pre-clean, optical fiber cleaning, LED device manufacturing, laser component maintenance, and thin-film solar cell preparation.
Molecular Weight
46.07 g/mol
Boiling Point
78.4 °C
Density
0.789 g/mL
Molecular Formula
Available Grades
Analytical Specification
Analytical Specification Table
All values represent maximum allowable limits unless noted ≥. A lot-specific Certificate of Analysis (CoA) with ICP-MS, LPC, and GC data is issued for every shipment. Full data packages available on request.
| Parameter | Test Method | Unit | G4 | G5 ★ | AR |
|---|---|---|---|---|---|
| Assay (GC) | GC-FID | % | ≥99.999 | ≥99.9999 | ≥99.7 |
| Water Content (KF) | Karl Fischer | ppm | ≤20 | ≤10 | ≤1000 |
| Total Metals (ICP-MS) | ICP-MS | ppb ea. | ≤0.5 | <0.1 | — |
| Na (Sodium) | ICP-MS | ppb | ≤0.3 | <0.1 | — |
| Fe (Iron) | ICP-MS | ppb | ≤0.2 | <0.05 | — |
| Methanol | GC-FID | ppm | ≤5 | ≤1 | ≤200 |
| Acetaldehyde | GC-FID | ppm | ≤1 | ≤0.5 | ≤10 |
| Residue on Evaporation | Gravimetric | ppm | ≤1 | ≤0.5 | ≤5 |
★ G5 = SEMI C1 Tier D (6N grade). All metal values by ICP-MS. Particle counts by in-line LPC during ISO Class 3 fill. CoA available on request.
Grade Comparison
G1 → G5 Purity Scale
Select the grade that matches your process node and contamination budget. Every grade is available from PureTech with full lot CoA and ICP-MS data.
All grades tested by ICP-MS (28 elements), in-line LPC (ISO Class 3 fill), and Karl Fischer titration. G5 = SEMI C1 Tier D. Full CoA per lot. Request CoA template →
Application Areas
Where Ethanol Is Used
Semiconductor Process
- Semiconductor substrate pre-clean before deposition (Si, SiC, GaN)
- Optical fiber & photonic waveguide end-face cleaning
- LED, VCSEL & laser diode device cleaning
- Laser optical component & lens surface maintenance
- Silicon & GaAs solar cell substrate preparation
- Thin-film deposition (ALD, CVD) pre-treatment
Laboratory & Analytical
- HPLC mobile phase
- pharmaceutical formulation
- DNA/RNA extraction
- cell culture medium preparation
Industrial & Other
- Pharmaceutical facility sterilization
- food flavoring & extraction
- fuel ethanol blending
- cosmetics formulation
- medical device disinfection
Battery & Energy Storage
Packaging & Supply
Available Container Formats
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Technical Quote
Our application engineers respond with full CoA data, ICP-MS reports, and supply chain details within one business day.