Description

Pentane 75/25 blowing agent is a blend of n-Pentane 75% and Isopentane 25%. This is a specialty ratio outside the standard F1–F9 grid, produced to meet specific customer formulation requirements.

Pentane 75/25 Blowing Agent — Applications

• Expandable Polystyrene (EPS): primary physical blowing agent for EPS block molding, packaging shapes, and insulation boards
• Aerosol propellant
• Electronic cleaning solvent

Specifications

• Chemical composition: n-Pentane (CAS 109-66-0) 75%, Isopentane (CAS 78-78-4) 25%
• Total Pentane purity: ≥ 98%
• Density (20°C): 615–630 kg/m³
• C4 and below light components: ≤1%
• C6 and above recombinant fractions: ≤1%

Transport & Regulatory

• UN Number: UN 1265 (Pentanes, liquid)
• Hazard Class: Class 3 Flammable Liquid, Packing Group I
• Packaging: ISO Tank (25–26 m³, net capacity approximately 14.7–15.5 MT)

Certificate of Analysis (COA) & MSDS

Every shipment of this pentane blend is accompanied by a batch-specific Certificate of Analysis, verifying actual test results against the specifications listed above. Material Safety Data Sheets (MSDS) covering handling, storage, and transport requirements are available on request prior to order confirmation.

Note: the final specification shall be subject to the factory test result and Certificate of Analysis (COA).

This Pentane 75/25 blowing agent is available alongside the full Pentane Blend series (F1–F9, 10/90 through 90/10) — see the Blowing Agents category for the complete range.