INTRON® cTane — 2-EHN Cetane Improver
2-Ethylhexyl nitrate (2-EHN) for diesel blending
INTRON® cTane 2EHN is a cetane improver based on 2-ethylhexyl nitrate, supplied by PETRONAX for refineries, fuel blenders and terminals. The product specification requires a purity of at least 99.5%.
CAS: 27247-96-7. EC: 248-363-6.
Request a 2-EHN supply quote or request the TDS and SDS. Explore the cetane improver and cetane booster range.
Application and treatment rate
INTRON® cTane 2EHN is used to reduce ignition delay and increase the cetane number of diesel fuel. The product TDS recommends 150–2,000 mg/kg of fuel (ppm by mass).
The required dosage depends on the base diesel and target cetane number. Discuss the fuel specification and blending requirements with PETRONAX before selecting the treatment rate. Product-specific ASTM D613 engine test data can be requested to support the evaluation.
INTRON® cTane 2EHN quality specification
| Parameter | Specification | Method |
|---|---|---|
| Purity | ≥ 99.5% | DIN 51405 |
| Water content | ≤ 0.03% | ASTM D1744 |
| Acidity as HNO₃ | ≤ 50 ppm | ASTM D664 |
The limits above are listed in the product TDS. A Certificate of Analysis accompanies each delivery.
Physical properties
| Property | Value |
|---|---|
| Appearance | Colourless to light yellow liquid |
| Density at 20 °C | 0.962–0.970 kg/dm³ (962–970 kg/m³) |
| Dynamic viscosity at 20 °C | 1.7 mPa·s |
| Boiling temperature | 194 °C (with decomposition) |
| Flash point | 76 °C (closed cup) |
| Auto-ignition temperature | 215 °C |
| Melting point | −50 °C |
Properties are listed from the TDS and SDS. Boiling temperature is not a safe handling or storage limit; follow the SDS and the storage guidance below.
Industrial blending and supply
Share the base diesel analysis, target cetane number, required quantity, delivery destination and packaging preference with PETRONAX. Confirm the treatment rate and addition method as part of the blending evaluation.
Handling and safety
Read the full Safety Data Sheet before handling. SDS version 6.0, dated 1 September 2026, lists INTRON® cTane 2EHN as harmful if swallowed, in contact with skin or if inhaled, and toxic to aquatic life with long-lasting effects.
The SDS also warns of a risk of explosion if heated under confinement and that repeated exposure may cause skin dryness or cracking. Follow the SDS for storage, exposure controls, protective equipment and first-aid measures.
Request the 2-EHN Safety Data Sheet.
Storage and packaging
The product TDS states a shelf life of 12 months from manufacture. Store in a cool, dry, dark, well-ventilated place away from heat and ignition sources. Keep the product below 60 °C and follow the full SDS requirements.
Packaging options include 200 kg steel drums, IBCs, ISO tank containers and bulk transport. Confirm the available quantity and delivery arrangements with PETRONAX.
Supplier and product documentation
INTRON® cTane 2EHN is supplied by PETRONAX Europe GmbH. Request the TDS, SDS and relevant test data for your technical review; a Certificate of Analysis accompanies each delivery.
O4, 4, 68161 Mannheim, Germany
Tel.: +49 621 405 458 01