Find Out the BS 2869 Class A2 Gas Oil Specifications
Crown Oil supplies red diesel that meets the BS 2869 Grade A2 specification. This grade of gas oil is a dyed and marked product, to be used for small furnace or boiler applications, stationary diesel and untaxed engines.
We can also supply gas oil that meets Grade D specs, and EN 590 specs too.
For more information about this grade and specification of fuel, read our guide to fuel specifications. For more information about red diesel and its uses, read our Red Diesel FAQs.
View how our A2 Grade gas oil meets the specifications in the table below.
A2 Grade Gas Oil Specification chart
| Parameter | Unit | Minimum | Maximum | Typical |
| Appearance | – | Clear & bright, Cherry Red,Free from visible sediment. | Pass | |
| Density at 15°C | kg/m³ | 0.820 | – | 0.860 |
| Kinematic viscosity at 40°C | mm²/s | 1.5 | 5.5 | 3.0 |
| Carbon residue(Ramsbottom on 10% residue) | % (m/m) | – | 0.30 | 0.10 |
| Distillation recovery at 250°C | % (v/v) | – | 65 | 42 |
| Distillation recovery at 350C | % (v/v) | 85 | – | 92 |
| Flash point (PMCC) | °C | 56 | – | >62 |
| Water content | mg/kg | – | 200 | <100 |
| Particulate content | mg/kg | – | 24 | <10 |
| Ash content | % (m/m) | – | 0.01 | <0.01 |
| Sulphur content | % (m/m) | – | 0.002 | <0.098 |
| Copper corrosion(3 hrs at 50°C) | Class | – | 1 | 1a |
| Cold filter plugging point(1) Summer | °C | – | -4 | -8 |
| Cold filter plugging point(1) Winter | °C | – | -12 | -14 |
| Cetane number | – | 45 | – | 48 |
| Fatty acid methyl ester (FAME) | % (v/v) | – | 7.0 | <0.1 |
| Carbon | % (m/m) | – | – | 87 |
| Hydrogen | % (m/m) | – | – | 12.75 |
| Nitrogen | % (m/m) | – | – | 0.01 – 0.05 |
| Gross specific energy (MJ/kg) | MJ/kg | – | – | 45.4 |
| Gross specific energy (MJ/litre) | MJ/litre | – | – | 38.8 |
| Mean specific heat capacity over 0 – 100°C | KJ/kg °C | – | – | 2.05 |
| Volume correction factor | per °C | – | – | 0.00081 |
| Strong acid number | mg KOH/g | – | nil | nil |
| Lubricity (HFRR) | µm | – | 460 | <460 |
| Oxidation stability 0.0 – 7.0% FAME | g/m³ | – | 25 | – |
| Oxidation stability 2.0 – 7.0% FAME | h | 20 | – | – |
For a supply of BS 2869 Grade A2 red diesel that you can trust, contact Crown Oil’s expert fuels team on 0330 123 1444 today.
