ASTM D-6751 standards for biodiesel

Flash point (closed cup) 130°C min. (150°C average)
Water and sediment 0.050% by vol., max.
Kinematic viscosity at 40°C 1.9-6.0 mm2/s
Ramsbottom carbon residue, % mass 0.10
Sulfated ash 0.020% by mass, max.
Sulfur 0.05% by mass, max.
Copper strip corrosion No. 3 max
Cetane 47 min.
Carbon residue 0.050% by mass, max.
Acid number -- mg KOH/g 0.80 max.
Free glycerin 0.020 % mass
Total glycerine 0.240% by mass, max.
Phosphorus content 0.001 max. % mass
Distillation 90% @ 360°C