Biodiesel: ASTM International Specifications (B100)

The ASTM International Specifications for Biodiesel (D6751) states that the only form of biodiesel which can be legally resold for commercial operations must meet these specifications:

Property	Test Method	Limits	Units
Flash point (closed cup)	D 93	93 min	°C
Alcohol Control One of the following must be met
1. Methanol content	EN 14110	0.2 max	% volume
2. Flash Point	D 93	130 min	°C
Water and sediment	D 2709	0.050 max	Units% volume
Kinematic viscosity, 40°C	D 445	1.9–6.0	mm2/s
Sulfated ash	D 874	0.020 max	% mass
Sulfur	D 5453	0.0015 max	% mass
Copper strip corrosion	D 130	No. 3 max	N/A
Cetane number	D 613	47 min	N/A
*Cloud point	D 2500	Report to customer*	°C
Carbon residue	D 4530	0.050 max	% mass
Acid number	D 664	0.50 max	mg KOH/g
Free glycerin	D 6584	0.020	% mass
Total glycerin	D 6584	0.240	% mass
Phosphorus content	D 4951	0.001 max	0.001 max
Distillation temperature, atmospheric equiv. temp, 90% recovered
Sodium and Potassium Metals, combined	EN 14538	5 max	ppm
Calcium and Magnesium Metals, combined	EN 14538	5 max	ppm
Oxidative Stability	EN 14112	3 min	Hrs

*Cloud point varies depending on feedstock. Contact World Energy for the exact product specifications.