Assay....................................................................................96,0-102,0 %

Assay.................................................................................. 960-1020 IU/g

Refractive index...................................................................... 1,503-1,507

Specific weight....................................................................... 0,947-0,958

Acidity................................................................................................... p/t.

Specific rotation [a]25/D (1/10 in CHCl3).............................. -0,05 to+0,05°

A 1%; 1 cm; l292 nm in C2H5OH abs.............................................. 72-76

Residue on ignition, not more than.................................................. 0,1 %

Heavy metals (as Pb), not more than........................................... 0,001 %

Arsenic (as As), not more than........................................................ 3 ppm

Lead, not more than........................................................................ 2 ppm

Mercury (Hg), not more than........................................................... 1 ppm