It tasted for colorless transparent sticky liquid or trapezius crystals, odourless, taste is sour. 85 phosphate is colorless transparent or light, thick liquid. When 300 degrees to melt into partial phosphoric acid. Soluble in water, but soluble in ethanol. The acid is sulfuric acid, hydrochloric acid and nitric acid as weak, but relatively weak boric acid acetic acid, etc. Can stimulate the skin cause inflammation and damage body tissues. Concentrated phosphoric acid in China have erosion of heating. Has hygroscopic.

The specification of industrial Quality requirements GB2091-2008 (see table below)
Item Index
85??75??
High-classproducts First-class Acceptable part High-classproduc First-class Acceptable par
Chroma/black had acuities 20 30 40 20 30 40
Phosphoric acid (H3PO4) of quality score / % 85.0 85.0 85.0 75.0 75.0 75.0
Chloride (Cl) quality score / % than 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005
Sulphate (SO4) quality score / % than 0.003 0.005 0.01 0.003 0.005 0.01
Iron determine if flexion-extension (Fe) radiographs quality score / % than 0.002 0.002 0.005 0.002 0.002 0.005
Arsenic (As) quality score / % than 0.0001 0.005 0.01 0.0001 0.005 0.01
Heavy metals (Pb) quality score / % than 0.001 0.001 0.005 0.001 0.001 0.005
phosphoric acid