H: 271May cause fire or explosion; strong oxidiser.
H: 290May be corrosive to metals.
H: 301Toxic if swallowed
H: 312Harmful in contact with skin.
H: 314Causes severe skin burns and eye damage.
H: 317May cause an allergic skin reaction
H: 330Fatal if inhaled.
H: 334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H: 335May cause respiratory irritation
H: 340May cause genetic defects (state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard)
H: 350May cause cancer.
H: 361 fSuspected of damaging fertility.
H: 372Causes damage to organs (state all organs affected, if known) through prolonged or repeated exposure (state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard)
H: 410Very toxic to aquatic life with long lasting effects
分解溫度：340 °C
1,85 g/cm3
C,M,Ss,Sr
CrO3/H2SO4
Sulfuric acid, mixt. with chromic acid (H2Cr2O7) potassium salt (1:2)
