Perchloric acid 33 (inorganic compound)

Perchloric acid is an inorganic compound with the chemical formula HClO4.It is the first of the six major inorganic strong acids and the hydrate of the highest valent oxide of chlorine.It is a colorless and transparent smoking liquid.Perchloric acid has the strongest acidity among inorganic oxygen-containing acids.Can support combustion,has strong corrosiveness and irritation,and can cause burns to the human body.In industry,it is used for the preparation of perchlorates,purification of synthetic diamonds,production of film,pharmaceutical industry,electropolishing industry,production of grinding wheels,removal of carbon particle impurities,and can also be used as an oxidant.
Chinese name:Perchloric acid
Foreign name:perchloric acid
Alias:Perchloric acid
Chemical formula:HClO4
Molecular weight:100.46
CAS login number:7601-90-3
EINECS login number:231-512-4
Melting point:-112℃
Boiling point:203℃(boiling point of 72.4%perchloric acid aqueous solution mixture)
Water solubility:miscible with water
Density:1.76 g/cm3
Appearance:Colorless and transparent smoking liquid with a pungent odor
Security description:S23;S26；S45；S36/37/39
Hazard symbol:C;O
Hazard description:R5;R8；R35
UN Dangerous Goods Number:1873
Chemical category:Inorganic substance-Acid
Control type:perchloric acid(*)(corrosive)(explosive)
Storage:Sealed,dry and cool storage
Saturated vapor pressure:2.00kPa(14℃)
MDL Number:MFCD00011325
Corresponding anhydride:Dichloroheptaoxide