Chloric acid

Chloric acid
Chloric acid
Chloric acid
Names
Other names
Chloric(V) acid
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.303 Edit this at Wikidata
EC Number
  • 232-233-0
UNII
UN number 2626
  • InChI=1/ClHO3/c2-1(3)4/h(H,2,3,4)
    Key: XTEGARKTQYYJKE-UHFFFAOYAG
  • O[Cl+2]([O-])[O-]
Properties
HClO3
Molar mass 84.45914 g mol−1
Appearance colourless solution
Density 1 g/mL, solution (approximate)
>40 g/100 ml (20 °C)
Acidity (pKa) −2.7[1]
Conjugate base Chlorate
Structure
pyramidal
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Oxidant, Corrosive
GHS labelling:
GHS03: OxidizingGHS05: Corrosive
Danger
H271, H314
P210, P220, P221, P260, P264, P280, P283, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P306+P360, P310, P321, P363, P370+P378, P371+P380+P375, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard OX: Oxidizer. E.g. potassium perchlorate
3
0
2
OX
Related compounds
Other anions
 bromic acid
iodic acid
Other cations
 ammonium chlorate
sodium chlorate
potassium chlorate
Related compounds
 hydrochloric acid
hypochlorous acid
chlorous acid
perchloric acid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Chloric acid, HClO3, is an oxoacid of chlorine, and the formal precursor of chlorate salts. It is a strong acid (pKa ≈ −2.7) and an oxidizing agent.

  1. ^ Holleman, Arnold F.; Wiberg, Egon; Wiberg, Nils (2007). Lehrbuch der anorganischen Chemie (in German). Berlin. ISBN 978-3-11-017770-1. OCLC 180963521.{{cite book}}: CS1 maint: location missing publisher (link)