iodic acid

• ChemBase ID: 103650
• Molecular Formular: HIO3
• Molecular Mass: 175.91061
• Monoisotopic Mass: 175.89704189
• SMILES: O[I](=O)=O
• Canonical SMILES: O[I](=O)=O
• InChI: InChI=1S/HIO3/c2-1(3)4/h(H,2,3,4)
• InChIKey: ICIWUVCWSCSTAQ-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: iodic acid
• IUPAC Traditional name: iodic acid
• Synonyms: Iodic acid, ACS; Iodic acid; IODIC ACID; IODIC ACID, ACS; Iodic(V) acid; 碘酸, ACS; 碘酸

Database IDs

• CAS Number: 7782-68-5
• EC Number: 231-962-1
• MDL Number: MFCD00011348
• Merck Index: 145012
• PubChem SID: 24853264; 24881032; 162102891
• PubChem CID: 24345
• CHEBI ID: 24857
• CHEMBL: 1161636
• Chemspider ID: 22761
• Wikipedia Title: Iodic_acid

CALCULATED PROPERTIES

• Acid pKa: -32.990604
• H Acceptors: 3
• H Donor: 1
• LogD (pH = 5.5): -2.1981263
• LogD (pH = 7.4): -2.1981263
• Log P: 0.17827241
• Molar Refractivity: 18.7912 cm^3
• Polarizability: 8.611166 Å^3
• Polar Surface Area: 54.37 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 2.69 kg/l (20 °C) in water
• Apperance: Powder/Chunks; White solid
• Melting Point: 110 °C; 110°C; 110°C (decomposes); 110°C dec.
• Flash Point: Non-flammable
• Density: 4.62 g/cm^3, solid; 4.629; 4.63 g/ml
• pKa: 0.75

Safety Information

• Storage Condition: Room Temperature (15-30°C)
• Storage Warning: Light Sensitive
• European Hazard Symbols: Corrosive (C); Oxidising (O)
• UN Number: 3085; UN3085
• German water hazard class: 3
• Hazard Class: 5.1; 8
• Packing Group: 2; II
• Australian Hazchem: 2W
• Risk Statements: 8-34; R:8-34
• Safety Statements: 17-20-26-36/37/39-45-60; 17-26-36/37/39-45; S:17-26-27/28-36/37/39-46-64
• EU Classification: OC2
• EU Hazard Identification Number: 5.1B
• Emergency Response Guidebook(ERG) Number: 140
• TSCA Listed: 是
• EU Index: Not listed
• GHS Pictograms: GHS03; GHS05
• GHS Signal Word: Danger
• GHS Hazard statements: H272-H314; H272-H314-H318
• GHS Precautionary statements: P220-P280-P305 + P351 + P338-P310; P221-P210-P303+P361+P353-P305+P351+P338-P405-P501A
• Personal Protective Equipment: Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• RID/ADR: UN 3085 5.1/PG 2

Product Information

• Purity: ≥99.5%; ≥99.0% (RT); ≥99.5%; ≥99.5% (RT); 99.5%
• Grade: ACS; ACS reagent; puriss. p.a.; purum p.a.; REAGENT
• Ignition Residue: ≤0.01% (as SO4); ≤0.02%
• Impurities: ≤0.01% insolubles; ≤0.1% N compounds; ≤0.1% total nitrogen (N)
• Cation Traces: Ag: ≤5 mg/kg; Al: ≤5 mg/kg; Ba: ≤10 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Cd: ≤50 mg/kg; Co: ≤5 mg/kg; Co: ≤50 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Cu: ≤50 mg/kg; Fe: ≤0.002%; Fe: ≤10 mg/kg; Fe: ≤50 mg/kg; heavy metals (as Pb): ≤0.001%; K: ≤100 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤100 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Ni: ≤50 mg/kg; Pb: ≤5 mg/kg; Pb: ≤50 mg/kg; Sr: ≤5 mg/kg; Tl: ≤5 mg/kg; Zn: ≤5 mg/kg; Zn: ≤50 mg/kg
• Antion Traces: bromide, chloride (as Cl-): ≤200 mg/kg; bromide, chloride (as Cl-): ≤500 mg/kg; Cl- and Br-: ≤0.02%; iodide (I-): ≤0.01%; iodide (I-): ≤5 mg/kg; sulfate (SO42-): ≤0.015%; sulfate (SO42-): ≤150 mg/kg; sulfate (SO42-): ≤200 mg/kg
• Empirical Formula (Hill Notation): HIO3

DETAILS

MP Biomedicals - 02152530

ACS Reagent Grade
Purity: ≥99.5%

MP Biomedicals - 05203932

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 58060

Other Notes
Oxidant for the decomposition of metals and organic compounds1,2

Sigma Aldrich - 221929

Packaging
50, 250 g in glass bottle