potassium iodate

• ChemBase ID: 111047
• Molecular Formular: IKO3
• Molecular Mass: 214.00097
• Monoisotopic Mass: 213.85292354
• SMILES: [K+].[O-][I](=O)=O
• Canonical SMILES: [O-][I](=O)=O.[K+]
• InChI: InChI=1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
• InChIKey: JLKDVMWYMMLWTI-UHFFFAOYSA-M

NAMES AND DATABASE IDS

Names

• IUPAC name: potassium iodate
• IUPAC Traditional name: potassium iodate; potassium ion iodate
• Synonyms: Iodic acid; potassium salt; Potassium iodate; Potassium iodate standard solution; Potassium iodate solution; Potassium iodate, Acculute Standard Volumetric Solution, Final Concentration 0.1N; Potassium iodate, 0.1N Standardized Solution; POTASSIUM IODATE; Potassium iodate solution; Potassium iodate concentrate; Potassium iodate, ACS; 碘酸钾; 碘酸钾标准品 溶液; 碘酸钾 溶液; 碘酸钾, 可稀释标准标定液, 最终浓度 0.1N; 碘酸钾, 0.1N标准溶液; 碘酸钾, ACS

Database IDs

• CAS Number: 7758-05-6
• EC Number: 231-831-9; 231-791-2
• MDL Number: MFCD00011406
• Merck Index: 147642
• PubChem SID: 24881865; 24860728; 24881862; 162097040; 24898474; 24852484; 24852922; 24867454; 24858299; 24860727; 24863793; 24859163
• PubChem CID: 24448; 23665710
• Chemspider ID: 22856
• Unique Ingredient Identifier: I139E44NHL
• Wikipedia Title: Potassium_iodate

CALCULATED PROPERTIES

• Acid pKa: -32.990604
• H Acceptors: 3
• H Donor: 0
• LogD (pH = 5.5): -2.1981263
• LogD (pH = 7.4): -2.1981263
• Log P: 0.17827241
• Molar Refractivity: 17.6695 cm^3
• Polarizability: 8.199112 Å^3
• Polar Surface Area: 57.2 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 4.74 g/100 mL (0 °C) ; 9.16 g/100 mL (25 °C) ; 32.3 g/100 mL (100 °C) in water; H2O: soluble0.1 M at 20 °C, clear, colorless; H2O: soluble0.1 M at 25 °C, clear, colorless; Slightly soluble in boiling water. Insoluble in alcohol; soluble in KI solution ; insoluble in alcohol, liquid ammonia, nitric acid
• Apperance: Liquid; Powder; powder and chunks; white crystalline powder
• Melting Point: 560 °C decomp.; 560 °C(lit.); 560°C dec.
• Flash Point: Non-flammable
• Density: 1.005 g/mL at 25 °C; 3.89; 3.89 g/cm^3; 3.93 g/mL at 25 °C(lit.)
• Odor: odorless
• pH: 5.0-8.0 (25 °C, 0.1 M in H2O); 5.0-8.0 (25 °C, 5%); 5.0-8.0 (25 °C, 50 mg/mL in H2O)

Safety Information

• RTECS: NN1350000
• European Hazard Symbols: Oxidising (O); Irritant (Xi)
• UN Number: 1479; UN1479; UN3139
• German water hazard class: 2; 3
• Hazard Class: 5.1
• Packing Group: 2; II
• Risk Statements: 8-36/37/38; R9, R22, R36, R37, R38
• Safety Statements: 17-26-37; 26; S35
• TSCA Listed: 是
• EU Index: Oxidant [O]
• GHS Pictograms: GHS03; GHS07
• GHS Signal Word: Danger
• NFPA704:
  

  0

  2

  1
• GHS Hazard statements: H272-H315-H319-H335
• GHS Precautionary statements: P220-P261-P305 + P351 + P338; P221-P210-P305+P351+P338-P302+P352-P405-P501A
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges; Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Eyeshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 1479 5.1/PG 2

Product Information

• Purity: ≥98%; ≥98.0% (RT); ≥99.0%; ≥99.5%; ≥99.5% (RT); ≥99.7%; 98%; 99.4-100.4%; 99.4-100.4% (ACS specification); 99.5%; 99.7-100.4%; 99.995% trace metals basis
• Concentration: 0.05 M KIO3 (0.3N); 0.0950-0.1050 N (Exact value stated on label); 1/10 N; 1/60 M; 1/60 M KIO3 (0.1N)
• Grade: ACS reagent; JIS special grade; puriss. p.a.; purum; reagent grade; SAJ first grade
• Packaging: pkg of 1/60 mol (3.567 g KIO3)
• Impurities: <0.005% Insoluble matter; <0.01% Phosphorus (P); ≤0.002% total nitrogen (N); ≤0.005% insolubles; ≤0.005% N compounds; insoluble matter, passes filter test
• Cation Traces: Ag: ≤5 mg/kg; Al: <0.0005%; Al: ≤5 mg/kg; Ba: ≤20 mg/kg; Ba: ≤50 mg/kg; Bi: ≤5 mg/kg; Ca: <0.01%; Ca: ≤10 mg/kg; Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: <0.0005%; Cu: ≤5 mg/kg; Fe: <0.0005%; Fe: ≤0.001%; Fe: ≤10 mg/kg; Fe: ≤5 mg/kg; heavy metals (as Pb): ≤5 ppm; Li: ≤5 mg/kg; Mg: <0.005%; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: <0.5%; Na: ≤0.005%; Na: ≤50 mg/kg; NH4+: <0.05%; Ni: ≤5 mg/kg; Pb: <0.001%; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Tl: ≤5 mg/kg; Zn: <0.0005%; Zn: ≤5 mg/kg
• Antion Traces: bromide, bromate, chloride, chlorate (as Cl-): ≤100 mg/kg; bromide, bromate, chloride, chlorate (as Cl-): ≤200 mg/kg; chloride, bromide (as Cl)-: ≤0.01%; chloride, bromide (as Cl)-: ≤200 mg/kg; iodide (I-): ≤0.001%; iodide (I-): ≤10 mg/kg; iodide (I-): ≤20 mg/kg; sulfate (SO42-): <0.005%; sulfate (SO42-): ≤0.005%; sulfate (SO42-): ≤50 mg/kg
• Shelf Life: (limited shelf life, expiry date on the label)
• Loss on Drying: ≤0.05% loss on drying, 110 °C; ≤0.05% loss on drying, 130 °C
• Quality: certified by BAM, according to ISO 17025; volumetric
• Factor: 1.000 ±0.002
• Product Line: BioUltra; BioXtra
• abs.: absorption0.1M/276 nm, H2O cut-off
• Linear Formula: KIO3

DETAILS

Sigma Aldrich - 438464

Packaging
5, 25 g in poly bottle
Application
Oxidizer used recently to form 2-styrylchromones from o-hydroxy-ω-cinnamylideneacetophenones by oxidative cyclization.1

Sigma Aldrich - 34274

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 319392

General description
Visit our Titration Center to learn more.
Packaging
2 L in poly bottle
500 mL in poly bottle

Sigma Aldrich - 60388

Other Notes
Primary standard for iodometry;

Sigma Aldrich - P3959

Packaging
100 g in poly bottle

Sigma Aldrich - 60386

Analysis Note
Exact concentration, expiry date and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label.

Sigma Aldrich - 207977

Packaging
100, 500 g in poly bottle

Sigma Aldrich - 215929

Packaging
100, 500 g in poly bottle
12 kg in poly drum
2.5, 4×2.5 kg in poly bottle
5 g in glass bottle

Sigma Aldrich - 24-4805

Suitability
standard

Sigma Aldrich - 60390

Other Notes
Oxidizing agent for decomposition by fusion1,2

Sigma Aldrich - 38120

General description
Visit our Titration Center to learn more.
concentration after dilution to 1L: 1/60mol/L (0.1N); amount of substance 1/60mol (3.567 g KIO3)

Sigma Aldrich - 34273

General description
Visit our Titration Center to learn more.