Potassium periodate
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Potassium periodate
structure -
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CAS No:
7790-21-8
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Formula:
HIO4.K
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Chemical Name:
Potassium periodate
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Synonyms:
Periodic acid (HIO4),potassium salt (1:1);Potassium periodate (KIO4);Periodic acid (HIO4),potassium salt;Potassium metaperiodate;Potassium iodate (KIO4);Potassium periodate;11128-53-3;26139-25-3
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CAS No:
Characteristics
74.27000
0.41050
White to off-white Powder/Solid
3.618
582 °C
H2O: 0.01 M at 20 °C, clear, colorless
2-8°C
Safety Information
II
5.1
UN 1479 5.1/PG 2
3
8-36/37/38
17-26-36-37/39
O,Xi
Stable. Strong oxidizer - contact with combustible materials may cause fire. Incompatible with organic material, combustible material, strong reducing agents, powdered metals.
P220-P261-P305 + P351 + P338
H272-H315-H319-H335
|Warning|H272 (100%): May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]|P210, P220, P221, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P405, and P501|Aggregated GHS information provided by 54 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Potassium periodate Use and Manufacturing
Chlorine oxidation method oxidizes iodine in aqueous medium by passing chlorine gas to generate periodate. After separating impurities, it is added to potassium hydroxide solution and neutralized to pH value of 2 to 3 to form potassium periodate solution, which is then purified , Separate impurities, evaporate and concentrate, cool and crystallize, centrifuge, and dry to prepare potassium periodate product. Its HIO4+KOH→KIO4+H2O
Powerful oxidizer in acid solution, oxidizing manganese Compounds to permanganate; used for this purpose in analytical chemistry (colorimetric estimation of Mn), also for the oxidation of some organic Compounds.
Periodic acid (HIO4), potassium salt (1:1): ACTIVE
Computed Properties
Molecular Weight:230.000
Hydrogen Bond Acceptor Count:4
Exact Mass:229.84784
Monoisotopic Mass:229.84784
Topological Polar Surface Area:74.3
Heavy Atom Count:6
Complexity:118
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes
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