A6706612
Potassium periodate , AR,99.8% , 7790-21-8
Synonym(s):
Periodic acid potassium salt;Potassium (meta)periodate;Potassium periodate
CAS NO.：7790-21-8
Empirical Formula: H2IKO4
Molecular Weight: 232.01
MDL number: MFCD00011407
EINECS: 232-196-0
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 582 °C |
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| Boiling point: | explodes [HAW93] |
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| Density | 3.618 |
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| vapor density | 7.9 (vs air) |
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| storage temp. | 2-8°C |
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| solubility | H2O: 0.01 M at 20 °C, clear, colorless |
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| form | Powder/Solid |
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| color | White to off-white |
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| Specific Gravity | 3.618 |
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| Odor | Odorless |
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| PH | pH (5g/l, 25℃) : 4.5～5.5 |
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| PH Range | 4.5 - 5.5 |
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| Water Solubility | 0.42 g/100 mL (20 ºC) |
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| Merck | 14,7654 |
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| crystal system | square |
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| Space group | I41/a |
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| Lattice constant |
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| Stability: | Stable. Strong oxidizer - contact with combustible materials may cause fire. Incompatible with organic material, combustible material, strong reducing agents, powdered metals. |
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| InChI | 1S/HIO4.K/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1 |
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| InChIKey | FJVZDOGVDJCCCR-UHFFFAOYSA-M |
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| SMILES | [K+].[O-]I(=O)(=O)=O |
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| CAS DataBase Reference | 7790-21-8(CAS DataBase Reference) |
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| EPA Substance Registry System | Periodic acid (HIO4), potassium salt (7790-21-8) |
Description and Uses
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.
Safety
| Symbol(GHS) |   GHS03,GHS07 |
| Signal word | Danger |
| Hazard statements | H272-H315-H319-H335 |
| Precautionary statements | P264-P280-P261-P271-P302+P352-P332+P313-P362+P364-P305+P351+P338-P337+P313-P304+P340-P312-P403+P233-P405-P501 |
| target organs | Thyroid |
| Hazard Codes | O,Xi |
| Risk Statements | 8-36/37/38 |
| Safety Statements | 17-26-36-37/39 |
| RIDADR | UN 1479 5.1/PG 2 |
| WGK Germany | 3 |
| F | 3 |
| TSCA | TSCA listed |
| HazardClass | 5.1 |
| PackingGroup | II |
| HS Code | 28299000 |
| Storage Class | 5.1A - Strongly oxidizing hazardous materials |
| Hazard Classifications | Aquatic Acute 1 Eye Dam. 1 Ox. Sol. 1 Skin Corr. 1C STOT RE 1 |
