POTASSIUM (META)PERIODATE, ACS
Potassium periodate
CAS: 7790-21-8
Molecular Formula: H2IKO4
POTASSIUM (META)PERIODATE, ACS - Names and Identifiers
| Name | Potassium periodate |
| Synonyms | Potassium periodate PotassiumPeriodateKIO4 Potassium metaperiodate Potassium meta periodate PotassiumMetaperiodateGr Potassium tetroxoiodate(vii) POTASSIUM (META)PERIODATE, ACS PotassiumMetaperiodateExtraPure POTASSIUM TETROXOIODATE(VII) R. G., REAG . ACS |
| CAS | 7790-21-8 |
| EINECS | 232-196-0 |
| InChI | InChI=1/HIO4.K/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1 |
POTASSIUM (META)PERIODATE, ACS - Physico-chemical Properties
| Molecular Formula | H2IKO4 |
| Molar Mass | 232.01 |
| Density | 3.618 |
| Melting Point | 582 °C |
| Boling Point | explodes [HAW93] |
| Water Solubility | 0.42 g/100 mL (20 ºC) |
| Solubility | H2O: 0.01M at20°C, clear, colorless |
| Vapor Density | 7.9 (vs air) |
| Appearance | Powder/Solid |
| Specific Gravity | 3.618 |
| Color | White to off-white |
| Odor | Odorless |
| Merck | 14,7654 |
| PH | pH (5g/l, 25℃) : 4.5～5.5 |
| Storage Condition | 2-8°C |
| Stability | Stable. Strong oxidizer - contact with combustible materials may cause fire. Incompatible with organic material, combustible material, strong reducing agents, powdered metals. |
| Physical and Chemical Properties | Colorless crystalline or white granular powder. Relative density 3.618(15 degrees C). Melting point 582 °c. Boiling point explosion. Soluble in hot water, micro-soluble in cold water. Difficult to dissolve in potassium hydroxide solution. Insoluble in ethanol. In aqueous solution is a strong oxidizing agent, for example a manganese oxide compound permanganate. |
| Use | Used as an oxidant |
POTASSIUM (META)PERIODATE, ACS - Risk and Safety
| Risk Codes | R8 - Contact with combustible material may cause fire R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S17 - Keep away from combustible material. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S37/39 - Wear suitable gloves and eye/face protection |
| UN IDs | UN 1479 5.1/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| HS Code | 28299000 |
| Hazard Class | 5.1 |
| Packing Group | II |
POTASSIUM (META)PERIODATE, ACS - Upstream Downstream Industry
| Raw Materials | Iodine |
POTASSIUM (META)PERIODATE, ACS - Nature
Open Data Verified Data
colorless crystalline or white granular powder. Relative density 3. 618 (15 °c). Melting point 582 °c. Boiling point explosion. Soluble in hot water, micro-soluble in cold water. Difficult to dissolve in potassium hydroxide solution. Insoluble in ethanol. In aqueous solution is a strong oxidizing agent, for example a manganese oxide compound permanganate.
Last Update：2024-01-02 23:10:35
POTASSIUM (META)PERIODATE, ACS - Preparation Method
Open Data Verified Data
chlorine oxidation method: the iodine is oxidized in an aqueous medium with chlorine gas to generate periodic acid. After separation, potassium hydroxide solution is added and neutralized to Ph 2~3. The Potassium periodate solution is generated, and then purified, the impurities are separated, evaporated and concentrated, cooled and crystallized, centrifuged and dried to obtain the finished Potassium periodate product.
Last Update：2022-01-01 11:01:40
POTASSIUM (META)PERIODATE, ACS - Use
Open Data Verified Data
oxidants for organic compounds. General reagents.
Last Update：2022-01-01 11:01:39
POTASSIUM (META)PERIODATE, ACS - Safety
Open Data Verified Data
The iron cylinder is packed with two layers of polyethylene plastic bags, and the net weight of each cylinder is 2kg and 5kg. Package shall be marked with "oxidant. Hazard code: oxidant GB 5.1 class 51513. Toxicity and protection: can form an explosive mixture with combustible materials. Toxic. Other references Sodium periodate.
Last Update：2022-01-01 11:01:40
POTASSIUM (META)PERIODATE, ACS - Reference Information
| pH range of acid-base indicator discoloration | 4.5 - 5.5 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| solubility in water (g/100ml) | grams dissolved per 100ml of water at different temperatures (℃): 0.17g/0 ℃;0.28g/10 ℃;0.42g/20 ℃;0.65g/30 ℃;1g/40 ℃; 2.1g/60 ℃;4.4g/80 ℃;5.9g/90 ℃ |
| toxicity | can form an explosive mixture with combustible materials. Toxic. See Sodium periodate for others. |
| Use | oxidants for organic compounds. General reagents. use as analytical reagent and oxidizing agent use as oxidizing agent compounds that are strongly oxidizing in an acidic solution and oxidize manganese form permanganate. Analytical for Colorimetric Determination of manganese. It is also used for the oxidation of certain organic compounds. |
| production method | iodine is oxidized by chlorine gas in aqueous medium to form periodic acid, potassium hydroxide solution is added and neutralized to Ph 2~3 to form Potassium periodate solution, which is purified to separate impurities, evaporated and concentrated, cooled to crystallize, centrifuged and dried to obtain Potassium periodate finished product. HIO4 KOH → KIO4 H2O |
Last Update：2024-04-10 22:29:15
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Raw Materials for POTASSIUM (META)PERIODATE, ACS