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Iodine pentoxide

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CAS:12029-98-0
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Iodine pentoxide Basic information
Physical Properties Uses Preparation Reactions
Product Name:Iodine pentoxide
Synonyms:iodineoxide(i2o5);IODINE(V) OXIDE;IODINE PENTOXIDE;IODINE PENTAOXIDE;IODINE OXIDE;IODIC ANHYDRIDE;IODIC ACID ANHYDRIDE;IODOPENTOXIDE
CAS:12029-98-0
MF:I2O5
MW:333.8
EINECS:234-740-2
Product Categories:Inorganics;halogen oxide
Mol File:12029-98-0.mol
Iodine pentoxide Structure
Iodine pentoxide Chemical Properties
Melting point 300-350°C (dec.)
density 5.08 g/mL at 25 °C
storage temp. Store at +5°C to +30°C.
form Crystalline
color White to cream
PH1.1 (100g/l, H2O, 25℃)
Water Solubility soluble
Sensitive Light Sensitive & Hygroscopic
Merck 14,5019
Stability:Stability Strong oxidizer - contact with combustible material may cause fire. Light and moisture sensitive. Incompatible with organic materials, combustible materials, water.
CAS DataBase Reference12029-98-0(CAS DataBase Reference)
NIST Chemistry Referencediiodine pentoxide(12029-98-0)
Safety Information
Hazard Codes O,C
Risk Statements 8-34
Safety Statements 17-26-27-36/37/39-45
RIDADR UN 3085 5.1/PG 2
WGK Germany 3
8
TSCA Yes
HS Code 2811 29 90
HazardClass 5.1
PackingGroup II
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
Iodine pentoxide Usage And Synthesis
Physical PropertiesWhite crystals; hygroscopic; density 4.98 g/cm3; decomposes around 300°C; highly soluble in water; soluble in nitric acid; insoluble in ethanol, ether and carbon disulfide.
UsesIodine pentoxide is used for analysis of carbon monoxide and for CO removal from air. It also is used as an oxidizing agent in other oxidation reactions.
PreparationIodine pentoxide is prepared by dehydration of iodic acid at 240°C.
2HIO3 → I2O5 + H2O
ReactionsIodine pentoxide is a strong oxidizing agent and reacts with various oxidizable substances. It oxidizes carbon monoxide to carbon dioxide. The reaction is quantitative and used to measure carbon monoxide in the air:
I2O5 + 5CO → I2 + 5CO2
It reacts with hydrogen sulfide, forming sulfur dioxide:
3I2O5 + 5H2S → 3I2 + 5SO2 + 5H2O
Oxidation reaction also occurs with hydrogen chloride, metal hydrides and a number of metal salts. It dissolves in water reacting to form iodic acid:
I2O5 + H2O → 2HIO3
Dissociation into iodine and oxygen commences when heated above 270°C.
Chemical Propertiesneedle shaped crystals
UsesOxidizes carbon monoxide to carbon dioxide with the formn of iodine (Ditte's reaction, which proceeds rapidly at 65° or above, but slowly at room temp). This reaction is used in gas analysis and for removing carbon monoxide from the air (in respirators preferably in presence of some H2SO4).
Iodine pentoxide Preparation Products And Raw materials
Raw materialsIodine-->Iodine-->POTASSIUM HYPOCHLORITE
Tag:Iodine pentoxide(12029-98-0) Related Product Information
Trifluoromethanesulfonic anhydride Vanadium(V) oxide Stannic oxide IODIC ACID Iodine pentoxide Sodium iodide Acetic anhydride Povidone iodine MALICANHYDRIDE Maleic anhydride Chromium(VI) oxide Glutaric anhydride Phthalic anhydride Niobium oxide TANTALUM(V) OXIDE Caronic anhydride Succinic anhydride Iodine