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| CAS No.: | 12029-98-0 |
|---|---|
| Name: | Iodine pentoxide |
| Article Data: | 90 |
| Molecular Structure: | |
|
|
|
| Formula: | I2O5 |
| Molecular Weight: | 333.806 |
| Synonyms: | Diiodinepentaoxide;Diiodine pentaoxide;Iodine pentoxide (I2O5);Iodine pentoxide; |
| EINECS: | 234-740-2 |
| Density: | 5.08 g/mL at 25 °C |
| Melting Point: | 300-350 °C (dec.) |
| Boiling Point: | 184.3°C at 760 mmHg |
| Solubility: | Easily soluble in water; Soluble in methanol; Insoluble in absolute alcohol, ether, chloroform and carbon disulfide |
| Appearance: | needle shaped crystals |
| Hazard Symbols: |
 O, C
|
| Risk Codes: | 8-34 |
| Safety: | 17-26-27-36/37/39-45 |
| Transport Information: | UN 3085 5.1/PG 2 |
| PSA: | 77.51000 |
| LogP: | 1.22780 |
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| Conditions | Yield |
|---|---|
| In neat (no solvent) N2O5 (from P2O5 with HNO3); heating first to 50°C, at the end of reaction to 90°C;; drying on heating, removal of excessive iodine by sublimation; recrystallization in water several times, drying on heating to 220°C;; | 40% |
| In neat (no solvent) N2O5 (from P2O5 with HNO3); heating first to 50°C, at the end of reaction to 90°C;; drying on heating, removal of excessive iodine by sublimation; recrystallization in water several times, drying on heating to 220°C;; | 40% |
| In tetrachloromethane byproducts: O2; reaction of N2O5 with soln. of I2 in CCl4 at 0°C; at higher temp. formation of some O2;; | |
| In tetrachloromethane byproducts: O2; reaction of N2O5 with soln. of I2 in CCl4 at 0°C; at higher temp. formation of some O2;; |
| Conditions | Yield |
|---|---|
| In water passing stream of O3 quickly through neutral soln.;; | |
| In water passing stream of O3 quickly through neutral soln.;; | 0% |
| In neat (no solvent) | |
| In neat (no solvent) | |
| In water |
| Conditions | Yield |
|---|---|
| In not given byproducts: HClO4; I2 reacts with chlorine heptoxide at normal temp. under explosion, at low temp. slowlier; reactn. product: white powder: heating (100°C) -> setting free HClO4, residue: I2O5;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) reaction by influence of O3 on solid, dry I2;; |
- 80937-33-3
oxygen
- 10028-15-6
ozone
- 7681-11-0
potassium iodide
A
- 12029-98-0
iodine pentoxide
B
- 15056-35-6
periodate
C
- 15454-31-6
iodate
| Conditions | Yield |
|---|---|
| With Na2CO3 or K2CO3 In not given reaction by use of a O3-O2 mixture in a Na2CO3- or K2CO3-containing alcaline 0.1n-KI soln. for a period of 20-30 min.;; |
| Conditions | Yield |
|---|---|
| In not given reaction by absorption of O3-containing O2 in a 3-8% KI soln.;; |
- 10049-04-4, 25052-55-5
chlorine dioxide
- 7553-56-2
iodine
A
- 12029-98-0
iodine pentoxide
B
- 865-44-1
iodine trichloride
| Conditions | Yield |
|---|---|
| In neat (no solvent) from ClO2 (from KClO3 and H2SO4) and dry iodine;; ICl3 evaporated on water bath by grinding; I2O5 very pure;; | |
| In neat (no solvent) from ClO2 (from KClO3 and H2SO4) and dry iodine;; ICl3 evaporated on water bath by grinding; I2O5 very pure;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) on heating I2 with euchlorine;; | |
| In neat (no solvent) on heating I2 with euchlorine;; | |
| In neat (no solvent) |
| Conditions | Yield |
|---|---|
| In neat (no solvent) from solid N2O5 and dry I2;; product mixture;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) at red heat with platinum asbestos or -sponge;; | 0% |
| Electric Arc; mixture of I2O5 and other iodine oxides;; | |
| In neat (no solvent) 90-100atm O2-pressure; heating to 250°C;; |
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Specification
The Iodine pentoxide, with the CAS registry number 12029-98-0, is also known as Diiodine pentaoxide. It belongs to the product categories of Inorganics; Halogen oxide. Its EINECS number is 234-740-2. This chemical's molecular formula is I2O5 and molecular weight is 333.81. What's more, its systematic name is Oxybis(iodane) tetraoxide. This iodine oxide is the anhydride of iodic acid, and the only stable anhydride of iodine. This chemical is stable at common pressure and temperature, and it should be sealed and stored in a cool and dry place. Moreover, it should be protected from reductants, organic materials, metal powder and light.
Physical properties of Iodine pentoxide are: (1)ACD/LogP: -5.67; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -5.67; (4)ACD/LogD (pH 7.4): -5.67; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00 ; (7)#H bond acceptors: 5; (8)#H bond donors: 0; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 77.51 Å2.
Preparation: this chemical is produced by dehydrating iodic acid at 200 °C in a stream of dry air.
2HIO3 → I2O5 + H2O
When you are using this chemical, please be cautious about it as the following:
This chemical can cause burns. When contact with combustible material, it may cause fire. You should keep them away from combustible material. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear suitable protective clothing, gloves and eye/face protection. You must take off immediately all contaminated clothing. In case of accident or if you feel unwell, you should seek medical advice immediately (show the label where possible).
You can still convert the following datas into molecular structure:
(1)SMILES: O=I(=O)OI(=O)=O
(2)Std. InChI: InChI=1S/I2O5/c3-1(4)7-2(5)6
(3)Std. InChIKey: BIZCJSDBWZTASZ-UHFFFAOYSA-N