207772
Iodine
ACS reagent, ≥99.8%, solid
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About This Item
Empirical Formula (Hill Notation):
I2
CAS Number:
Molecular Weight:
253.81
NACRES:
NA.21
PubChem Substance ID:
eCl@ss:
38050601
UNSPSC Code:
12141916
EC Number:
231-442-4
MDL number:
Beilstein/REAXYS Number:
3587194
Assay:
≥99.8%
Grade:
ACS reagent
Form:
solid
grade
ACS reagent
Quality Level
vapor density
9 (vs air)
vapor pressure
0.31 mmHg ( 25 °C), 1 mmHg ( 38.7 °C)
assay
≥99.8%
form
solid
resistivity
1.3E15 μΩ-cm
impurities
≤0.01% nonvolatiles
bp
184 °C (lit.)
mp
113 °C (lit.)
anion traces
Cl- and Br-: ≤0.005%
storage temp.
room temp
SMILES string
II
InChI
1S/I2/c1-2
InChI key
PNDPGZBMCMUPRI-UHFFFAOYSA-N
General description
Iodine exhibits exceptionally high dielectric polarization in various solvents (dioxane, isobutylene, p-xylene and benzene).
Application
Iodine may be used to catalyze:
- Synthesis of 5-(4-nitrophenyl)-10,15,20-triphenylporphyrin.
- Oxidative C-H bond amination of saturated hydrocarbons.
- Protection of amines with benzyloxycarbonyl (Cbz) group.
- Direct oxidative coupling/annulation of β-keto esters or 2-pyridinyl-β-esters with alkenes to form dihydrofurans and indolizine, respectively.
- Thiocyanation of aromatic systems to form aryl thiocyanates.
- Esterification of cellulose with acetic anhydride to form cellulose triacetate.
Catalyst for synthesis of esters by condensation of carboxylic acids with alcohols or transfesterification.
A mild and efficient method for esterification and transesterification catalyzed by iodine
A mild and efficient method for esterification and transesterification catalyzed by iodine
Iodine has been used for the easy visualization of 9-bromononanoic acid, allyl ester by thin layer chromatography (TLC). It has also been used for the preparation of oxidation solution, required for the synthesis of oligodeoxynucleotides bearing 3′-terminal phosphorothioate.
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signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Eye Irrit. 2 - Skin Irrit. 2 - STOT RE 1 Oral - STOT SE 3
target_organs
Respiratory system, Thyroid
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
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An Iodine-Catalyzed Hofmann-Loffler Reaction.
Martinez C and Mu?iz K.
Angewandte Chemie (International Edition in English), 54(28), 8287-8291 (2015)
Iodine/MeOH: a novel and efficient reagent system for thiocyanation of aromatics and heteroaromatics.
Yadav JS, et al.
Tetrahedron Letters, 45(14), 2951-2954 (2004)
Iodine catalyzed esterification of cellulose using reduced levels of solvent.
Biswas A, et al.
Carbohydrate Polymers, 68(3), 555-560 (2007)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 207772-100G | 04061837768309 |
| 207772-500G | 04061837768323 |
| 207772-12KG | 04061838768964 |
| 207772-1KG | 04061838768971 |
| 207772-2.5KG | 04061838768988 |
| 207772-4X100G | 04061832562582 |
| 207772-5G | 04061838768995 |