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HomeProduct name list(Diacetoxyiodo)benzene

(Diacetoxyiodo)benzene

Synonym(s):Iodobenzene diacetate;Iodosobenzene diacetate;Iodobenzene I,I-diacetate;Iodosobenzene I,I-diacetate;Phenyl-iodanediyl diacetate

  • CAS NO.:3240-34-4
  • Empirical Formula: C10H11IO4
  • Molecular Weight: 322.1
  • MDL number: MFCD00008692
  • EINECS: 221-808-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:07:02
(Diacetoxyiodo)benzene Structural

What is (Diacetoxyiodo)benzene?

Description

PIDA is a hypervalent iodine reagent with a wide variety of uses in organic chemistry. A closely related reagent is PIFA.

Chemical properties

white to light yellow crystal powder

The Uses of (Diacetoxyiodo)benzene

(Diacetoxyiodo)benzene is a hypervalent iodine reagent that is used in conjunction with catalytic amount of sodium azide in acetonitrile, which enables oxidative decarboxylation of 2-aryl carboxylic a cid into the corresponding aldehydes, ketones and nitriles.

The Uses of (Diacetoxyiodo)benzene

(Diacetoxyiodo)benzene is a hypervalent iodine reagent that is used in conjunction with catalytic amount of sodium azide in acetonitrile, which enables oxidative decarboxylation of 2-aryl carboxylic acid into the corresponding aldehydes, ketones and nitriles.

What are the applications of Application

(Diacetoxyiodo)benzene is an oxidant employed in the cleavage of vic-glycols, hydroxylations and other oxidation reactions

What are the applications of Application

(Diacetoxyiodo)benzene, an oxidizing agent, has a wide range of applications. (Diacetoxyiodo)benzene, also known as Diacetoxy Iodobenzene, is used in wide range of medicals industrial applications as well as in human and animal nutrition products such as antiseptics and disinfectants, pharmaceutical intermediates, polarizing films for liquid crystal display [LCD] chemicals.

Origin

This reagent was originally prepared by Conrad Willgerod by reacting iodobenzene with a mixture of acetic acid and peracetic acid: 
C6H5I + CH3CO3H + CH3CO2H → C6H5I(O2CCH3)2 + H2O

Purification Methods

The purity of diacetoxyiodobenzene can be checked by treatment with H2SO4 then KI and the liberated I2 is estimated with standard thiosulfate. It has been recrystallised from 5M acetic acid and dried overnight in a vacuum desiccator over CaCl2. The surface of the crystals may become slightly yellow but this does not affect its usefulness. [Sharefkin & Saltzman Org Synth Coll Vol V 600 1973, Beilstein 5 IV 693.]

Properties of (Diacetoxyiodo)benzene

Melting point: 161-163 °C (lit.)
Density  1.6865 (estimate)
refractive index  n/D 1.444
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  INSOLUBLE
appearance White powder
form  Solution
color  Clear to cloudy colorless to yellow
Water Solubility  INSOLUBLE
Sensitive  Light Sensitive
BRN  1879369
Stability: Light and Moisture sensitive
CAS DataBase Reference 3240-34-4(CAS DataBase Reference)
NIST Chemistry Reference Iodobenzene diacetate(3240-34-4)
EPA Substance Registry System Iodine, bis(acetato-.kappa.O)phenyl- (3240-34-4)

Safety information for (Diacetoxyiodo)benzene

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

Computed Descriptors for (Diacetoxyiodo)benzene

InChIKey ZBIKORITPGTTGI-UHFFFAOYSA-N

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