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Sigma-Aldrich

1,3-Diiodo-5,5-dimethylhydantoin

≥96%

Synonym(s):

DIH

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About This Item

Empirical Formula (Hill Notation):
C5H6I2N2O2
CAS Number:
Molecular Weight:
379.92
Beilstein:
146040
MDL number:
UNSPSC Code:
12352101
PubChem Substance ID:
NACRES:
NA.22

Assay

≥96%

form

powder

storage temp.

−20°C

SMILES string

CC1(C)N(I)C(=O)N(I)C1=O

InChI

1S/C5H6I2N2O2/c1-5(2)3(10)8(6)4(11)9(5)7/h1-2H3

InChI key

RDZHCKRAHUPIFK-UHFFFAOYSA-N

Application

DIH - Highly efficient and economical reagent for Iodination

Used for:
  • Preparation of nitriles from corresponding alcohols and amines via oxidative conversion
  • Chemoselective, stereospecific iododesilylation of silylated alkenes
  • Preparation of N-benzyl toluenesulfonamides via sulfonylamidation of alkylbenzenes with toluenesulfonamide in presence of diiododimethylhydantoin
  • Iodination reactions

Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Acute 1 - Ox. Sol. 2 - Skin Corr. 1B

Storage Class Code

5.1B - Oxidizing hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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For vascular anomalies, when clinical findings are not sufficient, auxiliary examination is essential. In this study, we characterize and differentiate the ultrasound (US) findings of deep infantile hemangioma (DIH) and venous malformation (VM). A total of 135 patients (140 lesions)

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