1,3-Diiodo-5,5-dimethylhydantoin
ALDRICH/711624 - ≥96%
Synonym: DIH
CAS Number: 2232-12-4
Empirical Formula (Hill Notation): C5H6I2N2O2
Molecular Weight: 379.92
MDL Number: MFCD00020867
Linear Formula: C5H6I2N2O2
Product Type: Chemical
| assay | ≥96% |
| form | powder |
| InChI | 1S/C5H6I2N2O2/c1-5(2)3(10 |
| InChI key | RDZHCKRAHUPIFK-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| SMILES string | CC1(C)N(I)C(=O)N(I)C1=O |
| storage temp. | −20°C |
| 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 |
| Packaging: | 5, 25 g in glass bottle |
| Symbol | ![]() ![]() GHS03,GHS05,GHS09 |
| Signal word | Danger |
| Hazard statements | H272 - H314 - H400 |
| Precautionary statements | P220 - P273 - P280 - P305 + P351 + P338 - P310 |
| Hazard Codes | O,C,N |
| Risk Statements | 8-35-50/53 |
| Safety Statements | 26-36/37/39-45-60-61 |
| RIDADR | UN 3085 8(5.1) / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥96% |
| Storage Temp. | −20°C |
| UNSPSC | 12352101 |




