1,3-Dibromo-5,5-dimethylhydantoin
Synonym(s):1,3-Dibromo-5,5-dimethylhydantoin;Dibromantin
- CAS NO.：77-48-5
- Empirical Formula: C5H6Br2N2O2
- Molecular Weight: 285.92
- MDL number: MFCD00003189
- EINECS: 201-030-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-21 22:41:43
What is 1,3-Dibromo-5,5-dimethylhydantoin?
Chemical properties
solid
The Uses of 1,3-Dibromo-5,5-dimethylhydantoin
Brominating agent. Analytical reagent for determination of iodide and organic iodine, and for identification tests.
The Uses of 1,3-Dibromo-5,5-dimethylhydantoin
It is used for drinking water purification, recreational water treatment, as a bleaching agent in pulp and paper mills, and for treating industrial/commercial water cooling systems. It is an efficient and selective agent for the oxidation of thiols to disulfides in solution or under solvent-free conditions.
What are the applications of Application
1,3-Dibromo-5,5-dimethylhydantoin is a positively charged free radical brominating agent
Purification Methods
Recrystallise it from H2O. Its solubility in CCl4 is 0.003 mol/L at 25o and 0.024 mol/L at 76.5o. [Beilstein 24 III/IV 1101.]
Properties of 1,3-Dibromo-5,5-dimethylhydantoin
| Melting point: | 197-199 °C (dec.)(lit.) |
| Boiling point: | 250.2±23.0 °C(Predicted) |
| Density | 1.00 g/cm3 (25℃) |
| refractive index | 1.6220 (estimate) |
| Flash point: | 155 °C |
| storage temp. | Store below +30°C. |
| solubility | 1g/l |
| form | Powder |
| pka | -3.44±0.40(Predicted) |
| color | Cream or light yellow |
| Water Solubility | Soluble in Alcohol, Ether, Benzene. Insoluble in Water. |
| Sensitive | Moisture Sensitive |
| Decomposition | 197-199 ºC |
| Merck | 14,3017 |
| BRN | 146024 |
| CAS DataBase Reference | 77-48-5(CAS DataBase Reference) |
| EPA Substance Registry System | 1,3-Dibromo-5,5-dimethylhydantoin (77-48-5) |
Safety information for 1,3-Dibromo-5,5-dimethylhydantoin
| Signal word | Danger |
| Pictogram(s) |
 Flame Over Circle Oxidizers GHS03  Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H272:Oxidising liquids;Oxidising solids H301:Acute toxicity,oral H314:Skin corrosion/irritation H317:Sensitisation, Skin H400:Hazardous to the aquatic environment, acute hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,3-Dibromo-5,5-dimethylhydantoin
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