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1,3-Dibromo-5,5-dimethylhydantoin, 98%, Thermo Scientific Chemicals
Description
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.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
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.
Solubility
Soluble in Alcohol, Ether, Benzene. Insoluble in Water.
Notes
Moisture sensitive. Store away from oxidizing agents, reducing agents, flammable substances, organic materials, metal powders & moisture.

Specifications
Specifications
Melting Point | ∼198°C (decomposition) |
Flash Point | 155°C (311°F) |
Quantity | 500 g |
UN Number | UN3085 |
Beilstein | 146024 |
Sensitivity | Moisture sensitive |
Solubility Information | Soluble in Alcohol,Ether,Benzene. Insoluble in Water. |
Formula Weight | 285.93 |
Percent Purity | 98% |
Chemical Name or Material | 1,3-Dibromo-5,5-dimethylhydantoin |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
10253321 | Certificate of Analysis | 16/12/2024 | A15510.22,A15510.0E,A15510.36 |
10251947 | Certificate of Analysis | 15/08/2024 | A15510.22,A15510.0E,A15510.36 |
10235096 | Certificate of Analysis | 27/06/2023 | A15510.22,A15510,A15510.0E,A15510.36 |
10245276 | Certificate of Analysis | 05/01/2023 | A15510.22,A15510.0E,A15510.36 |
10237750 | Certificate of Analysis | 12/04/2022 | A15510.22,A15510.0E,A15510.36 |
Safety and Handling




- 1,3-Dibromo-5,5-dimethylhydantoin
- Danger
- Acute toxicity Category 4
- ACUTE AQUATIC Acute 1
- Oxidising solid Category 2
- Skin corrosion/irritation Category 1 B
- H272-May intensify fire; oxidiser.
- H302-Harmful if swallowed.
- H314-Causes severe skin burns and eye damage.
- H400-Very toxic to aquatic life.
- P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
- P273-Avoid release to the environment.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
- P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- MIXTURE LIST-Contains : 1,3-Dibromo-5,5-dimethylhydantoin
RUO – Research Use Only
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