DDH
1,3-Dibromo-5,5-dimethylhydantoin
CAS: 77-48-5
Molecular Formula: C5H6Br2N2O2
DDH - Names and Identifiers
DDH - Physico-chemical Properties
| Molecular Formula | C5H6Br2N2O2 |
| Molar Mass | 285.92 |
| Density | 1.00 g/cm3 (25℃) |
| Melting Point | 197-199°C (dec.)(lit.) |
| Boling Point | 250.2±23.0 °C(Predicted) |
| Flash Point | 155 °C |
| Water Solubility | Soluble in Alcohol, Ether, Benzene. Insoluble in Water. |
| Solubility | 1g/l |
| Vapor Presure | 0.022mmHg at 25°C |
| Appearance | White Crystal |
| Color | Cream or light yellow |
| Merck | 14,3017 |
| BRN | 146024 |
| pKa | -3.44±0.40(Predicted) |
| Storage Condition | Store below +30°C. |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.6220 (estimate) |
| MDL | MFCD00003189 |
| Physical and Chemical Properties | Appearance: white or light yellow crystalline powder solubility: slightly soluble in water, soluble in chloroform, ethanol and other organic solvents |
| Use | Germicidal disinfectant |
DDH - Risk and Safety
| Risk Codes | R8 - Contact with combustible material may cause fire R22 - Harmful if swallowed R35 - Causes severe burns R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R50 - Very Toxic to aquatic organisms R34 - Causes burns |
| Safety Description | S17 - Keep away from combustible material. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3087 5.1/PG 2 |
| WGK Germany | 3 |
| RTECS | MU0686000 |
| TSCA | Yes |
| HS Code | 29332100 |
| Hazard Note | Harmful/Irritant |
| Hazard Class | 5.1 |
| Packing Group | II |
DDH - Upstream Downstream Industry
| Raw Materials | Sodium hypochlorite Hydrochloric acid |
DDH - Introduction
1,3-dibromo-5, 5-dimethylhydantoin (1,3-dibromo-5, 5-dimethylhydantoin) is an organic compound commonly used as a disinfectant and bleach. The following is an introduction to its nature, use, preparation and safety information:
Nature:
1,3-dibromo-5, 5-dimethylhydantoin is a colorless crystal that can be used as a solid, granular or powder. It hardly dissolves in water, but can dissolve slowly at higher temperatures. It has high solubility in organic solvents such as Alcohols, Ketones and esters. It is stable in air, but under the action of high temperature, flame or strong oxidant, it can be separated to release dangerous gases. It has a special smell.
Use:
1,3-dibromo-5, 5-dimethylhydantoin is mainly used for hygiene and disinfection applications. It can kill bacteria, viruses and fungi, and is often used in swimming pools, water treatment, drinking water disinfection and agricultural irrigation systems. In addition, it is also used as a bleaching agent and can be used in the bleaching of textiles, wood, paper and other materials.
Preparation Method:
1,3-dibromo-5, 5-dimethylhydantoin can be obtained by reacting 1,3-dibromo -5,5-dimethyl allantoin with alkali. The choice of base may be sodium hydroxide or potassium hydroxide. The reaction is usually carried out at an elevated temperature and the reaction product is extracted by crystallization or further processed to give the product.
Safety Information:
1,3-dibromo-5, 5-dimethylhydantoin is a chemical substance that has certain harm to human body and environment. Contact with skin and eyes can cause irritation and possible damage. Inhalation of its dust or vapors may cause respiratory irritation and other discomfort. Therefore, when using 1,3-dibromo-5, 5-dimethylhydantoin, appropriate safety measures should be taken, such as wearing protective gloves, goggles and protective masks to ensure good ventilation. In addition, the compound should be stored and handled properly, avoid contact with flammable substances and strong oxidants, and comply with relevant laws and regulations. Dispose of waste in accordance with local regulations.
Nature:
1,3-dibromo-5, 5-dimethylhydantoin is a colorless crystal that can be used as a solid, granular or powder. It hardly dissolves in water, but can dissolve slowly at higher temperatures. It has high solubility in organic solvents such as Alcohols, Ketones and esters. It is stable in air, but under the action of high temperature, flame or strong oxidant, it can be separated to release dangerous gases. It has a special smell.
Use:
1,3-dibromo-5, 5-dimethylhydantoin is mainly used for hygiene and disinfection applications. It can kill bacteria, viruses and fungi, and is often used in swimming pools, water treatment, drinking water disinfection and agricultural irrigation systems. In addition, it is also used as a bleaching agent and can be used in the bleaching of textiles, wood, paper and other materials.
Preparation Method:
1,3-dibromo-5, 5-dimethylhydantoin can be obtained by reacting 1,3-dibromo -5,5-dimethyl allantoin with alkali. The choice of base may be sodium hydroxide or potassium hydroxide. The reaction is usually carried out at an elevated temperature and the reaction product is extracted by crystallization or further processed to give the product.
Safety Information:
1,3-dibromo-5, 5-dimethylhydantoin is a chemical substance that has certain harm to human body and environment. Contact with skin and eyes can cause irritation and possible damage. Inhalation of its dust or vapors may cause respiratory irritation and other discomfort. Therefore, when using 1,3-dibromo-5, 5-dimethylhydantoin, appropriate safety measures should be taken, such as wearing protective gloves, goggles and protective masks to ensure good ventilation. In addition, the compound should be stored and handled properly, avoid contact with flammable substances and strong oxidants, and comply with relevant laws and regulations. Dispose of waste in accordance with local regulations.
Last Update：2024-04-09 20:52:54
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View History
Raw Materials for DDH