5,5-DIMETHYL-2,4-OXAZOLIDINEDIONE
5,5-Dimethyloxazolidine-2,4-dione
CAS: 695-53-4
Molecular Formula: C5H7NO3
5,5-DIMETHYL-2,4-OXAZOLIDINEDIONE - Names and Identifiers
| Name | 5,5-Dimethyloxazolidine-2,4-dione |
| Synonyms | propazone DIMETHADIONE Dimethadione 5,5-Dimethyloxazolidine-2,4-dione 5,5-DIMETHYLOXAZOLIDINE-2,4-DIONE 5,5-DIMETHYL-2,4-OXAZOLIDINEDIONE 5,5-Dimethyl-2,4-Oxazolidinedione 5,5'-DIMETHYLOXAZOLIDIN-2,4-DIONE 5,5'-DIMETHYLOXAZOLIDINE-2,4-DIONE 2,4-Oxazolidinedione, 5,5-dimethyl- 3,5-dimethyl-1,3-oxazolidine-2,4-dione 5,5-Dimethyl-1,3-oxazolidine-2,4-dione 5,5-dimethyl-1,3-oxazolidine-2,4-dione 5,5-dipropyl-1,3-oxazolidine-2,4-dione |
| CAS | 695-53-4 |
| EINECS | 211-781-4 |
| InChI | InChI=1/C5H7NO3/c1-3-4(7)6(2)5(8)9-3/h3H,1-2H3 |
| InChIKey | JYJFNDQBESEHJQ-UHFFFAOYSA-N |
5,5-DIMETHYL-2,4-OXAZOLIDINEDIONE - Physico-chemical Properties
| Molecular Formula | C5H7NO3 |
| Molar Mass | 129.11 |
| Density | 1.3816 (rough estimate) |
| Melting Point | 77-80 °C (lit.) |
| Boling Point | 137 °C / 6mmHg |
| Flash Point | 44.2°C |
| Solubility | Chloroform, Ethyl Acetate |
| Vapor Presure | 4.01mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | White |
| Merck | 14,3213 |
| BRN | 113541 |
| pKa | 6.13(at 37℃) |
| Storage Condition | 2-8°C |
| Refractive Index | 1.4220 (estimate) |
| Physical and Chemical Properties | Melting point 75-80°C |
5,5-DIMETHYL-2,4-OXAZOLIDINEDIONE - Risk and Safety
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R40 - Limited evidence of a carcinogenic effect R33 - Danger of cumulative effects R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. S23 - Do not breathe vapour. S36/37 - Wear suitable protective clothing and gloves. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| RTECS | RP9100000 |
| TSCA | Yes |
| HS Code | 29349990 |
| Toxicity | LD50 i.v. in mice: 450 mg/kg (Stoughton) |
5,5-DIMETHYL-2,4-OXAZOLIDINEDIONE - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| biological activity | 5,5-Dimethyloxazolidine-2,4-dione (Dimethadione, dimethloxazolidinedione, Dimethadion) is an antispasmodic agent, it is an active metabolite of trimethyldione. |
| Application | has a wide range of industrial applications, mainly for the preparation of various resins, coatings, fungicides, plasticizers and drugs. |
Last Update：2024-04-09 15:16:52
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