O-Methylisourea hemisulfate
Synonym(s):OMI
- CAS NO.：52328-05-9
- Empirical Formula: C4H14N4O6S
- Molecular Weight: 246.24
- MDL number: MFCD00040594
- EINECS: 257-851-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:05:58
What is O-Methylisourea hemisulfate?
Chemical properties
White crystals or crystalline powder
The Uses of O-Methylisourea hemisulfate
O-Methylisourea Hemisulfate was used as a reagent in the preparation of (D,L)-arginine methyl ester analogs which display antiarrhythmic actiivity. It was also used in the synthesis of ethyl [6-methyl-2-methoxy-3-(substituted phenylethanone)-4-(substituted phenyl)]-1,2,3,4-tetrahydropyrimidine-5-carboxylates which display antimicrobial activity towards mycobacterium tuberculosis, staphylococcus aureus and bacillus subtilis at varying conentration ranges.
Flammability and Explosibility
Not classified
Properties of O-Methylisourea hemisulfate
| Melting point: | 163-167 °C(lit.) |
| vapor pressure | 7.4Pa at 25℃ |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | H2O: 0.1 g/mL, clear |
| form | Solid |
| color | White to Off-White |
| Water Solubility | 1000 g/L (20 ºC) |
| BRN | 3723107 |
| InChI | InChI=1S/2C2H6N2O.H2O4S/c2*1-5-2(3)4;1-5(2,3)4/h2*1H3,(H3,3,4);(H2,1,2,3,4) |
| CAS DataBase Reference | 52328-05-9(CAS DataBase Reference) |
Safety information for O-Methylisourea hemisulfate
| Signal word | Warning |
| Pictogram(s) |
 Health Hazard GHS08 |
| GHS Hazard Statements |
H320:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. |
Computed Descriptors for O-Methylisourea hemisulfate
| InChIKey | MDFRYRPNRLLJHT-UHFFFAOYSA-N |
| SMILES | S(=O)(=O)(O)O.C(=N)(N)OC.C(=N)(N)OC |
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