Carbamoyl chloride, dimethylthio-
N,N-Dimethylaminothioformyl chloride
CAS: 16420-13-6
Molecular Formula: C3H6ClNS
Carbamoyl chloride, dimethylthio- - Names and Identifiers
Carbamoyl chloride, dimethylthio- - Physico-chemical Properties
| Molecular Formula | C3H6ClNS |
| Molar Mass | 123.6 |
| Density | 1.204 (estimate) |
| Melting Point | 39-43 °C (lit.) |
| Boling Point | 90-95 °C/0.5 mmHg (lit.) |
| Flash Point | 209°F |
| Water Solubility | reacts |
| Solubility | Solubility in water: Reacts |
| Vapor Presure | 0.00249mmHg at 25°C |
| Appearance | Colorless crystal |
| Color | Slightly yellow to yellow |
| BRN | 635823 |
| pKa | 0.30±0.50(Predicted) |
| Storage Condition | 2-8°C |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.6100 (estimate) |
| MDL | MFCD00004919 |
| Physical and Chemical Properties | Melting point 39-43°C(lit.) boiling point 90-95 ° C 0.5mm Hg(lit.) flash point 209 °F Storage Conditions 2-8°C |
| Use | Used as a pharmaceutical Intermediate |
Carbamoyl chloride, dimethylthio- - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R22 - Harmful if swallowed R34 - Causes burns R29 - Contact with water liberates toxic gas R14 - Reacts violently with water |
| Safety Description | 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.) S8 - Keep container dry. S30 - Never add water to this product. S22 - Do not breathe dust. S27 - Take off immediately all contaminated clothing. |
| UN IDs | UN 3261 8/PG 2 |
| WGK Germany | 2 |
| FLUKA BRAND F CODES | 10-19-21 |
| TSCA | Yes |
| HS Code | 29302000 |
| Hazard Note | Corrosive |
| Hazard Class | 8 |
| Packing Group | III |
Carbamoyl chloride, dimethylthio- - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | for organic synthesis. Used as a pharmaceutical intermediate |
| Production method | It is obtained by the reaction of tetramethylthiuram disulfide and chlorine in carbon tetrachloride. First use carbon tetrachloride to absorb chlorine at low temperature to prepare a chlorine carbon tetrachloride solution for later use, then stir tetramethylthiuram disulfide and carbon tetrachloride into a suspension, and heat and reflux on a water bath. Add the above chlorine carbon tetrachloride solution quickly. After adding, evaporate most of the carbon tetrachloride, and filter out the precipitated sulfur after cooling. The filtrate is further concentrated and then subjected to vacuum distillation to collect the 65-68°C (26.7Pa) fraction, which is the finished product, with 80% yield. |
Last Update：2024-04-10 22:29:15
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