CAS 18297-63-7|1,3-Bis(trimethylsilyl)urea
Introduction：Basic information about CAS 18297-63-7|1,3-Bis(trimethylsilyl)urea, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1,3-Bis(trimethylsilyl)urea | ||
|---|---|---|---|
| CAS Number | 18297-63-7 | Molecular Weight | 204.417 |
| Density | 0.9±0.1 g/cm3 | Boiling Point | 222°C |
| Molecular Formula | C7H20N2OSi2 | Melting Point | 219-221 °C(lit.) |
| MSDS | ChineseUSA | Flash Point | 65°C |
| Symbol | GHS02 | Signal Word | Danger |
Names
| Name | 1,3-Bis(trimethylsilyl)urea |
|---|---|
| Synonym | More Synonyms |
Chemical & Physical Properties
| Density | 0.9±0.1 g/cm3 |
|---|---|
| Boiling Point | 222°C |
| Melting Point | 219-221 °C(lit.) |
| Molecular Formula | C7H20N2OSi2 |
| Molecular Weight | 204.417 |
| Flash Point | 65°C |
| Exact Mass | 204.111420 |
| PSA | 41.13000 |
| LogP | 1.76 |
| Vapour Pressure | 0.177mmHg at 25°C |
| Index of Refraction | 1.427 |
| InChIKey | MASDFXZJIDNRTR-UHFFFAOYSA-N |
| SMILES | C[Si](C)(C)NC(=O)N[Si](C)(C)C |
| Storage condition | 2-8°C |
Safety Information
| Symbol | GHS02 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H228 |
| Precautionary Statements | P210 |
| Personal Protective Equipment | Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges |
| Hazard Codes | F,Xn |
| Risk Phrases | R11 |
| Safety Phrases | S14-S16-S24/25 |
| RIDADR | UN 1325 4.1/PG 2 |
| WGK Germany | 3 |
| Hazard Class | 4.1 |
| HS Code | 29310095 |
Customs
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Articles6
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| N, N′-Bis [trimethylsilyl]-urea: A Useful Silylating Agent for Alcohols and Carboxylic Acids. Verboom W, et al. Synthesis 1981(10) , 807-809, (1981) | |
| B.E. Cooper Chem. Ind. , 794, (1978) |
Synonyms
| bistrimethylsilylurea |
| Urea, N,N'-bis(trimethylsilyl)- |
| BSU |
| MFCD00008260 |
| Urea,TMS |
| 1,3-Bis(trimethylsilyl)urea |
| EINECS 242-177-9 |
| Hexamethyl disilaurea |
| N,N'-Bis(trimethylsilyl)urea |
