1,3-Bis(trimethylsilyl)urea
六甲基二硅脲
Also known as: BSU, N,N'-Bis(trimethylsilyl)urea, Bis(trimethylsilyl)urea, Hexamethyl disilaurea, Urea, N,N'-bis(trimethylsilyl)-, Urea, TMS, bistrimethylsilylurea, MFCD00008260, EINECS 242-177-9
- CAS No.
- 18297-63-7
- Jingsj CID
- J-35917-5
- Molecular Formula
- C7H20N2OSi2
- Chinese Name
- 六甲基二硅脲
- Molecular Weight
- 204.417 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 219-221 °C(lit.) |
|---|---|
| Boiling Point | 222°C |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 65°C |
GHS Safety & Compliance
FlammableSignal word: Danger
Frequently Asked Questions
What is the CAS number of 1,3-Bis(trimethylsilyl)urea?
18297-63-7
What are the molecular formula and molecular weight of 1,3-Bis(trimethylsilyl)urea?
C7H20N2OSi2, molecular weight 204.417 g/mol
Is 1,3-Bis(trimethylsilyl)urea hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026