1,3-Bis(trimethylsilyl)urea
Names
[ CAS No. ]:
18297-63-7
[ Name ]:
1,3-Bis(trimethylsilyl)urea
[Synonym ]:
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
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
[ Storage condition ]:
2-8°C
MSDS
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
Precursor & DownStream
Precursor
DownStream
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%
Articles
Biosystems 137 , 64-72, (2015)
Efficiently identifying functionally important genes in order to understand the minimal requirements of normal cellular development is challenging. To this end, a variety of structural measures have b...
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)