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HomeProduct name list1,3-Bis(trimethylsilyl)urea

1,3-Bis(trimethylsilyl)urea

Synonym(s):N,N′-Bis(trimethylsilyl)urea;BSU

  • CAS NO.:18297-63-7
  • Empirical Formula: C7H20N2OSi2
  • Molecular Weight: 204.42
  • MDL number: MFCD00008260
  • EINECS: 242-177-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
1,3-Bis(trimethylsilyl)urea Structural

What is 1,3-Bis(trimethylsilyl)urea?

Chemical properties

White solid with mild odor

The Uses of 1,3-Bis(trimethylsilyl)urea

N,N'-Bis(trimethylsilyl)urea is used as a reagent for the silylation of alcohols and carboxylic acids.

Flammability and Explosibility

Not classified

Properties of 1,3-Bis(trimethylsilyl)urea

Melting point: 219-221 °C(lit.)
Boiling point: 222°C
Density  0.887
vapor pressure  0.002-1850Pa at 25℃
Flash point: 65°C
storage temp.  Inert atmosphere,Room Temperature
solubility  pyridine: soluble100mg/mL, clear to slightly hazy, colorless to light yellow
form  solid
pka 16.51±0.46(Predicted)
color  White to Almost white
Water Solubility  Reacts with water.
Sensitive  Moisture Sensitive
Hydrolytic Sensitivity 7: reacts slowly with moisture/water
BRN  1937452
CAS DataBase Reference 18297-63-7(CAS DataBase Reference)
NIST Chemistry Reference Urea, n,n'-bis(trimethylsilyl)-(18297-63-7)
EPA Substance Registry System N,N'-Bis(trimethylsilyl)urea (18297-63-7)

Safety information for 1,3-Bis(trimethylsilyl)urea

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
GHS Hazard Statements H228:Flammable solids
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

Computed Descriptors for 1,3-Bis(trimethylsilyl)urea

InChIKey MASDFXZJIDNRTR-UHFFFAOYSA-N

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