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ChemicalBook > Product Catalogue >Chemical Reagents >Silane reagent >1,3-Bis(trimethylsilyl)urea

1,3-Bis(trimethylsilyl)urea

1,3-Bis(trimethylsilyl)urea Structure
  • ₹2024.28 - ₹9909
  • Product name: 1,3-Bis(trimethylsilyl)urea
  • CAS: 18297-63-7
  • MF: C7H20N2OSi2
  • MW: 204.42
  • EINECS:242-177-9
  • MDL Number:MFCD00008260
  • Synonyms:Urea, TMS;BIS(TRIMETHYLSILYL)UREA;BSU;N,N'-BIS(TRIMETHYLSILYL)UREA;Hexamethyl disilaurea;N N'-BIS(TRIMETHYLSILYL)UREA 98+%;Bis-(Trimethylsilyl)-Urea (BSU);Ureylenebis(trimethylsilane)
5 prices
Selected condition:

Brand

  • TCI Chemicals (India)
  • Sigma-Aldrich(India)
  • ottokemi

Package

  • 25G
  • 50gm
  • 50G
  • 250gm
  • 250G
  • ManufacturerTCI Chemicals (India)
  • Product numberB1103
  • Product descriptionN,N'-Bis(trimethylsilyl)urea
  • Packaging25G
  • Price₹6600
  • Updated2022-05-26
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product number226106
  • Product description1,3-Bis(trimethylsilyl)urea 95%
  • Packaging50G
  • Price₹2024.28
  • Updated2022-06-14
  • Buy
  • ManufacturerSigma-Aldrich(India)
  • Product number15248
  • Product descriptionN,N′-Bis(trimethylsilyl)urea purum, ≥97.0% (N)
  • Packaging250G
  • Price₹6776.45
  • Updated2022-06-14
  • Buy
  • Manufacturerottokemi
  • Product number B 4880
  • Product descriptionN,N′-Bis(trimethylsilyl)urea, 95%
  • Packaging50gm
  • Price₹2691
  • Updated2022-05-26
  • Buy
  • Manufacturerottokemi
  • Product number B 4880
  • Product descriptionN,N′-Bis(trimethylsilyl)urea, 95%
  • Packaging250gm
  • Price₹9909
  • Updated2022-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
TCI Chemicals (India) B1103 N,N'-Bis(trimethylsilyl)urea 25G ₹6600 2022-05-26 Buy
Sigma-Aldrich(India) 226106 1,3-Bis(trimethylsilyl)urea 95% 50G ₹2024.28 2022-06-14 Buy
Sigma-Aldrich(India) 15248 N,N′-Bis(trimethylsilyl)urea purum, ≥97.0% (N) 250G ₹6776.45 2022-06-14 Buy
ottokemi B 4880 N,N′-Bis(trimethylsilyl)urea, 95% 50gm ₹2691 2022-05-26 Buy
ottokemi B 4880 N,N′-Bis(trimethylsilyl)urea, 95% 250gm ₹9909 2022-05-26 Buy

Properties

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
InChIKey :MASDFXZJIDNRTR-UHFFFAOYSA-N
LogP :-2.11-2.72 at 20℃
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

Symbol(GHS): GHS hazard pictograms
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H228 Flammable solid Flammable solids Category 1
Category 2
Danger
Warning
GHS hazard pictograms P210, P240,P241, P280, P370+P378
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

Description

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

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