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(CAS RN:107-51-7 Product Number:O0257)


Synonym Dimethylbis(trimethylsilyloxy)silane

General Information

Product Number O0257

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Purity/Analysis Method >98.0%(GC)
Storage Temperature
M.F. / M.W. C8H24O2Si3=236.53
CAS RN 107-51-7
Related CAS RN
MDL Number MFCD00008264
Packaging and Container
  • Product Details
  • Safety & Regulations


Purity(GC) min. 98.0 %
Specific gravity (20/20) 0.8210 to 0.8250
Refractive index n20/D 1.3840 to 1.3860

Data of Reference

flp 39°C(lit.)
bp 153°C(lit.)


Beilstein 4(4)4115
Reaxys-RN 1753063
PubChem SID 87574247
Merck Index(14) 6748
EC Number 203-497-4


Signal Word Warning
Hazard Statements
  • H226
  • :Flammable liquid and vapour.
Precautionary Statements
  • P210
  • :Keep away from heat/sparks/open flames/hot surfaces. – No smoking.
  • P233
  • :Keep container tightly closed.
  • P280
  • :Wear protective gloves, eye protection.
  • P303+P361+P353
  • :IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P370+P378
  • :In case of fire: Use dry chemical or dry sand to extinguish.
  • P403+P235
  • :Store in a well-ventilated place. Keep cool.

Transport Information

UN Number 1993
Class 3
Packing Group III
HS Number 2931399090


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