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(CAS RN:144-79-6 Product Number:D1390)


Synonym Chlorodiphenylmethylsilane
Synonym Chloromethyldiphenylsilane

General Information

Product Number D1390

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Purity/Analysis Method >95.0%(GC)
Storage Temperature
M.F. / M.W. C13H13ClSi=232.78
CAS RN 144-79-6
Related CAS RN
MDL Number MFCD00000498
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance Colorless to Light yellow to Light orange clear liquid
Purity(GC) min. 95.0 %

Data of Reference

flp 141°C(lit.)


Reaxys-RN 2937445
PubChem SID 87567896
F&F 10,91
EC Number 205-639-0


Signal Word Danger
Hazard Statements
  • H290
  • :May be corrosive to metals.
  • H302+H312+H332
  • :Harmful by inhalation, in contact with skin and if swallowed.
  • H314
  • :Causes severe skin burns and eye damage.
Precautionary Statements
  • P260
  • :Do not breathe dusts or mists.
  • P280
  • :Wear protective gloves, protective clothing, face protection.
  • P301+P330+P331+P310
  • :IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Immediately call a POISON CENTER or doctor.
  • P303+P361+P353+P310+P363
  • :IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. Immediately call a POISON CENTER or doctor. Wash contaminated clothing before reuse.
  • P304+P340+P310
  • :IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER or doctor.
  • P305+P351+P338+P310
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor.

Transport Information

UN Number 2987
Class 8
Packing Group II
HS Number 2931399090


Protection of Alcohols


Typical Procedure:
A solution of cyclohexylmethanol (3.00 g, 26.3 mmol) in DMF (26 mL) and imidazole (3.934 g, 57.8 mmol) is placed in a three-necked, 100 mL flask fitted with a magnetic stirrer, addition funnel, and a nitrogen inlet. The addition funnel is then charged with diphenylmethylsilyl (DPMS) chloride (6.727 g, 28.9 mmol). Dropwise addition of the DPMS chloride takes 1 h, and after an additional hour of being stirred the reaction is complete (determined by GC). The reaction mixture is then poured into a separatory funnel containing water (100 mL), and the resulting solution is extracted with ether (3 × 200 mL). The individual ether layers are washed with water (150 mL) and saturated brine, combined, dried over Na2SO4, and evaporated to give a yellow oil (8.40 g). The oil is fractionally distilled [bp 155 °C (0.3 torr)], yielding the product (7.09 g, Y. 87%).


PubMed Literature

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