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Bis-(1-methyl-butoxy)-dimethylsilan, also known as 1,1-dimethyl-N,N-bis(1-methylbutoxy)silanamine, is an organosilicon compound with the chemical formula C10H23OSi. It is a colorless liquid at room temperature and is soluble in common organic solvents. Bis-(1-methyl-butoxy)-dimethylsilan is primarily used as a coupling agent in the production of composite materials, particularly in the rubber and plastics industries, to improve adhesion between the inorganic fillers and the organic matrix. It is also employed as a silane crosslinking agent in the synthesis of various silicone-based materials. Bis-(1-methyl-butoxy)-dimethylsilan is known for its stability and reactivity, making it a valuable component in the manufacturing of high-performance materials.

5581-65-7

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5581-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5581-65-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,8 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5581-65:
(6*5)+(5*5)+(4*8)+(3*1)+(2*6)+(1*5)=107
107 % 10 = 7
So 5581-65-7 is a valid CAS Registry Number.

5581-65-7Relevant academic research and scientific papers

Alcoholysis Equilibria of Dialkoxydimethylsilanes Catalyzed by Iodine or Iodine Monobromide

Ito, Katsuko,Ibaraki, Takeshi

, p. 295 - 297 (1983)

Iodine or iodine monobromide was found to be an especially favorable catalyst for the study of the alcoholysis equilibria of dialkoxydimethylsilanes by gas chromatography.Iodine monobromide was employed to promote the reactions associated with tertiary alcohols, and iodine was used for the other reactions.Eight alcohols were allowed to react with diethoxydimethylsilane, and successive equilibrium constants, K1 and K2, were determined at 20 deg C.K1=2.36-2.75 and K2=0.66-0.69 (by the use of primary alcohols), K1=1.34-1.38 and K2=0.28-0.30 (secondary alcohols), and K1=0.15-0.16 (tertiary alcohols) were observed.These values express precisely the difference of reactivities of the three groups of alcohols with diethoxydimethylsilane.Out of the dialkoxydimethylsilanes used in this study, eight unreported compounds were isolated and characterized.

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