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1,3-bis(4-isocyanatophenyl)-1,1,3,3-tetramethyldisiloxane is a complex organic compound with the molecular formula C18H24N2O2Si2. It is a type of diisocyanate, which is a key component in the production of polyurethane polymers. 1,3-bis(4-isocyanatophenyl)-1,1,3,3-tetramethyldisiloxane is characterized by its symmetrical structure, with two isocyanate groups (-NCO) attached to a central disiloxane unit (Si-O-Si). The disiloxane unit consists of two silicon atoms connected by an oxygen bridge, with each silicon atom also bonded to two methyl groups (CH3). The isocyanate groups are attached to the silicon atoms through phenyl rings (C6H5). 1,3-bis(4-isocyanatophenyl)-1,1,3,3-tetramethyldisiloxane is used as a cross-linking agent in the synthesis of various materials, such as elastomers, foams, and coatings, due to its ability to react with other molecules containing active hydrogen atoms, forming strong urethane bonds.

2470-49-7

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2470-49-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2470-49-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,7 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2470-49:
(6*2)+(5*4)+(4*7)+(3*0)+(2*4)+(1*9)=77
77 % 10 = 7
So 2470-49-7 is a valid CAS Registry Number.

2470-49-7Downstream Products

2470-49-7Relevant academic research and scientific papers

Synthesis of Disiloxanediyl Diamines via a Facile Homocondensation of Amino Silanols

Weisenfeld, Robert B.

, p. 2434 - 2436 (2007/10/02)

1,3-Bis(4-isocyanatophenyl)-1,3-dimethyl-1,3-diphenyldisiloxane (1a) and 1,3-bis(4-isocyanatophenyl)-1,1,3,3-tetramethyldisiloxane (1b) were synthesized in six steps from 4-bromoaniline (2) in 57percent and 55percent overall yields, respectively.The key s

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