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116410-55-0

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116410-55-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116410-55-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,4,1 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 116410-55:
(8*1)+(7*1)+(6*6)+(5*4)+(4*1)+(3*0)+(2*5)+(1*5)=90
90 % 10 = 0
So 116410-55-0 is a valid CAS Registry Number.

116410-55-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name [dimethyl(trimethylsilyl)silyl]-(4-ethenylphenyl)-dimethylsilane

1.2 Other means of identification

Product number -
Other names p-heptamethyltrisilylstyrene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:116410-55-0 SDS

116410-55-0Downstream Products

116410-55-0Relevant articles and documents

Anionic polymerization of p-pentamethyldisilyl-, p-heptamethyltrisilyl-, and p-nonamethyltetrasilylstyrenes

Hirao, Akira,Ando, Yushi,Ishizone, Takashi,Nakahama, Seiichi

, p. 5081 - 5087 (2007/10/03)

The anionic polymerizations of p-pentamethyldisilylstyrene (1), p-heptamethyltrisilylstyrene (2), and p-nonamethyltetrasilylstyrene (3) were carried out under various conditions. The polymerizations of 1 and 2 proceeded in a living manner in THF at -78 °C to quantitatively afford polymers with predictable molecular weights and narrow molecular weight distributions. Suitable initiators for these living anionic polymerizations were sec-BuLi, lithium, sodium, and potassium naphthalenides, cumylpotassium, and living oligomers of α-methylstyrene lithium, sodium, and potassium salts. Well-defined diblock copolymers, poly(1)-block-polystyrene, poly(2)-block-polystyrene, polystyrene-block-poly(1), and polystyrene-block-poly(2) were successfully synthesized under similar conditions by a two-step sequential monomer addition, namely, styrene followed by 1 or 2, or vice versa. In contrast, the polymerization of 3 was problematic. No polymer was obtained in the polymerization of 3 in either THF at -78 °C or benzene at 40 °C with sec-BuLi and oligo(α-methylstyryl)lithium. Using oligo(α-methylstyryl)potassium as an initiator, 3 was polymerized quantitatively in THF at -78 °C for 0.5 h. Unfortunately, the side reaction, presumably attack of the Si-Si-Si-Si bond by the growing chain-end anion, could not be completely suppressed during the polymerization, which resulted in the formation of high molecular weight polymers by coupling between polymer chains.

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