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10448-09-6

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10448-09-6 Usage

Uses

Heptamethylphenylcyclotetrasiloxane depresses reproductive functions in animals, and causes sterility in mammals.

Check Digit Verification of cas no

The CAS Registry Mumber 10448-09-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,4,4 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 10448-09:
(7*1)+(6*0)+(5*4)+(4*4)+(3*8)+(2*0)+(1*9)=76
76 % 10 = 6
So 10448-09-6 is a valid CAS Registry Number.
InChI:InChI=1/C13H26O4Si4/c1-18(2)14-19(3,4)16-21(7,17-20(5,6)15-18)13-11-9-8-10-12-13/h8-12H,1-7H3

10448-09-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,2,4,4,6,6,8-heptamethyl-8-phenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane

1.2 Other means of identification

Product number -
Other names phenylheptamethylcyclotetrasiloxane

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:10448-09-6 SDS

10448-09-6Downstream Products

10448-09-6Relevant articles and documents

SYNTHESIS OF SPIROCYCLOSILOXANES BY FLASH VACUUM PYROLYSIS OF 2,7-DIMETHYL-2,3:7,8-DIEPOXY-5-SILASPIRONONANE AND CYCLOSILOXANES

Juengst, Clifford D.,Weber, William P.,Manuel, Georges

, p. 187 - 194 (1986)

Flash vacuum pyrolysis (FVP) of 2,7-dimethyl-2,3:7,8-diepoxy-5-silaspirononane with cyclotetra- or cyclopenta-siloxanes (D4 or D5) leads to products which apparently result from transannular insertion of or an equivalent synthon into Si-O single bonds of D4 or D5: 2,4,6,8,10-pentasila-1,3,5,7,9,11-hexaoxaspiroundecane (D2QD2) and 2,4,6,8,10,12-hexasila-1,3,5,7,9,11,13-heptaoxaspirotridecane (D3QD2) respectively.The scope of this reaction has been explored with substituted cyclotetrasiloxanes such as heptamethylcyclotetrasiloxane, vinylheptamethylcyclotetrasiloxane, phenylheptamethylcyclotetrasiloxane, and chloromethylheptamethylcycloterasiloxane.In all cases, substituted spirocyclosiloxane products (D2QDDx) were obtained. 29Si NMR has proved particularly useful for the assignment of structure of these spirocyclosiloxanes.

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