2,2,3,3,9,9,10,10-Octamethyl-4,8-dioxa-3,9-disilaundecan-6-ol

Name: 2,2,3,3,9,9,10,10-Octamethyl-4,8-dioxa-3,9-disilaundecan-6-ol
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CAS No. 85951-09-3
Cat. No. CS-0673500
Molecule weight320.62
Purity≥98%
MDL No.MFCD30471985

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
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2,2,3,3,9,9,10,10-Octamethyl-4,8-dioxa-3,9-disilaundecan-6-ol|CS-0673500

Structure of 85951-09-3

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General Information

CAS No. 85951-09-3
Cat. No. CS-0673500
Purity ≥98%
MDL No. MFCD30471985
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₅H₃₆O₃Si₂
Molecular Weight 320.62
Synonym(s) None
SMILES CC(C)(C)[Si](C)(C)OCC(CO[Si](C)(C)C(C)(C)C)O

Description

This siloxane-based alcohol features a rigid, electron-rich backbone with eight methyl groups that confer exceptional thermal and oxidative stability. The pendant hydroxyl group enables straightforward functionalization, while the bis-silyl ether termini enhance solubility in nonpolar media and facilitate downstream coupling reactions under mild conditions.

Application

2,2,3,3,9,9,10,10-Octamethyl-4,8-dioxa-3,9-disilaundecan-6-ol serves as a stable, bench-ready siloxane-based scaffold for the construction of functionalized silyl ethers and protected polyether systems. Its high steric shielding enhances resistance to nucleophilic cleavage, while the terminal hydroxyl group enables straightforward derivatization. The molecule functions effectively in multi-step synthesis involving protecting group strategies and exhibits excellent compatibility with standard organic transformations.

Safety Information

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GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P362-P405-P501

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Computational Chemistry Data

TPSA 38.69
LogP 4.3909
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 6

Other Classifications

Building Blocks Functional Group Organosilicon compounds

Building Blocks Skeleton Fatty chain compounds

Key Words

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2,2,3,3,9,9,10,10-Octamethyl-4,8-dioxa-3,9-disilaundecan-6-ol

CAS No. 85951-09-3

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