1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane

1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane - Names and Identifiers

Name	1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane
Synonyms	Dihydroxybutyltetramethyldisiloxane 1,3-bis(hydroxybutyl)tetramethyldisiloxane 1,3-BIS(HYDROXYBUTYL)TETRAMETHYLDISILOXANE 1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane 1,3-BIS(4-HYDROXYBUTYL)TETRAMETHYLDISILOXANE 4,4'-[Oxybis(dimethylsilanediyl)]bis(butane-1-ol) 1,3-Bis(4-hydroxybutyl)-1,1,3,3-tetramethyldisiloxane 1,3-Di(3-Hydroxylbutyl)-1,1,3,3-Tetramethyl-Disiloxane 1,3-BIS(4-HYDROXYBUTYL)-1,1,3,3-TETRA- METHYLDISILOXANE 4,4'-(1,1,3,3-tetramethyldisiloxane-1,3-diyl)dibutan-1-ol 4,4μ-(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)dibutan-1-ol 1,3-Bis(4-hydroxybutyl)-1,1,3,3-tetramethylpropanedisiloxane
CAS	5931-17-9
InChI	InChI=1/C12H30O3Si2/c1-16(2,11-7-5-9-13)15-17(3,4)12-8-6-10-14/h13-14H,5-12H2,1-4H3

1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane - Physico-chemical Properties

Molecular Formula	C12H30O3Si2
Molar Mass	278.54
Density	0.95
Melting Point	<0°C
Boling Point	148 °C
Flash Point	110°C
Vapor Presure	7.31E-05mmHg at 25°C
Appearance	clear liquid
Specific Gravity	0.95
Color	Colorless to Almost colorless
pKa	14.89±0.10(Predicted)
Storage Condition	Room Temprature
Sensitive	4: no reaction with water under neutral conditions
Refractive Index	1.4526 [25°C]
MDL	MFCD00039554

1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S36 - Wear suitable protective clothing.
TSCA	No
HS Code	29319090

1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane - Introduction

1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane(1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane) is an organosilicon compound. The following is a description of the properties, uses, preparation and safety information of the compound:

Nature:
-Appearance: colorless liquid
-Molecular formula: C12H30O2Si2
-Molecular weight: 270.57g/mol
-Boiling Point: 125-128°C
-Density: 0.906g/cm³
-Solubility: Soluble in anhydrous organic solvents, slightly soluble in water

Use:
- 1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane are commonly used in the preparation of materials such as polysiloxanes, silicone polymers and siloxane polymers.
-It can be used as an additive in lubricants, sealants, adhesives, etc. to improve the flexibility, adhesion and wear resistance of the material.

Preparation Method:
1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane can be prepared by the following steps:
1.1,3-bis (4-chlorobutyl)-1,1,3,3-tetramethyldisiloxane reacts with sodium ethoxide to generate the corresponding alkoxide compound.
2. The alkoxide compound is reacted with 4-hydroxybutanol under alkaline conditions to obtain the target product.

Safety Information:
1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane are generally relatively safe under normal conditions of use. However, general laboratory safety practices should be followed when handling this compound, including wearing suitable personal protective equipment (e. g. gloves, glasses, laboratory coats) and ensuring good room ventilation. In case of accidental contact with skin or eyes, rinse immediately with plenty of water and seek medical help. Store and handle the compound under ideal conditions, avoiding contact with high temperatures, open flames, and strong oxidizing agents.

Last Update：2024-04-10 22:29:15