Poly(dimethylsiloxane), bis(hydroxyalkyl) terminated(PDMS) - MW 2000 , CAS No.156327-07-0

CAS: 156327-07-0 Cat. No.: C303004 EC Number: 605-054-4

GRADE & PURITY MW 2000

Synonyms

1,3-bis(3-(2-hydroxyethoxy)propyl)tetramethyldisiloxane | 2,2'-(((1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl))bis(oxy))diethanol | 2-[3-[[3-(2-hydroxyethoxy)propyl-dimethylsilyl]oxy-dimethylsilyl]propoxy]ethanol

Storage

Store at 2-8°C

Shipped In

Wet ice

Overview

Application：

Active resin modifiers, pigment additives and release agents.

Features and advantages:

Oxygen permeability.

Specifications

Synonyms

1, 3-bis(3-(2-hydroxyethoxy)propyl)tetramethyldisiloxane | 2, 2'-(((1, 1, 3, 3-Tetramethyldisiloxane-1, 3-diyl)bis(propane-3, 1-diyl))bis(oxy))diethanol | 2-[3-[[3-(2-hydroxyethoxy)propyl-dimethylsilyl]oxy-dimethylsilyl]propoxy]ethanol

Specifications & Purity

MW 2000

Storage

Store at 2-8°C

Shipped In

Wet ice

This product requires cold chain shipping. Ground and other economy services are not available.

Names and Identifiers

• Pubchem Sid: 488200171
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488200171
• Canonical Smiles: C[Si](C)(CCCOCCO)O[Si](C)(C)CCCOCCO
• IUPAC Name: 2-[3-[[3-(2-hydroxyethoxy)propyl-dimethylsilyl]oxy-dimethylsilyl]propoxy]ethanol
• InChIKey: BGHSBLYBOOUZFE-UHFFFAOYSA-N
• INCHI: 1S/C14H34O5Si2/c1-20(2,13-5-9-17-11-7-15)19-21(3,4)14-6-10-18-12-8-16/h15-16H,5-14H2,1-4H3
• Isomeric SMILES: C[Si](C)(CCCOCCO)O[Si](C)(C)CCCOCCO
• Reaxy-Rn: 15722071
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=15722071&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organometallic compounds
    • Class Organometalloid compounds
      • Subclass Organosilicon compounds
        • Level5 Siloxanes
          • Level6 Disiloxanes

• Kingdom: Organic compounds
• Superclass: Organometallic compounds
• Class: Organometalloid compounds
• Subclass: Organosilicon compounds
• Intermediate Tree Nodes: Siloxanes
• Direct Parent: Disiloxanes
• Alternative Parents: Trialkylheterosilanes Organic metalloid salts Dialkyl ethers Primary alcohols Hydrocarbon derivatives
• Molecular Framework: Aliphatic acyclic compounds
• Substituents: Disiloxane - Trialkylheterosilane - Organoheterosilane - Organic metalloid salt - Ether - Dialkyl ether - Organic oxygen compound - Hydrocarbon derivative - Primary alcohol - Organooxygen compound - Alcohol - Aliphatic acyclic compound
• Description: This compound belongs to the class of organic compounds known as disiloxanes. These are organosilicon compounds with the general formula H[Si](R)(R')O[Si](H)(R'')R''' (R= organyl, R'-R'''= H or organyl).
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Molecular Weight: 338.590 g/mol
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 14
• Exact Mass: 338.194 Da
• Monoisotopic Mass: 338.194 Da
• Topological Polar Surface Area: 68.200 Ų
• Heavy Atom Count: 21
• Formal Charge: 0
• Complexity: 226.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 1

XLogP3

References

1. Wangyi Zeng, Wenhao Yang, Liang Chai, Yanxin Jiang, Longjiang Deng, Guang Yang.  (2023)  Liquid-Free, Self-Repairable, Recyclable, and Highly Stretchable Colorless Solid Ionic Conductive Elastomers for Strain/Temperature Sensors.  CHEMISTRY-A EUROPEAN JOURNAL,  29  (57): (e202301800).  [PMID:37496278] [10.1002/chem.202301800]

2. Liqiang Xu, Dong Wang, Weiwen Wang, Xingyuan Lu, Shuren Shao, Aimin Zhang, Jihai Zhang.  (2025)  Bioinspired photoresponsivity smart materials for multi-scale robust superhydrophobic surface and wearable UV sensors.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.159814]

3. Liqiang Xu, Weiwen Wang, Dong Wang, Mingyu Xu, Xingyuan Lu, Shuren Shao, Aimin Zhang, Jihai Zhang.  (2025)  Superhydrophobic and Radiative Cooling Hierarchical Membrane for High-Performance, Durable, and Flexible Optoelectronic Artificial Synapses.  Small,      [PMID:40761172] [10.1002/smll.202502522]

4. Xu Guo, Md Nuramurtada Rafi, Shangming Xia, Junyi Liu, Yanfen Zhou, Feng-lei Zhou, Hua Zhou, Haitao Niu, Liang Jiang, Stephen Jerrams.  (2026)  Fluorine-free superhydrophobic polyurethane membrane-based strain sensor with broad working range and high sensitivity for wearable applications.  APPLIED SURFACE SCIENCE,      [PMID:] [10.1016/j.apsusc.2026.166716]