Poly(dimethylsiloxane), hydroxy terminated(PDMS) - viscosity ~65 cSt , CAS No.70131-67-8

CAS: 70131-67-8 Cat. No.: P433352 Fórmula: HO-(C2H6OSi)n-H Número EC: 613-154-4
Disponible para pedir
GRADE & PURITY viscosity ~65 cSt
Synonyms
079V3J9O3X | DB11343 | silanole | UNII-079V3J9O3X | PDMS
Storage
Room temperature
★
Size
USA
Alemania (EU)*
Price
Qty
100ml
P433352-100ml
5 Disponible
—

79,90US$

93,90US$
Guardar 14,00 US$ (14.91%)
500ml
P433352-500ml
3 Disponible
—

239,90US$

326,90US$
Guardar 87,00 US$ (26.61%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

viscosity ~65 cSt for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 216 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Sinónimos
079V3J9O3X | DB11343 | silanole | UNII-079V3J9O3X | PDMS
Especificaciones y pureza
viscosity ~65 cSt
Condiciones de almacenamiento de almacenamiento
Room temperature
Nombres e identificadores
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504764051
Sonrisas canónicas
O[Si]
InChIKey
XQSFXFQDJCDXDT-UHFFFAOYSA-N
INCHI
1S/HOSi/c1-2/h1H
Isómeros SMILES
O[Si]
Reaxy-Rn
15926686
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=15926686&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClaseMiscellaneous mixed metal/non-metals
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentMiscellaneous mixed metal/non-metals
Alternative Parents Metalloid salts  
Molecular FrameworkNot available
Substituents Miscellaneous mixed metal/non-metal - Inorganic metalloid salt
DescripciónThis compound belongs to the class of inorganic compounds known as miscellaneous mixed metal/non-metals. These are inorganic compounds containing non-metal as well as metal atoms but not belonging to afore mentioned classes.
External Descriptors Not available
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

8 results found

Lot NumberCertificate TypeFechaArticulo
F23131486Certificate of AnalysisMar 18, 2026 P433352
F23131547Certificate of AnalysisMar 18, 2026 P433352
C2620494Certificate of AnalysisJan 09, 2026 P433352
C2620518Certificate of AnalysisJan 09, 2026 P433352
G2411393Certificate of AnalysisJul 03, 2024 P433352
G2411414Certificate of AnalysisJul 03, 2024 P433352
F23131487Certificate of AnalysisJun 05, 2023 P433352
F23131499Certificate of AnalysisJun 05, 2023 P433352
Propiedades químicas y físicas
Índice de refracciónn20/D 1.406
Punto de inflamación (°C)> 113.00 °C - closed cup
Punto de ebullición (°C)>200 °C
Peso molecular45.092 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count0
Exact Mass44.9797 Da
Monoisotopic Mass44.9797 Da
Topological Polar Surface Area20.200 Ų
Heavy Atom Count2
Formal Charge0
Complexity2.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Preguntas frecuentes y artículos
Understanding Silicone Resins from Their Structure: Siloxane Backbones, M/D/T/Q Units, and Coating Performance Regulation
Structure–Property Relationship of Silicone Resins: Mechanisms of Heat Resistance, Weatherability, Hydrophobicity, and Coating Performance Analysis
Silicone Resin Coating Formulation Design: From Application Conditions to Matching Resins, Pigments and Fillers, Curing, and Substrates
The Role of Polyether-Modified Polysiloxanes in Controlling Coating Leveling and Smooth Tactile Feel: Molecular Structure, Surface Migration, and Interfacial Control Mechanisms
Starting from Dimethicone: An Analysis of the Structure, Properties, and Formulation Selection of Personal Care Silicones
Mechanism of Action and Selection Logic of Defoamers for Daily Chemical Products: Foam Stability, Foam-Breaking Mechanisms, and Representative Raw Material Analysis
Citations of This Product
Calculadoras de soluciones
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Preguntas frecuentes

How should this product be stored?
Store at room temperature.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 70131-67-8, the molecular formula is HO-(C2H6OSi)n-H. InChIKey XQSFXFQDJCDXDT-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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