Methoxy terminated polydimethylsiloxane is a silicone polymer composed of repeating dimethylsiloxane units with methoxy groups at the chain ends. It is known for its water repellency, chemical inertness, thermal stability, and low surface tension, making it a versatile material in various applications.
68951-97-3
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Basic information
- Product Name: METHOXY TERMINATED POLYDIMETHYLSILOXANE
- Synonyms: Polydimethylsiloxane, methoxy terminated, viscosity 400-600 cSt.;Polydimethylsiloxane, methoxy terminated, visc. 5-12 cSt.;DIMETHICONECOPOLYOLMETHYLETHER;POLYDIMETHYLSILOXANE, METHOXY TERMINATED , VISCOSITY 5-12 CST.;METHOXY TERMINATED POLYDIMETHYLSILOXANE, 5-12cs;dimethylsiloxane, methoxy-terminated;METHOXY TERMINATED POLYDIMETHYLSILOXANE, 5-12 cSt;MethoxyTerminatedPolyDimethylsiloxanes
- CAS NO:68951-97-3
- Molecular Formula: C8H24O4Si3
- Molecular Weight: 268.53026
- EINECS: N/A
- Product Categories: UVCBs-organic
- Mol File: 68951-97-3.mol
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Chemical Properties
- Melting Point: <-40 °C
- Boiling Point: >205°C
- Flash Point: 40°C
- Appearance: /
- Density: 0,98 g/cm3
- Refractive Index: n20/D 1.404(lit.)
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: METHOXY TERMINATED POLYDIMETHYLSILOXANE(CAS DataBase Reference)
- NIST Chemistry Reference: METHOXY TERMINATED POLYDIMETHYLSILOXANE(68951-97-3)
- EPA Substance Registry System: METHOXY TERMINATED POLYDIMETHYLSILOXANE(68951-97-3)
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Safety Data
- Hazard Codes: T
- Statements: 10-36/37/38-29-23/24/25
- Safety Statements: 24/25-45-36/37/39-23
- RIDADR: 1993
- WGK Germany:
- RTECS:
- TSCA: Yes
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 68951-97-3(Hazardous Substances Data)
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68951-97-3 Usage
Uses
Used in Personal Care Industry:Methoxy terminated polydimethylsiloxane is used as a conditioning agent in hair care and skin care products for its ability to provide smoothness, softness, and manageability to hair and skin.
Used in Industrial Applications:
Methoxy terminated polydimethylsiloxane is used as a lubricant in various mechanical systems due to its low friction coefficient and thermal stability, reducing wear and tear on moving parts.
Used in Adhesives and Sealants:
Methoxy terminated polydimethylsiloxane is used as a component in adhesives and sealants for its ability to bond well to various surfaces and provide a flexible, durable seal.
Used in Silicone Elastomers and Coatings:
Methoxy terminated polydimethylsiloxane is used in the production of silicone elastomers and coatings for its excellent weather resistance, flexibility, and durability.
Used in Surfactants:
Methoxy terminated polydimethylsiloxane is used as a surfactant in various applications, such as in the formulation of detergents and cleaning agents, to reduce surface tension and improve wetting and spreading properties.
Used in Chemical Functionalization:
The methoxy termination of the polymer allows for functionalization with other chemicals, making it a valuable material for the synthesis of various chemical compounds and materials.
Check Digit Verification of cas no
The CAS Registry Mumber 68951-97-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,9,5 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.Calculate Digit Verification of CAS Registry Number 68951-97:
(7*6)+(6*8)+(5*9)+(4*5)+(3*1)+(2*9)+(1*7)=183
183 % 10 = 3
So 68951-97-3 is a valid CAS Registry Number.
68951-97-3Upstream product
68951-97-3Downstream Products
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METHOXY TERMINATED POLYDIMETHYLSILOXANE
