Pentasiloxane, 1,1,1,3,3,5,5,7,7,9,9,9-dodecaethyl-, also known as decamethyltetrasiloxane, is a cyclic siloxane compound with the chemical formula (C2H6OSi)4. It is a colorless, odorless, and non-toxic liquid that is widely used in various applications due to its unique properties. pentasiloxane, 1,1,1,3,3,5,5,7,7,9,9,9-dodecaethyl- is composed of four repeating units of dimethylsiloxane, which are connected in a cyclic manner, forming a ring structure. It is commonly used as a component in personal care products, such as hair conditioners and skin creams, due to its ability to provide lubrication and improve the feel of the product. Additionally, it is utilized in the manufacturing of silicone-based polymers, sealants, and adhesives, as well as in the electronics and automotive industries. The stability, low toxicity, and compatibility of decamethyltetrasiloxane make it a valuable chemical in numerous industrial and consumer applications.
2031-78-9
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Basic information
- Product Name: pentasiloxane, 1,1,1,3,3,5,5,7,7,9,9,9-dodecaethyl-
- Synonyms: Dodecaethylpentasiloxane
- CAS NO:2031-78-9
- Molecular Formula: C24H60O4Si5
- Molecular Weight: 553.1583
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: 457.103°C at 760 mmHg
- Flash Point: 209.063°C
- Appearance: N/A
- Density: 0.88g/cm3
- Vapor Pressure: 0mmHg at 25°C
- Refractive Index: 1.434
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: pentasiloxane, 1,1,1,3,3,5,5,7,7,9,9,9-dodecaethyl-(CAS DataBase Reference)
- NIST Chemistry Reference: pentasiloxane, 1,1,1,3,3,5,5,7,7,9,9,9-dodecaethyl-(2031-78-9)
- EPA Substance Registry System: pentasiloxane, 1,1,1,3,3,5,5,7,7,9,9,9-dodecaethyl-(2031-78-9)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 2031-78-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 2031-78-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,3 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.Calculate Digit Verification of CAS Registry Number 2031-78:
(6*2)+(5*0)+(4*3)+(3*1)+(2*7)+(1*8)=49
49 % 10 = 9
So 2031-78-9 is a valid CAS Registry Number.
2031-78-9Upstream product
2031-78-9Downstream Products
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pentasiloxane, 1,1,1,3,3,5,5,7,7,9,9,9-dodecaethyl-
