Cas no 225927-21-9 (1,1,3,3,5,5-Hexamethyl-1,5-divinyltrisiloxane)

1,1,3,3,5,5-Hexamethyl-1,5-divinyltrisiloxane is a siloxane-based compound featuring two vinyl groups and six methyl substituents on a trisiloxane backbone. Its structure provides high reactivity due to the presence of vinyl groups, making it a valuable intermediate in silicone chemistry. The compound is particularly useful in hydrosilylation reactions, where it serves as a crosslinking agent or modifier in silicone polymers. Its symmetrical configuration ensures consistent reactivity, while the methyl groups enhance thermal and chemical stability. This product is commonly employed in the synthesis of specialty silicones, including adhesives, coatings, and elastomers, where controlled crosslinking and tailored properties are required.

1,1,3,3,5,5-Hexamethyl-1,5-divinyltrisiloxane structure

225927-21-9 structure

Product Name:1,1,3,3,5,5-Hexamethyl-1,5-divinyltrisiloxane

CAS No:225927-21-9

MF:C₁₀H₂₄O₂Si₃

MW:260.552865982056

MDL:MFCD00804408

CID:244776

PubChem ID:87390

Update Time:2025-06-07

1,1,3,3,5,5-Hexamethyl-1,5-divinyltrisiloxane Chemical and Physical Properties

Names and Identifiers

- Siloxanes andSilicones, Me Ph, [(ethenyldimethylsilyl)oxy]-terminated
- VINYL TERMINATED POLYPHENYLMETHYLSILOXANE
- VINYL TERMINATED POLYPHENYLMETHYLSILOXANE 300-600 cSt
- 1,1,3,3,5,5-Hexamethyl-1,5-divinyltrisiloxane
- 1,5-DIVINYLHEXAMETHYLTRISILOXANE
- Dimethylsilylenebis(oxy)bis(vinyldimethylsilane)
- 1,5-Diethenyl-1,1,3,3,5,5-hexamethyltrisiloxane
- Poly(dimethylsiloxane), vinyldimethylsiloxy terminated
- 3,3,5,5,7,7-HEXAMETHYL-4,6-DIOXA-3,5,7-TRISILANONA-1,8-DIENE
- Polyphenylmethylsiloxane， vinyl terminated
- MFCD00197935
- EINECS 241-905-2
- DB-311559
- AKOS024462720
- CS-0448715
- bis[[ethenyl(dimethyl)silyl]oxy]-dimethylsilane
- 17980-39-1
- G78010
- DTXSID60939266
- MFCD00156460
- 225927-21-9
- SCHEMBL1493180
- 1,5-Divinyl-1,1,3,3,5,5-Hexamethyl Trisiloxane
- NS00051796
- Trisiloxane, 1,5-diethenyl-1,1,3,3,5,5-hexamethyl-
- MFWYAJVOUCTAQI-UHFFFAOYSA-N
- 136777-27-0
- MDL： MFCD00804408
- Inchi： 1S/C10H24O2Si3/c1-9-13(3,4)11-15(7,8)12-14(5,6)10-2/h9-10H,1-2H2,3-8H3
- InChI Key： MFWYAJVOUCTAQI-UHFFFAOYSA-N
- SMILES： [Si](C)(C)(O[Si](C=C)(C)C)O[Si](C=C)(C)C

Computed Properties

Exact Mass: 260.108
Monoisotopic Mass: 260.108
Isotope Atom Count: 0
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 2
Heavy Atom Count: 15
Rotatable Bond Count: 6
Complexity: 223
Covalently-Bonded Unit Count: 1
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count : 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Topological Polar Surface Area: 18.5

Experimental Properties

Density: 1,11 g/cm3
Melting Point: <-20°C
Boiling Point: <205°C
Flash Point: 300°C
Refractive Index: 1.533

1,1,3,3,5,5-Hexamethyl-1,5-divinyltrisiloxane Security Information

TSCA：Yes

1,1,3,3,5,5-Hexamethyl-1,5-divinyltrisiloxane Pricemore >>

Related Categories	No.	Product Name	Cas No.	Purity	Specification	Price	update time
SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd.	P909930-100g	Polyphenylmethylsiloxane, vinyl terminated	225927-21-9	viscosity：300-600 cSt	100g	￥3,460.00	2022-06-14
eNovation Chemicals LLC	D626808-25g	Vinylterminated Poly Phenyl Methylsiloxane	225927-21-9	97%	25g	$295	2024-05-23
SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd.	P909930-5g	Polyphenylmethylsiloxane, vinyl terminated	225927-21-9	viscosity：300-600 cSt	5g	￥442.00	2022-06-14
SHANG HAI MAI KE LIN SHENG HUA Technology Co., Ltd.	P909930-25g	Polyphenylmethylsiloxane, vinyl terminated	225927-21-9	viscosity：300-600 cSt	25g	￥1,280.00	2022-06-14
Aaron	AR01EJ1Q-5g	Siloxanes andSilicones, Me Ph, [(ethenyldimethylsilyl)oxy]-terminated	225927-21-9		5g	$66.00	2025-02-10
Aaron	AR01EJ1Q-25g	Siloxanes andSilicones, Me Ph, [(ethenyldimethylsilyl)oxy]-terminated	225927-21-9		25g	$176.00	2025-02-10
Aaron	AR01EJ1Q-100g	Siloxanes andSilicones, Me Ph, [(ethenyldimethylsilyl)oxy]-terminated	225927-21-9		100g	$490.00	2025-02-10
1PlusChem	1P01EITE-5g	Siloxanes andSilicones, Me Ph, [(ethenyldimethylsilyl)oxy]-terminated	225927-21-9		5g	$75.00	2023-12-18
1PlusChem	1P01EITE-25g	Siloxanes andSilicones, Me Ph, [(ethenyldimethylsilyl)oxy]-terminated	225927-21-9		25g	$172.00	2024-05-24
1PlusChem	1P01EITE-100g	Siloxanes andSilicones, Me Ph, [(ethenyldimethylsilyl)oxy]-terminated	225927-21-9		100g	$496.00	2024-05-24

1,1,3,3,5,5-Hexamethyl-1,5-divinyltrisiloxane Suppliers

Suzhou Senfeida Chemical Co., Ltd

Gold Member

Audited Supplier

(CAS:225927-21-9)VINYL TERMINATED POLY-PHENYLMETHYLSILOXANE

Order Number:sfd523

Stock Status:in Stock

Quantity:200kg

Purity:99.9%

Pricing Information Last Updated:Friday, 19 July 2024 14:32

Price ($):discuss personally

Email:[email protected]

Product Official Link

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