Skip to main content

beta,beta-bis(trimethylsilyloxy)styrene

Also known as: β,β-Bis(trimethylsilyloxy)styrene, 3,5-Dioxa-2,6-disilaheptane, 2,2,6,6-tetramethyl-4-(phenylmethylene)-, (2,2-bis((trimethylsilyl)oxy)vinyl)benzene, bis(trimethylsilyl)-phenylketenacetal, 2-phenyl-1,1-bis(trimethylsilyloxy)ethene, BETA BETA-BIS(TRIMETHYLSILYLOXY)-STYRENE

beta,beta-bis(trimethylsilyloxy)styrene (CAS 31491-21-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H24O2Si2 and a molecular weight of 280.51000 g/mol. Key property: a boiling point of 85ºC (20 mmHg). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31491-21-1
Jingsj CID
J-43405-9
Molecular Formula
C14H24O2Si2
Molecular Weight
280.51000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point85ºC (20 mmHg)
Exact Mass280.13100
PSA18.46000
LogP4.68800

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of beta,beta-bis(trimethylsilyloxy)styrene?

The CAS number of beta,beta-bis(trimethylsilyloxy)styrene is 31491-21-1.

What are the molecular formula and molecular weight of beta,beta-bis(trimethylsilyloxy)styrene?

beta,beta-bis(trimethylsilyloxy)styrene has molecular formula C14H24O2Si2 and molecular weight 280.51000 g/mol.

What are the upstream and downstream products of beta,beta-bis(trimethylsilyloxy)styrene?

For beta,beta-bis(trimethylsilyloxy)styrene, Upstream Products: Chlorotrimethylsilane, Phenylacetoxytrimethylsilane; Downstream Products: 2-Fluoro-2-phenylacetic acid, (R)-(-)-Mandelic acid, 3,4-diphenyl-5H-furan-2-one.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "beta,beta-bis(trimethylsilyloxy)styrene (CAS 31491-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43405-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.