1,1-BIS(TRIMETHYLSILYLOXY)-1-PROPENE

Also known as: Methylketene Bis(trimethylsilyl) Acetal, 3,5-Dioxa-2,6-disilaheptane, 4-ethylidene-2,2,6,6-tetramethyl-, trimethyl(1-trimethylsilyloxyprop-1-enoxy)silane, 4-ethylidene-2,2,6,6-tetramethyl-3,5-dioxa-2,6-disilaheptane

1,1-BIS(TRIMETHYLSILYLOXY)-1-PROPENE (CAS 31469-22-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H22O2Si2 and a molecular weight of 218.44100 g/mol. Key properties include a boiling point of 60ºC (11 mmHg) and a flash point of 25ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 31469-22-4
Jingsj CID: J-20641-7
Molecular Formula: C₉H₂₂O₂Si₂
Molecular Weight: 218.44100 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	60ºC (11 mmHg)
Flash Point	25ºC
Exact Mass	218.11600
PSA	18.46000
LogP	3.55070

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. 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 1,1-BIS(TRIMETHYLSILYLOXY)-1-PROPENE?

The CAS number of 1,1-BIS(TRIMETHYLSILYLOXY)-1-PROPENE is 31469-22-4.

What are the molecular formula and molecular weight of 1,1-BIS(TRIMETHYLSILYLOXY)-1-PROPENE?

1,1-BIS(TRIMETHYLSILYLOXY)-1-PROPENE has molecular formula C9H22O2Si2 and molecular weight 218.44100 g/mol.

What are the upstream and downstream products of 1,1-BIS(TRIMETHYLSILYLOXY)-1-PROPENE?

For 1,1-BIS(TRIMETHYLSILYLOXY)-1-PROPENE, Upstream Products: Chlorotrimethylsilane, Trimethylsilyl propionate, Trimethylsilyl trifluoromethanesulfonate; Downstream Products: DL-2-Phenylpropionic acid, 2,3,3-Trimethylbutanoic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,1-BIS(TRIMETHYLSILYLOXY)-1-PROPENE (CAS 31469-22-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20641-7 (accessed 2026-11-09).

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