bis(trimethylsilyl) but-2-ynedioate
Also known as: bis(trimethylsilyl)acetylenedicarboxylate, bis(trimethylsilyl) 2-butynedioate, 2-butynedioic acid,1,4-bis(trimethylsilyl) ester, 2-butynedioic acid, ditrimethylsilyl ester, bis(trimethylsilyl) but-2-ynedioate, Bis(trimethylsilyl)acetylenedicarboxylate, Bis(trimethylsilyl) 2-butynedioate, Bis-trimethylsilylacetylenedicarboxylate
bis(trimethylsilyl) but-2-ynedioate (CAS 76734-92-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H18O4Si2 and a molecular weight of 258.41900 g/mol. Key properties include a boiling point of 94ºC0.005 mm Hg(lit.), a density of 0.999 g/mL at 25ºC(lit.) and a flash point of 67ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 76734-92-4
- Jingsj CID
- J-1523840-1
- Molecular Formula
- C10H18O4Si2
- Molecular Weight
- 258.41900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 94ºC0.005 mm Hg(lit.) |
|---|---|
| Density | 0.999 g/mL at 25ºC(lit.) |
| Flash Point | 67ºC |
| Exact Mass | 258.07400 |
| PSA | 52.60000 |
| LogP | 1.74600 |
| Refractive Index | n20/D 1.439(lit.) |
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 bis(trimethylsilyl) but-2-ynedioate?
The CAS number of bis(trimethylsilyl) but-2-ynedioate is 76734-92-4.
What are the molecular formula and molecular weight of bis(trimethylsilyl) but-2-ynedioate?
bis(trimethylsilyl) but-2-ynedioate has molecular formula C10H18O4Si2 and molecular weight 258.41900 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "bis(trimethylsilyl) but-2-ynedioate (CAS 76734-92-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523840-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.