Diethyl trimethylsilyl phosphite
Also known as: Diethoxy(trimethylsiloxy)phosphine, Diethoxy[(trimethylsilyl)oxy]phosphine, Trimethylsilyl diethyl phosphite, Phosphorous acid, diethyl trimethylsilyl ester, Phosphorous acid diethyl trimethylsilyl ester, EINECS 237-268-5
Diethyl trimethylsilyl phosphite (CAS 13716-45-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H19O3PSi and a molecular weight of 210.28300 g/mol. Key properties include a boiling point of 178.2ºC at 760mmHg, a density of 0.921 g/mL at 25 °C(lit.) and a flash point of 61.6ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13716-45-5
- Jingsj CID
- J-1413461-3
- Molecular Formula
- C7H19O3PSi
- Molecular Weight
- 210.28300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 178.2ºC at 760mmHg |
|---|---|
| Density | 0.921 g/mL at 25 °C(lit.) |
| Flash Point | 61.6ºC |
| Exact Mass | 210.08400 |
| PSA | 45.34000 |
| LogP | 3.08740 |
| Vapor Pressure | 4.565mmHg at 25°C |
| Refractive Index | n20/D 1.413(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
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 Diethyl trimethylsilyl phosphite?
The CAS number of Diethyl trimethylsilyl phosphite is 13716-45-5.
What are the molecular formula and molecular weight of Diethyl trimethylsilyl phosphite?
Diethyl trimethylsilyl phosphite has molecular formula C7H19O3PSi and molecular weight 210.28300 g/mol.
Is Diethyl trimethylsilyl phosphite hazardous?
Diethyl trimethylsilyl phosphite has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
What are the upstream and downstream products of Diethyl trimethylsilyl phosphite?
For Diethyl trimethylsilyl phosphite, Upstream Products: Chlorotrimethylsilane, Diethyl phosphite, 1,1,1,3,3,3-Hexamethyldisilazane; Downstream Products: Bromotrimethylsilane, Diethyl acetylphosphonate, Ethoxytrimethylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl trimethylsilyl phosphite (CAS 13716-45-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1413461-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.