dimethyl trimethylsilyl phosphite
Also known as: Dimethoxy[(trimethylsilyl)oxy]phosphine, O,O'-Dimethyl(trimethylsilyl)phosphite, Phosphorous acid, dimethyl trimethylsilyl ester, Trimethylsiloxydimethoxyphosphine, dimethyl (trimethylsilyl)phosphite, mono(trimethylsilyl)dimethyl phosphite, Trimethylsilyl dimethyl phosphite, DIMETHYL TRIMETHYLSILYL PHOSPHITE
dimethyl trimethylsilyl phosphite (CAS 36198-87-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H15O3PSi and a molecular weight of 182.23000 g/mol. Key properties include a boiling point of 146.6ºC at 760mmHg, a density of 0.954 g/mL at 25 °C(lit.) and a flash point of 38.9ºC. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 36198-87-5
- Jingsj CID
- J-44887-3
- Molecular Formula
- C5H15O3PSi
- Molecular Weight
- 182.23000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 146.6ºC at 760mmHg |
|---|---|
| Density | 0.954 g/mL at 25 °C(lit.) |
| Flash Point | 38.9ºC |
| Exact Mass | 182.05300 |
| PSA | 41.28000 |
| LogP | 2.35760 |
| Refractive Index | n20/D 1.410(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
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 dimethyl trimethylsilyl phosphite?
The CAS number of dimethyl trimethylsilyl phosphite is 36198-87-5.
What are the molecular formula and molecular weight of dimethyl trimethylsilyl phosphite?
dimethyl trimethylsilyl phosphite has molecular formula C5H15O3PSi and molecular weight 182.23000 g/mol.
Is dimethyl trimethylsilyl phosphite hazardous?
dimethyl trimethylsilyl phosphite has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "dimethyl trimethylsilyl phosphite (CAS 36198-87-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44887-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.