Octamethylcyclotetrasilazane
八甲基环四硅氮烷
Also known as: 2,2,4,4,6,6,8,8-Octamethylcyclotetrasilazane, Cyclotetrasilazane, 2,2,4,4,6,6,8,8-octamethyl-, Dimethylsilazane Cyclic Tetramer, 1,1,3,3,5,5,7,7-Octamethylcyclotetrasilazane, 2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetrazatetrasilocane
Octamethylcyclotetrasilazane (CAS 1020-84-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H28N4Si4 and a molecular weight of 292.677 g/mol. It is also known as 2,2,4,4,6,6,8,8-Octamethylcyclotetrasilazane, Cyclotetrasilazane, 2,2,4,4,6,6,8,8-octamethyl- and Dimethylsilazane Cyclic Tetramer. Key properties include a melting point of 96-99 °C(lit.), a boiling point of 240.4±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 99.2±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1020-84-4
- Jingsj CID
- J-1175983-4
- Molecular Formula
- C8H28N4Si4
- Chinese Name
- 八甲基环四硅氮烷
- Molecular Weight
- 292.677 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 96-99 °C(lit.) |
|---|---|
| Boiling Point | 240.4±23.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 99.2±22.6 °C |
| Exact Mass | 292.139099 |
| PSA | 48.12000 |
| LogP | 2.48080 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.461 |
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Octamethylcyclotetrasilazane?
The CAS number of Octamethylcyclotetrasilazane is 1020-84-4.
What are the molecular formula and molecular weight of Octamethylcyclotetrasilazane?
Octamethylcyclotetrasilazane has molecular formula C8H28N4Si4 and molecular weight 292.677 g/mol.
What are the upstream and downstream products of Octamethylcyclotetrasilazane?
For Octamethylcyclotetrasilazane, Upstream Products: Dichlorodimethylsilane, Ammonia, benzene; Downstream Products: dianilinodimethylsilane.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Octamethylcyclotetrasilazane (CAS 1020-84-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1175983-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.