Fumed silica
Also known as: Fumed Silica, MFCD00221516, SILICA GEL 100, SILICA GEL 12-28 MESH, SILICA GEL 30, SILICA GEL 60, SILICA GEL 60 G, SILICA GEL 7G, SILICA GEL 8-20 MESH, Silica, fumed, Silica,Silicic anhydride,Silicon dioxide amorphous, Silica,fumed, Silicon dioxide, acticel
Fumed silica (CAS 112945-52-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula O2Si and a molecular weight of 60.08430 g/mol. Key properties include a melting point of >1600°C, a boiling point of 2230ºC and a density of 2.3 lb/cu.ft at 25 °C (bulk density)(lit.). No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 112945-52-5
- Jingsj CID
- J-1955716-4
- Molecular Formula
- O2Si
- Molecular Weight
- 60.08430 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >1600°C |
|---|---|
| Boiling Point | 2230ºC |
| Density | 2.3 lb/cu.ft at 25 °C (bulk density)(lit.) |
| Exact Mass | 59.96680 |
| PSA | 34.14000 |
| Appearance | powder |
| Refractive Index | n20/D 1.46(lit.) |
Activity & Biological Data
| Additional Information | [1]. Elder DP, et al. Pharmaceutical excipients - quality, regulatory and biopharmaceutical considerations. Eur J Pharm Sci. 2016 May 25;87:88-99. |
|---|
Frequently Asked Questions
What is the CAS number of Fumed silica?
The CAS number of Fumed silica is 112945-52-5.
What are the molecular formula and molecular weight of Fumed silica?
Fumed silica has molecular formula O2Si and molecular weight 60.08430 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. "Fumed silica (CAS 112945-52-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955716-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.