Silicon dioxide
Also known as: Celite, Celite S Filter Aid, Cristobalite, Diatomaceous earth, Diatomaceous silica, Kieselguhr, Dioxosilane, EINECS 293-303-4, KIESELGUHR, KIESELGUHR DG, KIESELGUR, MFCD00132803, Silane, dioxo-, diatomaceous, diatomaceous earth, diatomaceousearth(containingless, diatomaceousearth, diatomite, silica,amorphous-diatomaceousearth(uncalcined), CELITE STANDARD SUPER-CEL
Silicon dioxide (CAS 61790-53-2) 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 60.084 g/mol. Key properties include a melting point of 1400-1650ºC, a boiling point of 2200ºC and a density of 0.47 g/cm3 (loose weight)(lit.). It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 61790-53-2
- Jingsj CID
- J-17723-0
- Molecular Formula
- O2Si
- Molecular Weight
- 60.084 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 1400-1650ºC |
|---|---|
| Boiling Point | 2200ºC |
| Density | 0.47 g/cm3 (loose weight)(lit.) |
| Exact Mass | 59.966755 |
| PSA | 34.14000 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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. |
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Customs & Trade Information
| HS Code | 3802900090 |
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Frequently Asked Questions
What is the CAS number of Silicon dioxide?
The CAS number of Silicon dioxide is 61790-53-2.
What are the molecular formula and molecular weight of Silicon dioxide?
Silicon dioxide has molecular formula O2Si and molecular weight 60.084 g/mol.
Is Silicon dioxide hazardous?
Silicon dioxide has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Silicon dioxide (CAS 61790-53-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17723-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.