Disodium trisilicate
三硅酸二钠
Also known as: Sodium trisilicate, disodium trisilicon heptaoxide, SI3NA2O7, SILICONSODIUMOXIDE, SODIUM TRISILICATE, disodium trisilicon heptaoxide
Disodium trisilicate (CAS 13870-30-9) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Na2O7Si3 and a molecular weight of 242.23 g/mol. It is also known as Sodium trisilicate, disodium trisilicon heptaoxide and SI3NA2O7. Key property: a density of 0.7 g/mL at 25ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 13870-30-9
- Jingsj CID
- J-1337374-8
- Molecular Formula
- Na2O7Si3
- Chinese Name
- 三硅酸二钠
- Molecular Weight
- 242.23 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 0.7 g/mL at 25ºC |
|---|
Frequently Asked Questions
What is the CAS number of Disodium trisilicate?
The CAS number of Disodium trisilicate is 13870-30-9.
What are the molecular formula and molecular weight of Disodium trisilicate?
Disodium trisilicate has molecular formula Na2O7Si3 and molecular weight 242.23 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Disodium trisilicate (CAS 13870-30-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1337374-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.