Tin monoxide
Also known as: EINECS 244-499-5, MFCD00011243, Stannous oxide, TIN(II) OXIDE, Tin oxide (SnO), tin(ii), tin(ii) oxide, tin(ii)oxide(assn), tinoxide(sn2o2), tinoxide(sno)
Tin monoxide (CAS 21651-19-4) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula OSn and a molecular weight of 134.70000 g/mol. Key properties include a melting point of 1080ºC and a density of 6.95 g/cm3. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 21651-19-4
- Jingsj CID
- J-25642-8
- Molecular Formula
- OSn
- Molecular Weight
- 134.70000 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 1080ºC |
|---|---|
| Density | 6.95 g/cm3 |
| Exact Mass | 135.89700 |
| PSA | 17.07000 |
Customs & Trade Information
| HS Code | 2825909000 |
|---|
Frequently Asked Questions
What is the CAS number of Tin monoxide?
The CAS number of Tin monoxide is 21651-19-4.
What are the molecular formula and molecular weight of Tin monoxide?
Tin monoxide has molecular formula OSn and molecular weight 134.70000 g/mol.
Which suppliers offer Tin monoxide?
1 supplier(s) listed; request a quote for pricing.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tin monoxide (CAS 21651-19-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25642-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.