Europium(III) sulfate octahydrate
Also known as: Europium(III) sulfate octahydrate, Europium sulfate octahydrate, Europium(3+), trisulfate, octahydrate, Sulfuric acid, europium(3+) salt (3:2), octahydrate, Europium(III) sulfate octahydrate (trace metal basis), Europium(III) sulfate octahydrate, 99.9% (REO), Europium(III) sulfate octahydrate, 99.99% (REO), MFCD00149704, EINECS 236-903-3
Europium(III) sulfate octahydrate (CAS 10031-55-7) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Eu2H16O20S3 and a molecular weight of 736.24 g/mol. Key properties include a melting point of 375°C - 8H₂O and a density of 4.95 g/mL (25°C). It is listed by 1 supplier, from 20.00 to 24.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 10031-55-7
- Jingsj CID
- J-11311-7
- Molecular Formula
- Eu2H16O20S3
- Molecular Weight
- 736.24 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to OrderPlatform-operated | 99% 500g | ¥10,000.00 | $2.99 /gBest ¥20.00/g CNY | CN China MOQ 500g | |
Made to OrderPlatform-operated | 99% 100g | ¥2,200.00 | $3.29 /g ¥22.00/g CNY | CN China MOQ 100g | |
Made to OrderPlatform-operated | 99% 25g | ¥600.00 | $3.59 /g ¥24.00/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 375°C - 8H₂O |
|---|---|
| Density | 4.95 g/mL (25°C) |
| Exact Mass | 737.78200 |
| PSA | 339.76000 |
| SMILES | O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Eu+3].[Eu+3] |
| InChIKey | PGDXJFDXKJLVTJ-UHFFFAOYSA-H |
| InChI | 1S/2Eu.3H2O4S.8H2O/c;;3*1-5(2,3)4;;;;;;;;/h;;3*(H2,1,2,3,4);8*1H2/q2*+3;;;;;;;;;;;/p-6 |
Frequently Asked Questions
What is the CAS number of Europium(III) sulfate octahydrate?
The CAS number of Europium(III) sulfate octahydrate is 10031-55-7.
What are the molecular formula and molecular weight of Europium(III) sulfate octahydrate?
Europium(III) sulfate octahydrate has molecular formula Eu2H16O20S3 and molecular weight 736.24 g/mol.
Which suppliers offer Europium(III) sulfate octahydrate?
1 supplier(s) listed; reference unit price ¥20.00–24.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Europium(III) sulfate octahydrate (CAS 10031-55-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11311-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.