Lanthanum Trisulfate Hydrate, Lanthanum Sulfate Hydrate, 57804‑25‑8

Lanthanum Trisulfate Hydrate, Lanthanum Sulfate Hydrate, 57804‑25‑8

🔹 Chemical profile

1. Identification

• Name: Lanthanum(III) sulfate hydrate

• Synonyms: Lanthanum trisulfate hydrate, Lanthanum sulfate hydrate

• CAS Number: 57804‑25‑8

• EC Number: —

• HS Code: 283429

• Trade name: REacton (supplier brand)

2. Chemical structure

• Molecular formula: La₂(SO₄)₃·xH₂O (commonly octahydrate)

• Molecular weight: ~566 g/mol (anhydrous base)

• Purity: ≥ 99% (rare earth grade)

3. Physical properties

• Appearance: White crystalline solid

• Density: ~3.5–3.7 g/cm³ (approximate)

• Melting point: Decomposes on heating

• Solubility: Soluble in water; insoluble in most organics

• Hygroscopic: Yes

4. Chemical properties

• Reactivity: Stable under ambient conditions; reacts with strong bases and reducing agents

• Stability: Moisture‑sensitive; decomposes at elevated temperatures

• Nature: Acidic salt

5. Applications

• Precursor for lanthanum compounds (oxides, phosphates, mixed RE oxides)

• Phosphors and luminescent materials

• Petroleum refining catalysts (La components in FCC catalysts)

• Advanced ceramics and specialty glass

• Laboratory reagent in rare earth chemistry

6. Packaging and logistics

• Forms: Crystalline solid or powder

• Storage: Cool, dry, sealed containers; protect from moisture

• Transport classification: Generally non‑hazardous salt (handle with care)

• Shelf life: ~2 years under proper storage

7. Regulatory and safety

• GHS classification: Irritant

• CLP labeling:

  • H315: Causes skin irritation

  • H319: Causes serious eye irritation

• REACH / KKDİK compliance: Required

• MSDS: Must be provided

8. Quality and certification

• ISO 9001 compliant production

• Not approved for food or cosmetic use

• No Halal/Kosher certification

9. Notes

• Lanthanum salts are widely used in phosphors, FCC catalysts, and specialty ceramics.

• Moisture‑proof packaging recommended due to hygroscopicity.

📊 Sectoral compliance table