Lanthanum Triacetate Sesquihydrate, Lanthanum Triacetate Hydrate, 25721‑92‑0

Lanthanum Triacetate Sesquihydrate, Lanthanum Triacetate Hydrate, 25721‑92‑0

🔹 Chemical Profile

1. Identification

• Name: Lanthanum(III) triacetate sesquihydrate

• Synonyms: Lanthanum acetate sesquihydrate, Lanthanum triacetate hydrate

• CAS Number: 25721‑92‑0

• EC Number: —

• HS Code: 291529

2. Chemical Structure

• Molecular Formula: La(CH₃COO)₃·1.5H₂O

• Molecular Weight: ~316 g/mol (hydrated form)

• Purity: ≥ 99% (rare earth grade)

3. Physical Properties

• Appearance: White crystalline solid

• Density: ~2.6–2.8 g/cm³ (approximate)

• Melting Point: Decomposes on heating

• Solubility: Soluble in water and acetic acid

• 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 rare earth oxides)

• Electronics and photonics (La³⁺‑doped optical materials, laser crystals)

• Glass and ceramics (optical glass, phosphor additives)

• Catalysis and advanced materials research

• Laboratory reagent in rare earth chemistry

6. Packaging & Logistics

• Forms: Crystalline solid or powder

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

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

• Shelf Life: ~2 years under proper storage

7. Regulatory & 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 & Certification

• ISO 9001 compliant production

• Not approved for food or cosmetic use

• No Halal/Kosher certification

9. Notes

• Lanthanum salts are especially important in optical glass, phosphors, and catalysts.

• Requires moisture‑proof packaging due to hygroscopic nature.

📊 Sectoral Compliance Table