Erbium Sulfate, Erbium Sesquisulfate, Dierbium Trisulfate, Erbium Sulfate Octahydrate, 13478‑49‑4

Erbium Sulfate, Erbium Sesquisulfate, Dierbium Trisulfate, Erbium Sulfate Octahydrate, 13478‑49‑4

🔹 Chemical Profile

1. Identification

• Name: Erbium(III) sulfate

• Synonyms: Erbium sesquisulfate, Dierbium trisulfate, Erbium sulfate octahydrate

• CAS Number: 13478‑49‑4

• EC Number: 236‑779‑0

• HS Code: 283429

2. Chemical Structure

• Molecular Formula: Er₂(SO₄)₃

• Molecular Weight: 622.71 g/mol

• Purity: ≥ 99–99.99% (rare earth grade)

3. Physical Properties

• Appearance: Pink to rose‑colored crystalline powder (typical of erbium salts)

• Density: ~3.68 g/cm³

• Melting Point: Decomposes on heating

• Solubility: Soluble in water (approx. 13 g/100 mL at 20 °C)

• 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 erbium compounds

• Optical materials (erbium is widely used in fiber optics and lasers)

• Specialty ceramics and glass (coloring and optical properties)

• Laboratory reagent in rare earth chemistry

• Electronics and photonics (erbium‑doped materials for amplifiers and lasers)

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

• Erbium salts are especially important in fiber optics, lasers, and photonics.

• Requires moisture‑proof packaging due to hygroscopic nature.

📊 Sectoral Compliance Table