Yttrium Sulfate, Yttrium Trisulfate, 7446‑33‑5

Yttrium Sulfate, Yttrium Trisulfate, 7446‑33‑5

🔹 Chemical Profile

1. Identification

• Name: Yttrium(III) sulfate

• Synonyms: Yttrium sulfate, Yttrium trisulfate

• CAS Number: 7446‑33‑5

• EC Number: 231‑967‑9

• HS Code: 283429

2. Chemical Structure

• Molecular Formula: Y₂(SO₄)₃

• Molecular Weight: ~466 g/mol (anhydrous)

• Purity: ≥ 99% (rare earth grade)

3. Physical Properties

• Appearance: White crystalline solid

• Density: ~3.4 g/cm³ (approximate)

• Melting Point: Decomposes on heating

• Solubility: Soluble in water

• 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 yttrium compounds

• Phosphors and luminescent materials (critical in LEDs and display technologies)

• Ceramics and glass (heat‑resistant and optical materials)

• Laboratory reagent in rare earth chemistry

• Electronics and photonics (yttrium‑doped laser crystals, optical devices)

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

• Yttrium salts are especially important in phosphors, optics, and ceramics.

• Requires moisture‑proof packaging due to hygroscopic nature.

📊 Sectoral Compliance Table