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Send EmailPraseodymium Sulfate, Praseodymium Trisulfate, Praseodymium Sulfate Hydrate, 10277‑44‑8
Name: Praseodymium(III) sulfate
Synonyms: Praseodymium trisulfate, Praseodymium sulfate hydrate
CAS Number: 10277‑44‑8
EC Number: 233‑605‑0
HS Code: 283429
Molecular Formula: Pr₂(SO₄)₃·xH₂O (commonly hydrated form)
Molecular Weight: ~548 g/mol (anhydrous base)
Purity: ≥ 99% (rare earth grade)
Appearance: Green crystalline solid (typical of praseodymium salts)
Density: ~3.7 g/cm³ (approximate)
Melting Point: Decomposes on heating
Solubility: Soluble in water
Hygroscopic: Yes
Reactivity: Stable under ambient conditions; reacts with strong bases and reducing agents
Stability: Moisture‑sensitive; decomposes at elevated temperatures
Nature: Acidic salt
Precursor for praseodymium compounds
Glass and ceramics (colorant, optical materials)
Phosphors and luminescent materials (green emission in displays and lighting)
Electronics and photonics (praseodymium‑doped lasers and optical devices)
Laboratory reagent in rare earth chemistry
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
GHS Classification: Irritant
CLP Labeling:
H315: Causes skin irritation
H319: Causes serious eye irritation
REACH / KKDİK Compliance: Required
MSDS: Must be provided
ISO 9001 compliant production
Not approved for food or cosmetic use
No Halal/Kosher certification
Praseodymium salts are especially important in glass coloring, phosphors, and optical devices.
Requires moisture‑proof packaging due to hygroscopic nature.
| Sector / Application | Compliance | Notes |
|---|---|---|
| Textile | ❌ | No application |
| Food | ❌ | Not permitted in food contact or additives |
| Cosmetics | ❌ | Banned under CLP/REACH for cosmetic formulations |
| Metallurgy / Surface | ✅ | Used in specialty alloys and coatings |
| Ceramics / Glass | ✅ | Applied in advanced ceramics and glass coloring |
| Laboratory / Research | ✅ | Common reagent in rare earth chemistry |
| Electronics / Optics | ✅ | Critical in phosphors, lasers, and photonic materials |
| Construction Chemicals | ❌ |