Yttrium Fluoride, Yttrium Trifluoride, 13709-49-4

Yttrium Fluoride, Yttrium Trifluoride, 13709-49-4

YTTRİUM FLUORIDE (YF₃)
YTTRİUM FLUORIDE / YTTRİUM TRİFLUORIDE / YTTRİUM(III) FLUORIDE
1. PRODUCT IDENTIFICATION AND CHEMICAL IDENTITY

2. CHEMICAL STRUCTURE
2.1. Molecular Structure
Yttrium fluoride is the fluoride salt of the rare earth element yttrium. Yttrium ions (Y³⁺) and fluoride ions (F⁻) are present in a 1:3 ratio. It appears as a white crystalline powder. It is insoluble in water but soluble in acids. High purity grades (≥99.99%) are available for optical, electronic, and advanced ceramic applications. It is known for its low refractive index and wide optical transmission range.

Structural Features:

                    YTTRİUM FLUORIDE [YF₃]
                          |
                Y³⁺ - F⁻ Ionic Bonds
                          |
        +----------------+----------------+
        |                |                |
    White Crystalline  Insoluble in      Soluble in
    Powder             Water             Acids

2.2. Structural Properties

3. PHYSICAL AND CHEMICAL PROPERTIES

4. PURITY GRADES

5. STABILITY AND REACTIVITY

5.1. Chemical Reactions

• Reaction with Acids:
  YF₃ + 3HCl → YCl₃ + 3HF
  YF₃ + 3HNO₃ → Y(NO₃)₃ + 3HF

• Reaction with Bases:
  YF₃ + 3NaOH → Y(OH)₃↓ + 3NaF (at high temperature)

• Thermal Decomposition:
  2YF₃ → 2YF₂ + F₂ (above ~1,500°C)

6. APPLICATION AREAS
6.1. Optics and Laser Applications

6.2. Metallurgy

6.3. Electronics and Advanced Materials

6.4. Sectoral Suitability Table

7. PRODUCTION PROCESS

7.1. Major Producing Countries

8. ALTERNATIVE / SUBSTITUTE PRODUCTS

9. SAFETY AND TOXICOLOGY

9.1. GHS Classification

Signal Word: WARNING

Hazard Pictograms: GHS07 (Exclamation Mark)

10. PRECAUTIONARY STATEMENTS (P-CODES)

11. FIRST AID MEASURES

12. STORAGE AND SHELF LIFE

13. PACKAGING OPTIONS

14. TRANSPORT INFORMATION

15. REGULATORY STATUS

16. OTHER NAMES AND SYNONYMS

17. QUICK REFERENCE TABLE

18. CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

• Optical Applications: Yttrium fluoride is a critical material for optical ceramics, laser crystals, and infrared windows due to its low refractive index and wide optical transmission range (UV-IR).

• High Purity Requirement: Optical and electronic applications require high purity (>99.9%); impurities negatively affect optical performance.

• Fluoride Content: Contact with acids may release toxic hydrogen fluoride (HF) gas. Acid use must be controlled.

• Incompatibility: Reacts with strong acids and oxidizing agents.

• Powder Hazard: Fine powder form may cause respiratory tract irritation. Dust control measures must be taken.

BEST PRACTICE RECOMMENDATIONS:

• Storage:

  • Store in a cool, dry, and well-ventilated area.

  • Use moisture-proof, tightly closed containers.

  • Keep away from acids and oxidizing agents.

  • Store at room temperature (15-25°C).

• Handling:

  • Use in well-ventilated areas with local exhaust ventilation.

  • Use a dust mask (N95 or better), protective goggles, and gloves.

  • Avoid dust formation and inhalation.

  • Wash hands thoroughly after handling.

  • Ensure controlled conditions when working with acids.

  • Take precautions against HF formation during high-temperature processes.

• Waste Management:

  • Dispose of in accordance with local regulations.

  • Do not discharge into water sources.

  • For large quantities, rare earth recycling should be considered.

LEGAL DISCLAIMER
This Technical Data Sheet (TDS) is for informational purposes only and has been prepared based on available technical data. The user is solely responsible for determining the suitability of the product for their specific applications and for complying with all local, national, and international regulations. For complete safety, storage, handling, transport, disposal, and regulatory compliance information, the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier must be consulted. This document does not substitute professional advice. Yttrium fluoride is a critical rare earth compound for optical and metallurgical applications; careful handling and storage are required due to high purity requirements and fluoride content.