Yttrium Triacetate Hydrate, Yttrium Acetate Hydrate, 207801‑28‑3

YTTRIUM ACETATE HYDRATE 

1. PRODUCT IDENTIFICATION AND CHEMICAL IDENTITY

2. CHEMICAL STRUCTURE

2.1. Molecular Structure

Yttrium acetate hydrate is the acetate salt of yttrium. Yttrium ions (Y³⁺) and acetate ions (CH₃COO⁻) are present in a 1:3 ratio. The compound typically exists as a hydrate with variable water content (usually tetrahydrate). It is hygroscopic and readily absorbs moisture from the air.

Structural Formula:

                    YTTRIUM ACETATE HYDRATE [Y(CH₃COO)₃·xH₂O]
                               |
                     Y³⁺ - CH₃COO⁻ Ionic Bonds
                               |
             +----------------+----------------+
             |                |                |
         Organic Salt        Hygroscopic       Acidic
         Structure           Property          Salt

2.2. Structural Properties

3. PHYSICAL AND CHEMICAL PROPERTIES

4. STABILITY AND REACTIVITY

4.1. Chemical Reactions

Thermal Decomposition:

2Y(CH₃COO)₃·xH₂O → Y₂O₃ + 3CO₂↑ + 3CH₃COCH₃↑ + xH₂O↑

Reaction with Alkali:

Y(CH₃COO)₃ + 3NaOH → Y(OH)₃↓ + 3CH₃COONa

Reaction with Phosphate:

Y(CH₃COO)₃ + Na₃PO₄ → YPO₄↓ + 3CH₃COONa

5. APPLICATION AREAS

5.1. Production of Yttrium Compounds (Precursor)

5.2. Organometallic Synthesis and Catalysis

5.3. Electronics and Photonics

5.4. Advanced Ceramics and Specialty Glass

5.5. Laboratory and Research

6. SECTOR SUITABILITY TABLE

7. STORAGE AND SHELF LIFE

8. PACKAGING OPTIONS

9. SAFETY AND TOXICOLOGY

10. GHS CLASSIFICATION

Signal Word: WARNING

Hazard Pictograms: GHS07 (Exclamation Mark)

11. PRECAUTIONARY STATEMENTS (P-CODES)

12. FIRST AID MEASURES

13. REGULATORY STATUS

14. OTHER NAMES AND SYNONYMS

• Yttrium(III) Acetate Hydrate

• Yttrium Triacetate Hydrate

• Yttrium Acetate Hydrate

• Y(CH₃COO)₃·xH₂O

15. QUICK REFERENCE TABLE

16. CRITICAL NOTICES AND BEST PRACTICES

CRITICAL NOTICES:

1. Yttrium acetate hydrate is highly hygroscopic. Must be stored in moisture-proof containers with desiccant.

2. Protect from light to prevent degradation.

3. Decomposes at high temperatures to yttrium oxide (Y₂O₃).

4. Causes skin and eye irritation. Use appropriate personal protective equipment.

5. Dust may cause respiratory irritation. Use in well-ventilated areas.

6. Primarily used in research, electronics, optics, ceramics, and superconductor applications.

7. Critical for YAG (Yttrium Aluminum Garnet) laser crystal and phosphor production.

BEST PRACTICE RECOMMENDATIONS:

Storage:

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

• Use sealed, moisture-proof containers with desiccant

• Protect from light

• Store at room temperature (15-25°C)

Handling:

• Use in well-ventilated areas

• Use dust mask, protective goggles, and gloves

• Avoid dust formation

• Wash hands after handling

• Immediately reseal container after use

Waste Management:

• Dispose in accordance with local regulations

• Consider rare earth recovery for large quantities

LEGAL DISCLAIMER

This Technical Data Sheet (TDS) is for informational purposes only and is prepared based on available technical data. The user is solely responsible for determining the suitability of the product for their specific application and for complying with all local, national, and international regulations. For complete safety, storage, handling, transport, waste, 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 acetate hydrate is a specialty rare earth compound; appropriate precautions must be taken during handling.