Sodium Acetate Trihydrate - Hot Ice

Sodium Acetate Trihydrate

Sodium Acetate Trihydrate (CAS 6131-90-4), commonly known as "Hot Ice," is a high-purity crystalline compound widely used for reusable heat packs, educational science demonstrations, crystal growth projects, thermal energy storage, and laboratory applications. This versatile material rapidly crystallises from a supersaturated solution, releasing heat and creating a fascinating hot ice effect.

Key Features

✔ High-purity Sodium Acetate Trihydrate (CAS 6131-90-4)
✔ Produces the famous "Hot Ice" crystallisation reaction
✔ Ideal for reusable heat packs and hand warmers
✔ Excellent for crystal growing and educational demonstrations
✔ Available in multiple pack sizes for hobby, educational, and industrial use

Uses

1. Reusable hand warmer and heat pack production
2. Crystal growing and educational science experiments
3. Thermal energy storage applications
4. Laboratory and research projects
5. Chemistry demonstrations and STEM education

📋 Product Details

Weight Options:

• 250g Aluminium Bag
• 500g Aluminium Bag (or 2 × 250g depending on stock availability)
• 1.5kg Jerry Can
• 3kg (2 × 1.5kg Jerry Cans)

Grade: Technical / Laboratory Grade

Form: White Crystalline Powder / Crystals

CAS Number: 6131-90-4

Chemical Name: Sodium Acetate Trihydrate

Chemical Formula: C₂H₃NaO₂·3H₂O

📈 Other Names

• Sodium Acetate Trihydrate
• Hot Ice Crystals
• Sodium Ethanoate Trihydrate
• Reusable Heat Pack Chemical
• Heat Storage Crystals
• Supersaturated Sodium Acetate
• Crystallisation Demonstration Chemical
• Thermal Storage Compound
• Hand Warmer Crystal Compound
• Sodium Acetate 6131-90-4

SEO Keywords: Sodium Acetate Trihydrate, Hot Ice Crystals, Sodium Ethanoate Trihydrate, Reusable Heat Pack Compound, Hand Warmer Chemical, Crystal Growing Crystals, Hot Ice Experiment, Sodium Acetate CAS 6131-90-4, Thermal Storage Material, Chemistry Demonstration Supplies, STEM Science Materials, Laboratory Chemicals

How to Use – 5 Popular Applications

1. Reusable Heat Pack Solution

Materials

• 100g Sodium Acetate Trihydrate
• 20–30ml distilled water
• Suitable heat-resistant container

Steps

1. Add 100g sodium acetate trihydrate to a container.
2. Heat gently until fully dissolved.
3. Allow the solution to cool undisturbed.
4. Trigger crystallisation using a seed crystal or metal clicker.
5. Heat is released instantly as crystals form.

Safety: Use heat-resistant containers and avoid contact with hot solutions.

2. Hot Ice Demonstration

Materials

• 200g Sodium Acetate Trihydrate
• 50ml water

Steps

1. Dissolve crystals completely with gentle heating.
2. Cool the solution without disturbing it.
3. Pour onto a small seed crystal.
4. Watch crystals rapidly form into a "hot ice" tower.
5. Repeat by reheating the crystals.

Safety: Adult supervision recommended during heating.

3. Crystal Growing Project

Materials

• 100g Sodium Acetate Trihydrate
• 25ml warm water

Steps

1. Create a saturated solution.
2. Filter if necessary.
3. Allow slow cooling.
4. Place a seed crystal into the solution.
5. Leave undisturbed for crystal growth.

Safety: Store away from food and drink.

4. Thermal Energy Storage Testing

Materials

• Desired quantity of Sodium Acetate Trihydrate
• Heat-resistant storage vessel

Steps

1. Melt the material by heating.
2. Store in insulated containers.
3. Allow cooling while remaining liquid.
4. Trigger crystallisation when heat is needed.
5. Reheat to reset the cycle.

Safety: Follow suitable thermal handling procedures.

5. Educational Chemistry Demonstration

Materials

• Sodium Acetate Trihydrate solution
• Clear laboratory beaker

Steps

1. Prepare a supersaturated solution.
2. Cool the solution completely.
3. Introduce a crystal seed.
4. Observe rapid crystallisation.
5. Discuss phase change and energy release concepts.

Safety: Wear safety glasses and laboratory gloves when conducting demonstrations.

❓ FAQ

❓ What is Sodium Acetate Trihydrate?

Sodium Acetate Trihydrate is a crystalline salt commonly used in reusable heat packs, science demonstrations, crystal growing projects, and thermal energy storage applications.

❓ Why is it called "Hot Ice"?

When a supersaturated solution crystallises, it forms solid crystals that resemble ice while releasing heat, creating the famous "hot ice" effect.

❓ Can it be reused?

Yes. The crystallised material can be melted and reused repeatedly by heating until fully dissolved.

❓ Is Sodium Acetate Trihydrate suitable for crystal growing?

Yes. It is widely used for educational crystal growing projects and chemistry demonstrations due to its rapid crystallisation properties.

❓ How should it be stored?

Store in a cool, dry place in a tightly sealed container away from moisture, contamination, food, and beverages.

Technical Specification