Aluminium Nitrate Extra Pure

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SHORT DESCRIPTION

Aluminium Nitrate Extra Pure is a high-purity, white crystalline compound that is highly soluble in water and widely used in laboratory chemistry for analytical, synthesis, and research purposes. It serves as a reliable source of aluminum ions in solution, making it valuable in qualitative analysis, coordination chemistry, and materials science studies. This compound is often utilized in the preparation of other aluminum salts, as a nitrating agent, and in controlled oxidation reactions. Its extra pure grade guarantees minimal interference from contaminants, ensuring accurate, reproducible results in sensitive experimental work. Aluminium Nitrate should be stored in tightly sealed containers, away from moisture and incompatible substances, due to its oxidizing nature and hygroscopicity.

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Category: LABORATORY CHEMICALS Tags: AluminiumStandard, AnalyticalReagent, HighPurityReagent, InorganicOxidizer, NitrateIonAnalysis, NitrateSalt, TitrationChemical, WaterSolubleSalt

Description

USES

Primary Uses

Reagent in Inorganic Analysis
- Supplies aluminum ions in qualitative analysis; used to identify reactions with hydroxides, carbonates, or sulfates.
Precursor in Synthesis of Other Aluminium Compounds
- Used to prepare aluminum hydroxide, alumina (Al₂O₃), or complex salts under controlled conditions.
Catalyst Precursor in Material Science
- Acts as a starting material for lab-scale catalyst preparation, including mixed metal oxides and supported catalysts.
Standard for Nitrate Ion Studies
- Offers both aluminum and nitrate ions, useful in studying ionic behavior, solubility, and hydrolysis in aqueous systems.
pH & Hydrolysis Experiments
- Demonstrates hydrolysis of metal salts and resulting pH changes, ideal for acid-base or buffer studies.

Secondary Uses

Thermal Decomposition Studies
- Decomposes to aluminum oxide, nitrogen oxides, and oxygen—useful in thermogravimetric and decomposition research.
Flame Test & Spectroscopy Calibration
- Provides a source of Al³⁺ ions for testing flame color or calibrating spectroscopy instruments.
Environmental Chemistry Simulations
- Used in studies modeling aluminum mobility and nitrate behavior in soils or aquatic systems.
Precipitation & Crystallization Demonstrations
- Forms well-defined precipitates with hydroxides or fluorides, useful in teaching solubility principles.
Fuel-Oxidizer Compositions (Research Use Only)
- Investigated in energetic material studies as an oxidizing salt component in controlled formulations.

KEY PRODUCT FEATURES

KEY ATTRIBUTES

1. Basic Identification Attributes

Chemical Name: Aluminium Nitrate Nonahydrate (IUPAC: Aluminium trinitrate nonahydrate)
CAS Number: 7784-27-2
HS Code: 28342990 (Other nitrates)
Molecular Formula: Al(NO₃)₃·9H₂O
Synonyms:
- Aluminium(III) nitrate nonahydrate
- Nitric acid, aluminium salt, nonahydrate
- Trinitrate of aluminium
- AlN₃O₉·9H₂O

2. Physical & Chemical Properties

Physical State: Solid (crystalline powder)
Color & Odor: White crystals; odorless
Boiling Point: Decomposes (no boiling point)
Melting Point: ~73°C (with decomposition and water loss)
Density/Specific Gravity: ~1.72 g/cm³
Solubility:
- Water: Very soluble (forms strongly acidic solution)
- Alcohol: Soluble
pH Level: ~2.5–3.5 (in 5% solution – acidic)
Vapor Pressure & Volatility: Non-volatile
Flash Point: Not flammable
Autoignition Temperature: Not applicable
Viscosity: Not applicable (solid)

3. Safety & Hazard Attributes

Hazard Class (GHS):
- Oxidizing Solid (Category 3)
- Eye Irritation (Category 2A)
- Skin Irritation (Category 2)
NFPA Ratings:
- Health: 2
- Flammability: 0
- Reactivity: 2 (oxidizer)
Exposure Limits:
- No specific OSHA PEL or ACGIH TLV
- Handle as oxidizing nitrate compound
Reactivity:
- Strong oxidizer
- Incompatible with reducing agents, combustible materials, and strong acids/bases

4. Storage & Handling Attributes

Storage Conditions:
- Store in cool, dry place in tightly sealed containers
- Keep away from combustible materials and moisture
Incompatible Materials:
- Organic materials, reducing agents, sulfides, phosphides, powdered metals
Container Type:
- Non-metal, non-combustible, airtight containers (glass or HDPE)
Shelf Life & Expiration Date:
- ~2 years if sealed and moisture-free
Special Handling Requirements:
- Use gloves, goggles, and lab coat
- Avoid dust generation; use fume hood for weighing and dissolution

5. Regulatory & Compliance Attributes

Regulatory Status:
- Listed under TSCA, REACH
- Controlled as oxidizing compound
Transportation Restrictions:
- UN Number: UN1438
- Hazard Class: 5.1 (Oxidizing substance)
- Packing Group: III
Waste Disposal Method:
- Neutralize with reducing agent under controlled conditions
- Dispose of as hazardous oxidizing waste in accordance with local guidelines

6. Environmental & Health Impact

Ecotoxicity:
- Harmful to aquatic life in high concentrations
- Increases nitrate levels in water systems
Persistence in Environment:
- Dissolves and disassociates readily; contributes to nutrient loading
Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
Biodegradability:
- Inorganic compound; not biodegradable

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):
- Wear lab coat, chemical-resistant gloves (e.g., nitrile), and safety goggles.
- Use a dust mask or respirator if powder becomes airborne.
Handling:
- Handle in a well-ventilated area or under a fume hood.
- Avoid contact with eyes, skin, and clothing.
- Keep away from combustible materials—aluminium nitrate is a strong oxidizer and can intensify fire.
Storage:
- Store in a tightly sealed container in a cool, dry, well-ventilated area.
- Keep away from heat, flammable substances, and reducing agents.
- Segregate from organic materials, sulfur, powdered metals, and acids.
Hygiene Measures:
- Wash hands thoroughly after handling.
- Avoid eating, drinking, or smoking in lab areas.
- Decontaminate surfaces after use.

FIRST AID MEASURES

Inhalation:
- Move the person to fresh air immediately.
- If breathing is difficult, provide oxygen.
- Seek medical attention if symptoms persist (e.g., coughing, shortness of breath).
Skin Contact:
- Remove contaminated clothing.
- Rinse affected areas with soap and water for at least 15 minutes.
- Seek medical advice if irritation occurs.
Eye Contact:
- Immediately flush eyes with water for at least 15 minutes, holding eyelids apart.
- Remove contact lenses if present and easy to do.
- Seek immediate medical attention.
Ingestion:
- Rinse your mouth thoroughly with water.
- Do not induce vomiting.
- Seek immediate medical attention.
- May cause irritation to the gastrointestinal tract and can be harmful in large amounts.

FIRE FIGHTING MEASURES

Suitable Extinguishing Media:
- Use water spray, dry chemical, or carbon dioxide (CO₂).
- Do not use dry combustibles near the fire (e.g., sawdust or paper).
Specific Hazards:
- Not flammable, but acts as a strong oxidizer—may cause or intensify fire in contact with flammable materials.
- Thermal decomposition can release toxic gases such as nitrogen oxides (NOₓ) and aluminum oxides.
Protective Equipment for Firefighters:
- Wear full protective clothing and self-contained breathing apparatus (SCBA).
Firefighting Instructions:
- Isolate and cool containers with water spray.
- Fight fire from a safe distance and avoid inhaling combustion products.
- Prevent contamination of water sources.