Barium Nitrate Extra Pure

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Barium Nitrate Extra Pure is a high-purity, white crystalline compound widely used in laboratory chemistry for analytical, inorganic, and combustion-related studies. As a strong oxidizing agent, it plays a key role in thermal decomposition and pyrotechnic research, producing a characteristic green flame in flame tests. It is also used in the synthesis of other barium compounds, precipitation reactions, and studies involving nitrate chemistry. The extra pure grade ensures minimal levels of impurities, making it suitable for high-precision experiments and sensitive analytical work. Due to its oxidizing nature and toxicity, it should be handled with care and stored in tightly sealed containers in a cool, dry place, away from organic materials and heat sources.

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Categories: Analytical Reagents, Inorganic and Organic Standards Tags: AnalyticalReagent, BariumNitrate, FlameTestGreen, HighPurityBaNO3, InorganicStandard, OxidizingAgent, PyrotechnicChemistry, ThermalDecomposition

Description

USES

Primary Uses

Reagent in Flame Test Demonstrations
- Emits a distinctive green flame due to the presence of Ba²⁺ ions — a common demonstration in elemental identification and teaching spectroscopy.
Oxidizing Agent in Redox Reactions
- Acts as a source of nitrate ions, facilitating oxidation reactions in inorganic chemistry labs and small-scale combustion studies.
Precursor for Synthesis of Other Barium Compounds
- Reacts with acids or bases to yield BaCl₂, BaCO₃, BaSO₄, etc., making it a valuable starting material in salt synthesis experiments.
Gravimetric and Volumetric Analysis
- Used in precipitation reactions to determine concentrations of sulfate, carbonate, or chromate ions by forming sparingly soluble barium salts.
Standard Compound in Solubility Product (Ksp) Studies
- Useful for constructing solubility curves or studying precipitation equilibria, especially in multivalent anion systems.

Secondary Uses

Pyrochemical and Propellant Research (Lab-Scale)
- Occasionally used in research on pyrotechnic mixtures and oxidizer behavior, under strictly controlled lab conditions (not for general lab use due to explosion risk).
Source of Ba²⁺ in Coordination Chemistry
- Utilized to study complex formation, ionic radii, and stability of barium-ligand interactions in educational inorganic chemistry experiments.
Teaching Tool in Qualitative Inorganic Analysis
- Demonstrates group 2 metal behaviors, including solubility differences, thermal decomposition, and nitrate ion analysis.
Demonstration of Thermal Decomposition of Nitrates
- Decomposes upon heating to produce barium oxide (BaO), nitrogen dioxide (NO₂), and oxygen (O₂) — useful in kinetic and thermodynamic studies.
Research in Glass, Ceramic & Electroceramic Chemistry
- Occasionally tested in glass formulations or Ba-based ceramic materials for dielectric and optical studies.

Product Key Features

KEY ATTRIBUTES

1. Basic Identification Attributes

Chemical Name: Barium Nitrate
CAS Number: 10022-31-8
HS Code: 28342990 (Other nitrates: Barium nitrate)
Molecular Formula: Ba(NO₃)₂
Synonyms:
- Barium dinitrate
- Nitric acid, barium salt
- Barium salt of nitric acid

2. Physical & Chemical Properties

Physical State: Solid (crystalline powder or granules)
Color & Odor: White; odorless
Melting Point: 592 °C
Boiling Point: Decomposes before boiling
Density: ~3.24 g/cm³
Solubility:
- Water: Soluble (~10.5 g/100 mL at 20 °C)
- Alcohol: Insoluble
pH (aqueous solution): Neutral to slightly acidic
Vapor Pressure: Not applicable
Flash Point: Not flammable (oxidizer)

3. Safety & Hazard Attributes

Hazard Class (GHS):
- Oxidizing Solid (Category 2)
- Acute Toxicity, Oral (Category 4)
- Eye Irritation (Category 2A)
NFPA Ratings:
- Health: 2
- Flammability: 0
- Reactivity: 1 (oxidizer)
Exposure Limits:
- OSHA PEL (as Ba): 0.5 mg/m³
- ACGIH TLV (as Ba): 0.5 mg/m³
Reactivity:
- Strong oxidizer — may accelerate combustion
- Reacts with combustible materials and reducing agents
- Decomposes to release toxic fumes (NOₓ, BaO)

4. Storage & Handling Attributes

Storage Conditions:
- Store in a cool, dry, well-ventilated place
- Keep away from incompatible substances (e.g., organic matter, sulfur, reducing agents)
Incompatible Materials:
- Combustibles, acids, reducing agents, phosphorus
Container Type:
- Use only non-metallic, tightly sealed containers
Shelf Life:
- Stable for 3+ years if stored dry
Special Handling:
- Wear protective gloves, goggles, lab coat
- Handle in fume hood; avoid inhaling dust

5. Regulatory & Compliance Attributes

Transportation Information:
- UN Number: UN1446
- Class: 5.1 (Oxidizing substance)
- Packing Group: II
Waste Disposal:
- Dispose of as hazardous waste
- Avoid release into drains or environment
Regulations:
- Listed under TSCA, REACH, IATA, and IMDG
- Regulated due to oxidizing and toxic properties

6. Environmental & Health Impact

Ecotoxicity:
- Toxic to aquatic life due to barium ion toxicity
Biodegradability:
- Inorganic compound — not biodegradable
Carcinogenicity:
- Not classified as carcinogenic
Bioaccumulation Potential:
- Low in humans, but soluble barium compounds are hazardous

Safety Handling Precautions

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):
- Wear a lab coat, chemical-resistant gloves (e.g., nitrile), and safety goggles.
- Use a fume hood during weighing, transfer, or heating.
Handling:
- Avoid contact with skin, eyes, and clothing.
- Do not inhale dust—it is toxic and irritating to the respiratory system.
- Keep away from organic materials, combustibles, and reducing agents—oxidizers.
Storage:
- Store in a cool, dry, and well-ventilated area.
- Keep the container tightly sealed and away from flammable materials.
- Store separately from acids and organics.
Hygiene Measures:
- Wash hands thoroughly after handling.
- Avoid any ingestion or cross-contamination with food and drinks in lab.

FIRST AID MEASURES

Inhalation:
- Move the person to fresh air.
- Seek medical attention if irritation, coughing, or shortness of breath occurs.
Skin Contact:
- Wash immediately with plenty of water.
- Remove contaminated clothing and rinse affected area.
- Seek medical help if irritation or pain persists.
Eye Contact:
- Rinse thoroughly with copious water for at least 15 minutes.
- Seek immediate medical attention.
Ingestion:
- Do not induce vomiting.
- Rinse mouth and give water if the person is conscious.
- Seek emergency medical attention — barium compounds are highly toxic when ingested.

FIRE FIGHTING MEASURES

Extinguishing Media:
- Use water spray, CO₂, dry chemical, or foam.
- Avoid using dry combustibles near this oxidizer.
Fire Hazards:
- Not combustible itself, but supports combustion of other materials.
- Decomposes on heating to release:
  - Barium oxide (BaO)
  - Nitrogen oxides (NOₓ)
Protective Equipment:
- Firefighters must wear self-contained breathing apparatus (SCBA) and full protective gear.
Firefighting Instructions:
- Cool containers with water spray.