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Ammonium Carbonate Extra Pure

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Ammonium Carbonate Extra Pure is a high-quality, white crystalline solid widely used across various scientific, industrial, and food-related applications. Manufactured to stringent purity standards, this compound is ideal for laboratories and processes that demand high-grade reagents. With its characteristic ammonia-like odor and ability to decompose upon heating, ammonium carbonate plays a versatile role in both chemical reactions and physical processes.

In aqueous solution, ammonium carbonate breaks down into ammonium bicarbonate and ammonium carbamate, further releasing ammonia (NH₃) and carbon dioxide (CO₂) upon heating. This property makes it especially useful in applications that require controlled gas release or temporary pH modification.

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Categories: Analytical Reagents, Inorganic and Organic Standards Tags: AmmoniumCarbonate, AnalyticalReagent, GasEvolutionReagent, HighPurityChemical, InorganicStandard, LabPrecipitant, ThermalDecomposition, VolatileSalt

Description

Table of Contents

Ammonium Carbonate Extra Pure

Primary Uses

Reagent in Analytical Chemistry
- Used in qualitative analysis for precipitating metal carbonates (e.g., calcium, barium) in classic group tests.
Volatile Buffer Component
- Applied in mass spectrometry sample prep and protein analysis due to its decomposable, low-residue nature.
Source of Ammonia and Carbon Dioxide
- Releases NH₃ and CO₂ on heating or exposure to moisture, making it useful for gas evolution studies and simulations.
Protein Precipitation in Biochemistry
- Occasionally used to precipitate proteins or enzymes under specific pH and ionic conditions.
Educational Demonstrations in Decomposition and Gas Reactions
- Ideal for classroom demonstrations of thermal decomposition, gas evolution, and equilibrium systems.

Secondary Uses

Leavening Agent Studies in Food Chemistry Labs
- Investigated for its historical and experimental role as a leavening agent, particularly in controlled baking simulations.
Simulation of Biological Ammonia Cycles
- Used in ecological or biochemical models of nitrogen metabolism and urea breakdown.
Preparation of Ammonium-Based Compounds
- Acts as a precursor for synthesis of other ammonium salts, including lab-made fertilizers or reagents.
pH Adjustment in Non-Aqueous Systems
- Used in specialized buffer systems requiring a mild, temporary pH shift.
Fume Generation in Insect Behavior Studies
- Sometimes used in entomology research to release ammonia vapor for attracting or repelling certain insects in lab trials.

Additional information

PACK SIZE	500 grams Plastic Tin

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name: Ammonium Carbonate
CAS Number: 10361-29-2 (for commercial mixture) or 506-87-6 (pure compound)
HS Code: 28369900 (Carbonates; other than sodium, potassium, or lithium)
Molecular Formula: (NH₄)₂CO₃ (pure form)
Synonyms:
- Hartshorn salt
- Sal volatile
- Ammonium sesquicarbonate (common commercial mixture)
- Carbonic acid diammonium salt
- Baker’s ammonia

2. Physical & Chemical Properties

Physical State: Solid (white crystalline powder or lumps)
Color & Odor: White; sharp, ammonia-like odor
Boiling Point: Decomposes before boiling
Melting Point: ~58°C (decomposes to NH₃, CO₂, and H₂O)
Density/Specific Gravity: ~1.5 g/cm³
Solubility:
- Water: Soluble (~100 g/L at 20°C)
- Alcohol: Insoluble
pH Level: ~8.0–9.0 (in 5% aqueous solution)
Vapor Pressure: Releases ammonia and carbon dioxide vapors on heating
Flash Point: Not flammable
Autoignition Temperature: Not applicable
Viscosity: Not applicable (solid)

3. Safety & Hazard Attributes

Hazard Class (GHS):
- Eye Irritation (Category 2A)
- Skin Irritation (Category 2)
- Acute Toxicity (Inhalation, Category 4)
NFPA Ratings:
- Health: 2
- Flammability: 0
- Reactivity: 1
Exposure Limits:
- OSHA PEL for ammonia: 50 ppm
- ACGIH TLV for ammonia: 25 ppm (TWA), 35 ppm (STEL)
Reactivity:
- Decomposes readily in moist air or when heated
- Reacts with acids to release CO₂ gas
- May release irritating ammonia fumes

4. Storage & Handling Attributes

Storage Conditions:
- Store in airtight containers in a cool, dry, well-ventilated place
- Protect from heat and moisture
Incompatible Materials:
- Acids, oxidizing agents, strong bases
Container Type:
- HDPE or glass containers with tight lids
Shelf Life & Expiration Date:
- ~1–2 years if properly sealed; decomposes gradually when exposed to air
Special Handling Requirements:
- Handle in a fume hood or well-ventilated area
- Use gloves, goggles, and avoid breathing vapors or dust

5. Regulatory & Compliance Attributes

Regulatory Status:
- Listed under TSCA, REACH
- Approved for use in laboratories and food-grade applications (when applicable)
Transportation Restrictions:
- Not regulated for transport under standard lab quantities
Waste Disposal Method:
- Neutralize and dispose in accordance with local environmental regulations
- Avoid releasing fumes into enclosed spaces

6. Environmental & Health Impact

Ecotoxicity:
- Low; ammonium and carbonate ions may contribute to nutrient loading in water
Persistence in Environment:
- Decomposes into ammonia, carbon dioxide, and water
Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
Biodegradability:
- Inorganic; rapidly decomposes into naturally occurring compounds

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):
- Wear a lab coat, chemical splash goggles, and chemical-resistant gloves (e.g., nitrile).
- Use a dust mask or respirator if handling large amounts or if dust is generated.
Handling:
- Handle in a well-ventilated area or under a fume hood—decomposes to release ammonia gas.
- Avoid breathing dust or vapors.
- Prevent contact with skin, eyes, and clothing.
- Do not mix with acids, as this will release carbon dioxide and ammonia gas.
Storage:
- Store in a tightly sealed container in a cool, dry, well-ventilated place.
- Protect from heat, moisture, and direct sunlight.
- Avoid contact with acidic or oxidizing substances.
Hygiene Measures:
- Wash hands and exposed areas thoroughly after handling.
- Avoid eating, drinking, or smoking in the lab.
- Clean any spills promptly to prevent exposure to decomposed vapors.

FIRST AID MEASURES

Inhalation:
- Move the person to fresh air immediately.
- If breathing becomes difficult or irritation occurs, administer oxygen and seek medical attention.
- Monitor for symptoms like coughing, shortness of breath, or sore throat.
Skin Contact:
- Remove contaminated clothing.
- Rinse skin thoroughly with soap and water.
- Seek medical attention if irritation develops or persists.
Eye Contact:
- Immediately flush eyes with plenty of water for at least 15 minutes.
- Keep eyelids open and remove contact lenses if present.
- Seek medical attention if irritation continues.
Ingestion:
- Rinse mouth with water.
- Do not induce vomiting.
- If the person is conscious, give water or milk to dilute.
- Seek immediate medical help due to potential irritation of the digestive tract.

FIRE FIGHTING MEASURES

Suitable Extinguishing Media:
- Use water spray, dry chemical powder, foam, or carbon dioxide (CO₂) depending on surrounding materials.
Specific Hazards:
- Not flammable, but decomposes upon heating to release ammonia and carbon dioxide.
- Vapors may be irritating or toxic in confined areas.
Protective Equipment for Firefighters:
- Wear full protective clothing and a self-contained breathing apparatus (SCBA).
Firefighting Instructions:
- Cool exposed containers with water spray.
- Avoid inhaling decomposition gases.
- Control runoff to avoid environmental contamination.