Lead Carbonate Extra Pure

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Lead Carbonate Extra Pure is a fine white powder with the chemical formula PbCO₃, valued for its high purity and stability. Historically known as “white lead,” it has been used as a pigment in paints, though this application is now limited due to its toxicity. In modern laboratory and industrial settings, it is primarily used in chemical synthesis, ceramics, and material science research. Lead carbonate plays a role in catalyst preparation and in the manufacture of other lead compounds. Its insolubility in water makes it useful in specific controlled-reaction systems. Proper protective measures are essential when handling this compound due to the health risks associated with lead exposure.

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Category: LABORATORY CHEMICALS Tags: environmentalstudies, hazardouschemical, heavymetalresearch, historicalpigments, inorganicchemistry, labchemical, leadcarbonate, toxicology

Description

Lead Carbonate Extra Pure

Primary Laboratory Uses:

Pigment Research (White Lead Studies):
Studied as a historical white pigment in art conservation and materials analysis due to its role in traditional paints.
Analytical Chemistry (Lead Source):
Used as a standard source of lead (Pb²⁺) ions in various qualitative and quantitative experiments.

Secondary Laboratory Uses:

Thermal Decomposition Experiments:
Investigated for decomposition into lead oxide and carbon dioxide at elevated temperatures—relevant in materials science.
Ceramic and Glass Studies:
Occasionally evaluated in formulation of lead-based glazes or glasses under controlled academic or industrial research.
Toxicology and Environmental Studies:
Used in controlled toxicological experiments and soil contamination simulation for studying lead behavior in the environment.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name: Lead(II) Carbonate
Synonyms: Cerussite, Plumbous carbonate
Chemical Formula: PbCO₃
CAS Number: 598-63-0
Molecular Weight: 267.21 g/mol
Grade: Extra Pure (suitable for analytical and lab use)
Appearance: White or off-white fine powder
Odor: Odorless
Solubility: Insoluble in water; soluble in nitric and acetic acids
Melting Point: Decomposes at high temperature without melting

2. Safety & Hazard Attributes

GHS Classification:
- Acute Toxicity – Category 4 (oral)
- Reproductive Toxicity – Category 1A
- Specific Target Organ Toxicity (Repeated Exposure) – Category 2
- Aquatic Chronic – Category 2
Hazard Statements:
- H302: Harmful if swallowed
- H360: May damage fertility or the unborn child
- H373: May cause damage to organs through prolonged or repeated exposure
- H411: Toxic to aquatic life with long lasting effects
Precautionary Statements:
- P201: Obtain special instructions before use
- P261: Avoid breathing dust
- P280: Wear protective gloves, clothing, and eye/face protection
- P273: Avoid release to the environment
- P301+P312: IF SWALLOWED: Call a POISON CENTER if you feel unwell
Personal Protective Equipment (PPE):
- Lab coat
- Chemical-resistant gloves (e.g., nitrile)
- Safety goggles or face shield
- Dust respirator if ventilation is poor
First Aid Measures:
- Inhalation: Move to fresh air; seek medical attention
- Skin Contact: Wash with soap and water
- Eye Contact: Rinse cautiously with water for several minutes
- Ingestion: Rinse mouth; do not induce vomiting; seek immediate medical help
Fire Hazards:
- Non-flammable
- Extinguishing Media: Use appropriate media for surrounding fire
- Avoid breathing decomposition fumes which may include lead oxides

3. Storage & Handling Attributes

Storage Conditions:
- Store in a tightly sealed container
- Keep in a dry, cool, well-ventilated place
- Segregate from food, acids, and incompatible substances
- Clearly label as toxic; restrict access to trained personnel
Handling Tips:
- Handle in a fume hood
- Minimize dust generation and accumulation
- Follow hazardous waste disposal protocols

4. Laboratory Applications

Primary Uses:
- Used in inorganic chemistry experiments involving lead salts
- Precursor in pigment manufacturing studies (historically white lead)
- Analytical reagent for lead detection and complexation studies
Secondary Uses:
- Used in materials research, especially ceramics and glass
- Occasionally used in historical pigment and corrosion research
- Demonstration of carbonate decomposition reactions

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Wear a lab coat, chemical-resistant gloves (nitrile or neoprene), and safety goggles.
Use a NIOSH-approved respirator or operate in a certified fume hood to avoid inhaling dust.
Avoid direct skin or eye contact.

Handling:

Handle with extreme caution—highly toxic if ingested or inhaled.
Avoid generating or breathing dust.
Prevent contamination of surfaces or clothing.
Wash hands and face thoroughly after handling.
Do not eat, drink, or smoke while handling this chemical.

Storage:

Store in a tightly closed container in a cool, dry, well-ventilated area.
Keep away from acids, moisture, and incompatible substances.
Label as TOXIC and restrict access.

FIRST AID MEASURES

Inhalation:

Move the affected person to fresh air immediately.
Keep them warm and at rest.
Seek emergency medical attention if symptoms like coughing or dizziness occur.

Skin Contact:

Remove contaminated clothing.
Wash skin with plenty of water and soap for at least 15 minutes.
Seek medical help if irritation or symptoms persist.

Eye Contact:

Rinse cautiously with water for several minutes.
Remove contact lenses if easy to do.
Continue rinsing and get immediate medical attention.

Ingestion:

Rinse your mouth thoroughly.
Do NOT induce vomiting.
Seek urgent medical attention—lead carbonate is highly toxic if swallowed.

FIRE FIGHTING MEASURES

Flammability:

Non-flammable, but decomposes at high temperatures.

Extinguishing Media:

Use dry chemicals, foam, or CO₂.
Water spray may be used for cooling, but avoid runoff.

Hazardous Combustion Products:

May release toxic lead oxides and carbon monoxide/dioxide when decomposed in fire.

Firefighter Protection:

Wear full protective gear and self-contained breathing apparatus (SCBA).
Avoid inhaling smoke, fumes, or dust.