Lead Sulphate Extra Pure

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Lead Sulphate Extra Pure is a fine, white crystalline powder composed of highly purified lead(II) sulfate (PbSO₄), valued for its stability and controlled chemical properties. It is primarily used in analytical chemistry, electrochemical research, and in the manufacture of lead-acid batteries, where it plays a key role in the discharge and recharge cycles. Its low solubility in water makes it suitable for precipitation reactions, and it’s also utilized in the study of insoluble salts in academic laboratories. Despite its stability, lead sulphate is toxic if inhaled or ingested, and appropriate safety measures—such as gloves, masks, and proper ventilation—must be enforced during handling and storage.

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Categories: Analytical Reagents, LABORATORY CHEMICALS, Laboratory Safety Chemicals Tags: AnalyticalReagent, heavymetalcompound, InorganicSalt, LabSafety, LeadCompound, LeadSulphate, SpecialtyLabChemicals, ToxicSubstance

Description

Lead Sulphate Extra Pure

Primary Laboratory Uses:

Analytical Chemistry Reference:
- Used as a standard or reference compound in qualitative and quantitative analysis of lead or sulfate ions.
Electrochemical Research:
- Commonly studied in electrochemistry due to its role in the lead-acid battery cycle, particularly in research on battery degradation and recharge cycles.
Inorganic Reaction Studies:
- Serves as a reactant or product in double displacement reactions and solubility experiments, especially because of its poor water solubility.

Secondary Laboratory Uses:

Toxicology and Environmental Testing:
- Used in research investigating heavy metal contamination, bioavailability, and leachability of lead compounds in environmental samples.
Material Science Studies:
- Evaluated for crystal structure and phase transformation behavior under various thermal or chemical treatments.
Demonstration of Precipitation Reactions:
- Ideal for classroom or laboratory demonstrations involving precipitation of insoluble salts (e.g., reaction between lead nitrate and sulfuric acid).

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name: Lead(II) Sulphate
Synonyms: Lead Sulfate, Plumbous Sulfate
Chemical Formula: PbSO₄
CAS Number: 7446-14-2
Molecular Weight: 303.26 g/mol
Grade: Extra Pure (Laboratory/Analytical Grade)
Appearance: White or grayish-white crystalline powder
Odor: Odorless
Solubility: Insoluble in water and alcohol; soluble in concentrated acids

2. Safety & Hazard Attributes

GHS Classification:
- Reproductive toxicity – Category 1A
- Specific target organ toxicity (repeated exposure) – Category 2
- Acute aquatic toxicity – Category 1
- Chronic aquatic toxicity – Category 1
Hazard Statements:
- H360: May damage fertility or the unborn child
- H373: May cause damage to organs through prolonged or repeated exposure
- H400: Very toxic to aquatic life
- H410: Very toxic to aquatic life with long lasting effects
Precautionary Statements:
- P201: Obtain special instructions before use
- P260: Do not breathe dust
- P273: Avoid release to the environment
- P280: Wear protective gloves and eye protection
- P308+P313: If exposed or concerned: Get medical advice
Personal Protective Equipment (PPE):
- Gloves, safety goggles, lab coat
- Dust mask or respirator in case of airborne dust
- Use under fume hood if possible
First Aid Measures:
- Inhalation: Move to fresh air; seek medical attention
- Skin Contact: Wash with soap and water
- Eye Contact: Rinse with water for several minutes
- Ingestion: Do not induce vomiting; seek medical help immediately
Fire Hazards:
- Not flammable
- Emits toxic fumes of lead and sulfur oxides when heated

3. Storage & Handling Attributes

Storage Conditions:
- Store in a tightly sealed container
- Keep in a cool, dry, well-ventilated area
- Store away from acids and incompatible materials
Handling Tips:
- Avoid dust formation
- Avoid contact with skin and eyes
- Handle with proper PPE and good lab hygiene

4. Laboratory Applications

Primary Uses:
- Preparation of other lead compounds in synthesis
- Reagent in analytical chemistry and gravimetric analysis
- Used in lead-acid battery research
Secondary Uses:
- Teaching demonstrations involving insoluble salts
- Component in pigment and glass research
- Toxicology and heavy metal testing studies

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Wear a lab coat, chemical-resistant gloves (nitrile or neoprene), and safety goggles.
Use a dust mask or operate in a fume hood if there’s a risk of airborne particles.

Handling:

Handle with care—toxic if ingested or inhaled.
Avoid generating or breathing dust.
Do not eat, drink, or smoke while using this chemical.
Wash hands thoroughly after handling and before breaks or meals.

Storage:

Store in a tightly sealed container in a cool, dry, and well-ventilated area.
Keep away from acids, moisture, and foodstuff.
Label and secure storage for toxic substances.

FIRST AID MEASURES

Inhalation:

Move the person to fresh air.
If breathing is difficult, seek medical attention.
Administer oxygen if trained and needed.

Skin Contact:

Wash the affected area with plenty of soap and water.
Remove contaminated clothing.
Get medical advice if irritation or symptoms develop.

Eye Contact:

Rinse cautiously with clean water for at least 15 minutes.
Remove contact lenses if easy to do.
Seek immediate medical attention.

Ingestion:

Do not induce vomiting.
Rinse mouth with water.
Seek urgent medical attention—lead compounds are highly toxic.

FIRE FIGHTING MEASURES

Flammability:

Non-combustible; however, it may emit toxic fumes when heated.

Extinguishing Media:

Use extinguishing agents appropriate for surrounding fire (dry chemical, CO₂, water spray, foam).

Hazardous Combustion Products:

May release lead oxides and sulfur oxides (SOₓ) upon decomposition.

Firefighter Protection:

Wear self-contained breathing apparatus (SCBA) and full protective gear.
Avoid inhalation of any combustion gases or contaminated dust.