Lead Iodide Extra Pure

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Lead Iodide Extra Pure is a bright yellow crystalline compound with the formula PbIâ‚‚, known for its striking color and high chemical purity, making it ideal for laboratory and research use. It is commonly used in materials science, especially in the fabrication of perovskite solar cells and semiconductors, due to its optical properties and ability to form thin films. In academic research, it plays a role in crystal growth experiments, and its distinct color change upon heating serves as a classic demonstration in chemistry education. Owing to its lead content, appropriate handling precautions and environmental safeguards are essential when working with this compound.

Description

Lead Iodide Extra Pure

Primary Laboratory Uses:

Precipitation Reaction Demonstrations:

Widely used in teaching labs to demonstrate double displacement and precipitation reactions, notably the formation of bright yellow PbIâ‚‚ crystals.

Perovskite Solar Cell Research:

Serves as a key precursor in the synthesis of lead halide perovskites, which are being studied for solar cell and optoelectronic applications.

Secondary Laboratory Uses:

Crystallization Studies:

Used in labs for crystal growth experiments due to its vivid yellow, plate-like crystalline structure.

Study of Light Sensitivity:

Useful in examining photochemical decomposition processes and sensitivity to light, aiding in material science research.

Inorganic Chemistry Synthesis:

Functions as a reagent in preparing other lead or iodide-containing compounds.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name: Lead(II) Iodide

Synonyms: Plumbous iodide

Chemical Formula: PbIâ‚‚

CAS Number: 10101-63-0

Molecular Weight: 461.01 g/mol

Grade: Extra Pure (suitable for analytical and educational use)

Appearance: Bright yellow crystalline powder

Solubility: Slightly soluble in cold water; more soluble in hot water

Melting Point: ~402°C

Odor: Odorless

2. Safety & Hazard Attributes

GHS Classification:

Acute toxicity (oral) – Category 4

Reproductive toxicity – Category 1A

Specific Target Organ Toxicity (Repeated Exposure) – Category 2

Hazardous to aquatic environment – Chronic Category 1

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

H410: Very toxic to aquatic life with long lasting effects

Precautionary Statements:

P201: Obtain special instructions before use

P273: Avoid release to the environment

P280: Wear protective gloves/protective clothing/eye protection

P301+P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell

P308+P313: If exposed or concerned: Get medical advice

Personal Protective Equipment (PPE):

Safety goggles

Lab coat

Nitrile gloves

Dust mask or fume hood

First Aid Measures:

Inhalation: Move to fresh air and seek medical attention if symptoms occur

Skin Contact: Wash thoroughly with soap and water

Eye Contact: Rinse cautiously with water for several minutes

Ingestion: Rinse mouth; seek medical attention immediately

Fire Hazards:

Non-flammable; use standard extinguishing agents for nearby combustibles

Decomposes to release toxic fumes of lead and iodine

3. Storage & Handling Attributes

Storage Conditions:

Store in a tightly sealed container

Keep in a cool, dry, well-ventilated place

Protect from moisture and incompatible substances (e.g., acids, strong oxidizers)

Handling Tips:

Use under a fume hood

Avoid dust generation

Wash thoroughly after handling

Prevent environmental release

4. Laboratory Applications

Primary Uses:

Demonstrations of precipitation reactions and halide chemistry

Study of crystal structure and semiconductor properties

Used in research on perovskite solar cells and X-ray detectors

Secondary Uses:

Teaching material for solubility rules and double displacement reactions

Materials science research involving heavy metal halides

Historical pigment studies (limited to academic settings)

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Wear a lab coat, nitrile gloves, and chemical splash goggles.

Use a particulate respirator or handle inside a fume hood to prevent inhalation of dust.

Handling:

Avoid contact with skin, eyes, and clothing.

Prevent dust generation and avoid inhaling dust.

Wash hands thoroughly after handling and before eating or drinking.

Storage:

Store in a tightly closed container in a cool, dry, and well-ventilated area.

Protect from moisture, incompatible substances, and light.

Keep away from acids, oxidizers, and ammonium salts.

FIRST AID MEASURES

Inhalation:

Move people to fresh air.

Administer oxygen if breathing is difficult.

Seek medical attention if symptoms persist.

Skin Contact:

Remove any contaminated clothing.

Wash thoroughly with soap and water.

Get medical advice if irritation occurs.

Eye Contact:

Rinse cautiously with plenty of water for several minutes.

Remove contact lenses if present and easy to do.

Continue rinsing and seek medical attention.

Ingestion:

Do not induce vomiting.

Rinse mouth with water.

Seek immediate medical help.

Toxic due to lead content – may cause systemic health effects.

FIRE FIGHTING MEASURES

Flammability:

Not flammable. May decompose upon heating, releasing toxic fumes.

Extinguishing Media:

Use dry chemicals, foam, or carbon dioxide (COâ‚‚).

Water spray may be used to cool containers.

Hazardous Combustion Products:

May release lead oxides, iodine vapors, and hydrogen iodide gas when heated.

Firefighter Protection:

Wear self-contained breathing apparatus (SCBA) and full protective suit.

Prevent run-off from contaminating water sources.