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LABORATORY GRADE

Bleaching Powder Extra Pure

Original price was: $ 17.00.Current price is: $ 16.89.

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Bleaching Powder Extra Pure is a high-purity, white to slightly yellowish powder composed primarily of calcium hypochlorite, widely used in laboratory settings for disinfection, oxidation, and chemical analysis. It serves as a strong oxidizing agent and is employed in qualitative tests for halogens, water treatment simulations, and preparation of chlorine-based reagents. In microbiology and environmental science labs, it is often used to sterilize surfaces and decontaminate samples. The extra pure grade ensures high available chlorine content and minimal impurities, making it reliable for precision applications. It should be stored in a cool, dry place, in airtight containers, away from moisture, organic substances, and acids to maintain its stability and reactivity.

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Description

Bleaching Powder Extra Pure

Primary Uses

  1. Chlorine Source in Analytical Chemistry
    • Used as a source of active chlorine in redox titrations (e.g., iodometry), and for quantifying chlorine content in qualitative or quantitative studies.
  2. Disinfection Studies and Microbiology Labs
    • Applied in sterilization of lab surfaces, instruments, and culture containers, particularly in microbiology or biotech labs.
  3. Preparation of Disinfectant Solutions
    • Used to prepare standard hypochlorite solutions for testing disinfectant potency and for chlorine demand experiments in water analysis.
  4. Oxidizing Agent in Synthesis
    • Functions as a moderate oxidizer in controlled laboratory syntheses involving chlorination, oxidative degradation, or bleaching mechanisms.

Secondary Uses

  1. Demonstration of Redox Reactions
    • Used in educational labs to visually demonstrate oxidation-reduction principles, often in color change or effervescence reactions.
  2. Water Treatment Simulation
    • In environmental chemistry labs, used in simulated water treatment experiments to study chlorine decay and residual disinfectant levels.
  3. Study of Decomposition Kinetics
    • Serves in experiments investigating thermal and chemical degradation of calcium hypochlorite under various conditions.
  4. Stain Removal Testing
    • Occasionally used in textile or surface chemistry experiments to demonstrate mechanisms of stain breakdown or dye fading.
KEY PRODUCT FEATURES

1. Basic Identification Attributes

  • Product Name: Bleaching Powder Extra Pure
  • Other Names: Calcium Hypochlorite (mixed with calcium chloride and hydroxide)
  • Chemical Formula: Approx. Ca(ClO)₂ · CaCl₂ · Ca(OH)₂ · H₂O
  • CAS Number: 7778-54-3
  • HS Code: 2828.10.00 (Calcium hypochlorite, commercial)
  • Grade: Extra Pure (suitable for analytical and laboratory use)

2. Physical & Chemical Properties

  • Appearance: White to pale yellow powder
  • Odor: Strong chlorine-like smell
  • Molecular Weight: Approx. 142.98 g/mol (Ca(ClO)₂ basis)
  • Solubility in Water: Moderate (forms a cloudy alkaline solution)
  • Melting Point: Decomposes before melting
  • pH (1% solution): ~11–13 (strongly basic)
  • Stability: Unstable in presence of heat, light, moisture, and CO₂

3. Safety & Hazard Attributes

  • GHS Classification:
    • Oxidizing solid (Category 2)
    • Acute toxicity – oral (Category 4)
    • Skin/eye irritation (Category 2/1)
    • Environmental hazard – aquatic (Category 1)
  • GHS Pictograms:
     ⚠️ ☣️ 🧨 🌊
  • NFPA Ratings:
    • Health: 3
    • Flammability: 0
    • Reactivity: 1 (oxidizer)
  • Lab Hazards:
    • Releases toxic chlorine gas when exposed to acids
    • Contact can cause burns and irritation
    • Dangerous if inhaled or ingested
  • PPE:
    • Gloves, goggles, lab coat, and face shield
    • Handle in fume hood or well-ventilated area

4. Storage & Handling Attributes

  • Storage Conditions:
    • Keep container tightly closed in a cool, dry, well-ventilated area
    • Protect from light, moisture, and acids
    • Store away from flammable materials and organic substances
  • Incompatible With:
    • Acids (releases chlorine gas)
    • Organic materials, ammonium compounds, and reducing agents
  • Shelf Life:
    • Degrades over time due to loss of available chlorine; use promptly after opening
  • Handling Notes:
    • Use only with clean, dry utensils
    • Never mix with ammonia or acids

5. Regulatory & Compliance Attributes

  • Regulatory Status:
    • Regulated as an oxidizing substance
    • Reportable under environmental safety rules due to chlorine release
  • UN Number: UN 2880 (Calcium Hypochlorite, hydrated, corrosive)
  • Disposal:
    • Dispose of as hazardous oxidizing waste
    • Do not flush to drains without neutralization
    • Follow local chemical waste protocols

6. Environmental & Health Impact

  • Toxicity: Highly toxic to aquatic life
  • Biodegradability: Not applicable – decomposes chemically
  • Health Effects:
    • Irritant to eyes, skin, and respiratory tract
    • Corrosive in concentrated form
    • May aggravate asthma or breathing issues
SAFETY HANDLING PRECAUTIONS

 SAFETY PRECAUTIONS

  1. Personal Protective Equipment (PPE):
    • Wear chemical-resistant gloves, lab coat, goggles, and, where dust may be inhaled, a suitable dust mask or respirator.
  2. Handling:
    • Handle in a well-ventilated area or fume hood.
    • Avoid inhalation of dust, contact with skin, eyes, and clothing.
    • Do not mix with acids — releases toxic chlorine gas.
    • Keep away from flammable materials and organic substances.
  3. Storage:
    • Store in a cool, dry, and well-ventilated place.
    • Keep the container tightly sealed, away from heat, light, and moisture.
    • Incompatible with ammonia, acids, reducing agents, and metals.
  4. Hygiene Measures:
    • Wash thoroughly after handling.
    • Do not eat, drink, or smoke in the laboratory.

FIRST AID MEASURES

  1. Inhalation:
    • Move to fresh air immediately.
    • If breathing difficulty occurs, give oxygen and seek medical attention.
  2. Skin Contact:
    • Remove contaminated clothing.
    • Rinse skin thoroughly with plenty of water.
    • Seek medical help if irritation persists.
  3. Eye Contact:
    • Flush eyes immediately with copious water for 15 minutes, lifting eyelids.
    • Get immediate medical attention.
  4. Ingestion:
    • Do NOT induce vomiting.
    • Rinse mouth with water if conscious.
    • Seek immediate medical assistance.

FIRE FIGHTING MEASURES

  1. Extinguishing Media:
    • Use water spray, foam, or dry chemicals.
    • Do not use CO₂ directly on the powder—it may react violently with concentrated acids.
  2. Fire Hazards:
    • Not combustible, but oxidizing—enhances combustion of other materials.
    • Decomposes at high temperatures releasing toxic gases: chlorine, oxygen.
  3. Protective Equipment for Firefighters:
    • Use self-contained breathing apparatus (SCBA).
    • Wear full chemical-protective gear.
  4. Explosion Risk:
    • Mixtures with organic materials or reducing agents may ignite explosively.

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