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Calcium Hydroxide(Hydrated lime) Amaris Chemicals
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Calcium Hydroxide Hydrated Lime

Original price was: $ 2.00.Current price is: $ 1.09.

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Calcium Hydroxide Hydrated Lime, commonly known as Hydrated Lime or Slaked Lime, is an inorganic compound with the chemical formula Ca(OH)₂. It appears as a white, odorless, powder or crystalline solid. It is produced by treating quicklime (calcium oxide) with water in a process called slaking. Calcium Hydroxide is moderately soluble in water, forming a strongly alkaline solution known as limewater. It is widely used in construction, environmental, chemical, agricultural, and water treatment applications due to its caustic, neutralizing, and flocculating properties.

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Description

Calcium Hydroxide Hydrated Lime

Primary Uses

  1. Construction & Building Materials 
    • Used as a key ingredient in mortar, plaster, and cement for masonry and plastering works. 
    • Acts as a stabilizing agent in soil stabilization and road construction. 
  2. Water Treatment 
    • Employed to raise pH and neutralize acidic water in municipal and industrial water treatment plants. 
    • Used as a flocculant to remove impurities and heavy metals from wastewater. 
  3. Chemical Industry 
    • Utilized as a neutralizing agent in chemical processes and as a raw material for calcium salts production. 
    • Used in the manufacture of bleaching powder and other calcium compounds. 
  4. Agriculture 
    • Applied to adjust soil pH (liming) to improve fertility and reduce soil acidity. 
    • Used as a pesticide and fungicide to control pests and diseases in crops. 

Secondary Uses

  1. Food Industry 
    • Used in food processing as a firming agent, for example, in pickling and in the production of certain sugar syrups. 
  2. Environmental Applications 
    • Applied in flue gas desulfurization to reduce sulfur dioxide emissions from power plants. 
  3. Leather Industry 
    • Utilized in the tanning process for removing hair and impurities from hides. 
PRODUCT KEY FEATURES

Basic Identification Attributes

  • Chemical Name (IUPAC): Calcium hydroxide 
  • Common/Trade Name: Calcium Hydroxide, Hydrated Lime, Slaked Lime 
  • CAS Number: 1305-62-0 
  • HS Code: 2825.90.00 
  • Molecular Formula: Ca(OH)₂ 
  • Synonyms: 
    • Slaked lime 
    • Hydrated lime 
    • Calcium dihydroxide 
    • Lime hydrate 

2. Physical & Chemical Properties

  • Physical State: Fine powder or crystalline solid 
  • Color & Odor: White; odorless 
  • Melting Point: Decomposes at ~580°C (releases water and forms calcium oxide) 
  • Boiling Point: Not applicable (decomposes) 
  • Density: Approx. 2.2 g/cm³ (powder bulk density varies) 
  • Solubility: Slightly soluble in water (about 1.73 g/L at 20°C), producing a strongly alkaline solution (pH ~12.4) 
  • pH: Strongly alkaline (in aqueous suspension) 
  • Stability: Stable under normal conditions; reacts with acids and carbon dioxide 

3. Safety & Hazard Attributes

  • Hazard Class (GHS): Corrosive (Skin and eye irritant) 
  • NFPA Ratings: 
    • Health: 3 
    • Flammability: 0 
    • Reactivity: 1 
  • Exposure Limits: OSHA PEL: 5 mg/m³ (respirable dust), 15 mg/m³ (total dust) 
  • Toxicity: Irritant to skin, eyes, and respiratory tract; ingestion of large amounts can cause severe irritation 
  • Reactivity: Reacts vigorously with acids; reacts with carbon dioxide forming calcium carbonate 

4. Storage & Handling Attributes

  • Storage Conditions: Store in a cool, dry, well-ventilated area away from moisture and acids 
  • Container Type: Airtight, moisture-resistant containers such as HDPE bags or drums 
  • Shelf Life: Stable for several years if stored properly 
  • Special Handling: Use PPE; avoid dust inhalation and contact with skin/eyes 

5. Regulatory & Compliance Attributes

  • FDA Status: Generally recognized as safe (GRAS) for specific food applications 
  • Pharmacopoeia Compliance: Listed in USP and BP as a reagent and pharmaceutical excipient 
  • Transportation: Not classified as hazardous under most regulations but handle as irritant material 
  • Waste Disposal: Dispose according to local environmental regulations; neutralize before disposal 

6. Environmental & Health Impact

  • Ecotoxicity: Low to moderate; high pH in water can harm aquatic life if released in large quantities 
  • Persistence: Inorganic mineral; does not biodegrade 
  • Bioaccumulation: Not expected to bioaccumulate 
  • Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic 
  • Biodegradability: Not biodegradable 

 

SAFETY HANDLING PRECAUTIONS

Personal Protective Equipment (PPE):

  • Protective gloves 
  • Safety goggles or face shield 
  • Dust mask or respirator (for powder handling) 
  • Protective clothing 

Handling Measures:

  • Avoid generating dust 
  • Handle in well-ventilated areas 
  • Prevent skin and eye contact 

Storage Measures:

  • Keep containers tightly closed 
  • Store away from moisture and acids 

Hygiene Practices:

  • Wash hands and exposed skin thoroughly after handling 
  • Do not eat, drink, or smoke during handling 

 

First Aid Measures

  • Inhalation: Move to fresh air immediately; seek medical attention if breathing difficulty occurs 
  • Skin Contact: Rinse with plenty of water for at least 15 minutes; remove contaminated clothing; seek medical attention if irritation persists 
  • Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; seek urgent medical care 

 

  • Ingestion: Do not induce vomiting; rinse mouth and seek immediate medical attention 

 

Firefighting Measures

  • Fire Hazards: Non-flammable but may react with water or acids producing heat 
  • Extinguishing Media: Use water spray, dry chemical, foam, or CO₂ for surrounding fire 
  • Special Precautions: Firefighters should wear full protective gear and SCBA 
  • Decomposition Products: May release calcium oxide and hydroxide vapors under extreme heat

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