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Borax Pentahydrate
Original price was: $ 2.25.$ 2.14Current price is: $ 2.14.
Borax Pentahydrate (sodium tetraborate pentahydrate) is an inorganic compound and a hydrated form of borax. It typically appears as colorless to white crystalline granules or powder. This compound contains five molecules of water of crystallization per formula unit, distinguishing it from other borax hydrates such as the decahydrate form. Borax Pentahydrate is widely used across industries including detergents, glass production, agriculture, and cosmetics, valued for its buffering capacity, emulsification, and antiseptic properties. It is soluble in water and exhibits alkaline properties in aqueous solution.
Borax Pentahydrate
Primary Uses
- Detergent and Cleaning Products
- Functions as a pH buffer and water softener in laundry detergents and household cleaning agents.
- Enhances cleaning efficiency by maintaining alkaline conditions for stain removal and grease breakdown.
- Glass and Ceramics Manufacturing
- Used as a fluxing agent to reduce melting points and improve physical properties of glass and ceramics.
- Agriculture
- Serves as a boron micronutrient fertilizer, essential for plant growth and development.
- Cosmetics and Personal Care
- Used as an emulsifier and preservative in creams, lotions, and bath salts.
- Provides mild antiseptic and buffering properties.
- Industrial Applications
- Utilized in soldering fluxes, fire retardants, and wood preservatives.
Secondary Uses
- Water Treatment
- Employed to adjust pH and alkalinity in water treatment processes.
- Laboratory Reagent
- Used as a buffering agent and reagent in chemical laboratories.
- Household and Crafts
- Used in homemade slime recipes and as a mild abrasive cleaning agent.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Sodium tetraborate pentahydrate
- Common/Trade Name: Borax Pentahydrate
- CAS Number: 12179-04-3
- HS Code: 2840.10.00
- Molecular Formula: Na2B4O7·5H2O
- Synonyms:
- Sodium borate pentahydrate
- Disodium tetraborate pentahydrate
- Borax 5H2O
2. Physical & Chemical Properties
- Physical State: Crystalline powder or granules
- Color & Odor: White or colorless; odorless
- Melting Point: Decomposes around 75°C (loses water of crystallization)
- Boiling Point: Not applicable (decomposes)
- Density: Approximately 1.75 g/cm³
- Solubility: Soluble in water (higher solubility than decahydrate); insoluble in alcohol
- pH: Alkaline (approx. 9–10 in 1% aqueous solution)
- Vapor Pressure: Negligible
- Stability: Stable under normal conditions; loses water upon heating
3. Safety & Hazard Attributes
- Hazard Class (GHS): Irritant to skin and eyes
- NFPA Ratings:
- Health: 2
- Flammability: 0
- Reactivity: 0
- Exposure Limits:
- OSHA PEL: Not established
- ACGIH TLV: 2 mg/m³ (inhalable dust)
- Toxicity: Low acute toxicity; may cause irritation if ingested or inhaled in large quantities
- Reactivity: Stable; reacts with strong acids releasing boric acid
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area away from moisture
- Container Type: Sealed plastic bags, drums, or containers
- Shelf Life: Typically 2–3 years under proper storage
- Special Handling: Avoid dust formation; use appropriate PPE
5. Regulatory & Compliance Attributes
- FDA Status: Generally recognized as safe (GRAS) for limited uses
- Environmental Regulations: Complies with REACH and other chemical regulations
- Transportation: Not classified as hazardous material
- Waste Disposal: Follow local regulations; non-hazardous
6. Environmental & Health Impact
- Ecotoxicity: Low to moderate; excess boron is harmful to aquatic organisms
- Persistence: Inorganic and stable in environment
- Bioaccumulation: Not expected to bioaccumulate
- Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic
- Biodegradability: Not biodegradable (inorganic compound)
Safety Handling Precautions
Personal Protective Equipment (PPE):
- Gloves
- Safety goggles
- Dust mask or respirator when handling powder
- Protective clothing
Handling Measures:
- Avoid inhalation of dust and contact with skin or eyes
- Use local exhaust ventilation if dust is generated
- Work in well-ventilated areas
Storage Measures:
- Keep container tightly closed
- Store away from incompatible materials
Hygiene Practices:
- Wash hands thoroughly after handling
- Do not eat, drink, or smoke while handling
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if symptoms develop
- Skin Contact: Wash with soap and water; remove contaminated clothing
- Eye Contact: Rinse eyes thoroughly with water for at least 15 minutes; seek medical advice if irritation persists
- Ingestion: Rinse mouth; do not induce vomiting; seek medical attention if large amounts ingested
Firefighting Measures
- Fire Hazards: Non-flammable
- Extinguishing Media: Water spray, foam, dry chemical, or CO₂
- Special Precautions: Firefighters should wear protective gear and respiratory protection if needed
- Decomposition Products: May emit boron oxides and sodium oxides under extreme heat
Related products
Borax Decahydrate
Borax Decahydrate, also known as sodium tetraborate decahydrate, is a naturally occurring mineral and an important inorganic compound. It appears as colorless or white crystalline granules or powder with a salty, alkaline taste. This compound is widely used in detergents, cosmetics, glass manufacturing, agriculture, and various industrial applications due to its excellent buffering, emulsifying, and antiseptic properties. The “decahydrate” indicates that each molecule of borax contains ten water molecules bound in its crystal structure, contributing to its crystalline appearance and physical properties.
Calcium Saccharin
Calcium Saccharin is the calcium salt form of saccharin, a synthetic sweetener. It appears as a white to off-white crystalline powder with a sweet taste that is several hundred times sweeter than sucrose (table sugar). Calcium Saccharin is water-soluble and widely used as a non-nutritive sweetener in food and beverage products, pharmaceuticals, and oral care formulations. Due to its stability under heat and acidic conditions, it is ideal for baked goods and beverages. It serves as a sugar substitute for diabetic and calorie-restricted diets and is often used in combination with other sweeteners to improve taste profiles.
Caustic Soda Flakes (Sodium Hydroxide)
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Caustic Soda Pearls
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Levamisole Hcl BP2000
Levamisole Hcl BP2000 is a white to off-white crystalline powder, soluble in water, with anthelmintic and immunomodulatory properties. It is primarily used as a veterinary antiparasitic agent effective against gastrointestinal nematodes in livestock. Levamisole HCL BP2000 conforms to British Pharmacopoeia standards, ensuring high purity and quality for pharmaceutical and veterinary formulations. Beyond veterinary uses, it is also researched for immunostimulant properties in medical applications.
Sodium Disilicate
Sodium Disilicate, commonly supplied in granular or powder form, is an alkaline, water-soluble compound used widely in industrial applications. It functions primarily as a binder, adhesive, and corrosion inhibitor. Its high alkalinity and silicate content make it effective in detergents, water treatment, and cement manufacturing. Sodium Disilicate is valued for its ability to improve strength and durability of materials, as well as its effectiveness in cleaning and stabilizing processes.
Sodium Metasilicate Pentahydrate
Sodium Metasilicate Pentahydrate is a white crystalline solid containing five molecules of water of crystallization. It is widely used for its alkaline and detergent properties, making it effective in cleaning, water treatment, and as a corrosion inhibitor. The pentahydrate form is commonly preferred in detergent and industrial applications where controlled moisture content is beneficial. It dissolves readily in water, forming strongly alkaline solutions useful in various industries.
Trisodium Phosphate
Trisodium Phosphate (TSP) is an inorganic, highly alkaline compound commonly available as a white, granular or crystalline solid. It is widely used for its powerful cleaning, degreasing, buffering, and water-softening properties. TSP is a versatile compound with significant utility across food processing, detergents, industrial cleaning, water treatment, and construction industries. It also acts as a flux, pH adjuster, emulsifier, and sequestrant. Both technical and food grades are available depending on the application.
