Trisodium Orthophosphate Extra Pure
$ 16.16
Trisodium Orthophosphate Extra Pure is a high-purity, white crystalline or granular solid with the chemical formula Na₃PO₄·12H₂O (commonly in hydrated form) or Na₃PO₄ (anhydrous). It is highly soluble in water and exhibits strong alkaline properties. This extra pure grade is ideal for analytical chemistry, laboratory use, and high-precision industrial applications. Trisodium orthophosphate is commonly used as a buffering agent, emulsifier, water softener, and in chemical synthesis where strict purity standards are required.
Trisodium Orthophosphate Extra Pure
PRIMARY USES
- Analytical Reagent & Laboratory Applications
Acts as a buffering agent in analytical chemistry and biochemical experiments
• Used for pH adjustment in aqueous solutions for titrations and calibrations
• Reagent in qualitative and quantitative analysis of metal ions and phosphates
• Preparation of standard buffers for biochemical and molecular biology applications
• Cleaning agent for laboratory glassware and equipment - Water Treatment & Conditioning (Lab-scale Research)
Used in corrosion inhibition and scale prevention studies
• Simulates phosphate-based water treatment processes in research
SECONDARY USES
- Detergent and Cleaning Formulations (Controlled Lab Use)
Builder in detergent formulations for grease and oil removal
• Used in cleaning protocols for sensitive instruments and surfaces - Textile & Dyeing Research
Employed in dye fixation and fiber treatment under alkaline conditions
• Maintains pH stability during dyeing and finishing processes - Ceramic and Surface Science (R&D Scale)
Used in glaze formulation and surface modification of ceramics
• Acts as an etchant and surface activator for metals and ceramics in research
1. Basic Identification Attributes
- Chemical Name: Trisodium Orthophosphate
- CAS Number: 7601-54-9
- HS Code: 2835.11.00
- Molecular Formula: Na₃PO₄
- Synonyms: Sodium phosphate tribasic, Trisodium phosphate, TSP, Sodium orthophosphate
2. Physical & Chemical Properties
- Physical State: White granular or crystalline powder
- Odor: Odorless
- Melting Point: Approximately 75 °C (decahydrate loses water), ~1583 °C (anhydrous)
- Density: ~2.536 g/cm³ (anhydrous form)
- Solubility: Highly soluble in water (~15 g/100 mL at 25 °C)
- pH Level: Strongly alkaline (~12 in 1% aqueous solution)
- Flash Point: Not applicable
- Vapor Pressure: Not applicable
3. Safety & Hazard Attributes
- GHS Classification: Skin irritation (Category 2), Eye irritation (Category 2A)
- NFPA Ratings: Health - 2, Flammability - 0, Reactivity - 0
- Exposure Limits: No specific OSHA PEL or ACGIH TLV
- Reactivity: Stable under normal conditions; reacts with acids releasing heat
4. Storage & Handling
- Store in a dry, cool, and well-ventilated area away from acids and moisture
- Use corrosion-resistant containers such as plastic or coated metal drums
- Wear gloves, safety goggles, and avoid inhaling dust
- Shelf Life: Stable for several years if kept dry
5. Regulatory & Compliance
- Listed under REACH, TSCA, and EPA inventories
- Not classified as hazardous for transportation
- Dispose of according to local environmental regulations
6. Environmental & Health Impact
- May contribute to eutrophication if released into water bodies in excess
- Not classified as carcinogenic or mutagenic
- Inorganic compound; not biodegradable but naturally cycled in the environment
SAFETY PRECAUTIONS
- Wear chemical-resistant gloves, safety goggles, and protective clothing
- Avoid inhaling dust; use a dust mask or respirator if needed
- Handle in well-ventilated areas
- Wash thoroughly after handling
FIRST AID MEASURES
- Inhalation: Move affected person to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash skin thoroughly with soap and water; remove contaminated clothing; seek medical advice if irritation occurs
- Eye Contact: Rinse eyes with plenty of water for at least 15 minutes; seek medical attention if irritation continues
- Ingestion: Rinse mouth with water; do not induce vomiting unless instructed by medical personnel; seek medical attention if symptoms develop
FIRE FIGHTING MEASURES
- Non-flammable solid
- Use water spray, carbon dioxide, foam, or dry chemical extinguishers for surrounding fires
- May emit sodium and phosphorus oxides under extreme heat
- Firefighters should wear full protective gear and self-contained breathing apparatus
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