Sodium Glycerophosphate (CAS: 1555-56-2): Properties, Applications, and Handling
Overview
Sodium Glycerophosphate (CAS Number: 1555-56-2) is an organophosphate compound comprised of glycerol and phosphate groups, bound with sodium ions. Known for its water solubility and stability, this compound is widely used in industrial and laboratory settings due to its buffering capacity, compatibility with aqueous systems, and chelating properties.
Chemical Information
– IUPAC Name: Sodium 3-(phosphonooxy)propane-1,2-diol
– Molecular Formula: C3H7Na2O6P
– Molecular Weight: 216.04 g/mol
– CAS Number: 1555-56-2
– Appearance: White or off-white crystalline powder
– Solubility: Freely soluble in water; practically insoluble in alcohol and organic solvents
– pH (aqueous solution): Slightly alkaline
Physical and Chemical Properties
– Hygroscopic in nature
– Stable under normal temperature and pressure
– Non-volatile and non-flammable
– Exhibits good compatibility with water-based formulations
Industrial Applications
1. Pharmaceutical and Biotech Manufacturing
– Used as a buffering agent in laboratory and pharmaceutical formulations.
– Often utilized in parenteral preparations and laboratory research for its isotonicity and pH control properties.
2. Cosmetic and Personal Care
– Acts as a pH adjuster and humectant in formulations such as skin creams, lotions, and serums.
– Its compatibility with biological systems makes it suitable for sensitive skin applications.
3. Laboratory Reagents
– Employed in chemical assays and analytical methods requiring phosphate-based buffering.
– Suitable for biochemical experiments and in vitro diagnostics that require stable, non-reactive phosphate sources.
4. Water Treatment and Industrial Processes
– Functions as a phosphate donor in various industrial water treatment applications.
– Can be used in formulations where phosphate buffering or chelation is required to control mineral scaling or corrosion.
Storage and Handling
– Store in a tightly sealed container in a cool, dry, well-ventilated area.
– Avoid exposure to moisture and extreme heat.
– Use appropriate personal protective equipment (PPE) such as gloves, goggles, and lab coats when handling.
– Follow standard hygiene practices and dispose of according to local regulations.
Safety and Stability
– Non-combustible and chemically stable under recommended storage conditions.
– Avoid inhalation and contact with eyes or skin; use in well-ventilated areas.
– Not classified as hazardous under normal conditions of use but should be handled with care.
Conclusion
Sodium Glycerophosphate (CAS 1555-56-2) is a multifunctional compound valued for its solubility, buffering capacity, and compatibility with a wide range of applications. Whether used in laboratory environments, industrial processes, or cosmetic formulations, it offers versatility, reliability, and performance in aqueous systems.
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