Sodium Glycerophosphate (CAS Number: 1555-56-2) is an organophosphate compound composed of sodium, glycerol, and phosphate. It appears as a white to off-white powder and is soluble in water, making it ideal for use in various non-food industrial and scientific applications.
Chemical Identity
– Chemical Name: Sodium Glycerophosphate
– CAS Number: 1555-56-2
– Molecular Formula: C3H7Na2O6P
– Molar Mass: 216.03 g/mol
– Appearance: White to off-white crystalline powder
– Solubility: Freely soluble in water, practically insoluble in ethanol and ether
Properties and Structure
Sodium Glycerophosphate is a sodium salt of glycerophosphoric acid. The molecule consists of a glycerol backbone where a phosphate group is esterified to one of the hydroxyl groups. The sodium ions balance the negative charges on the phosphate group. This unique structure imparts stability and water solubility to the compound.
Industrial and Technical Applications
Sodium Glycerophosphate is used in a variety of non-edible, non-food applications across several industries:
1. Pharmaceutical Manufacturing
It is used as a component in the formulation of parenteral (intravenous) solutions and as a source of phosphate in compounding, especially when precise control of electrolyte balance is required.
2. Biotechnology and Cell Culture
In laboratory and biotechnological settings, Sodium Glycerophosphate serves as a phosphate donor or buffering agent in cell culture media, biochemical research, and enzyme reactions. It helps maintain pH and supports phosphate-dependent processes.
3. Analytical Chemistry
Sodium Glycerophosphate is used as a reagent or standard in analytical procedures. Its phosphate group plays a role in reactions that require phosphorus-containing reference materials or calibration solutions.
4. Cosmetics and Personal Care
The compound may be used in the formulation of cosmetic products where controlled hydration, pH balance, or mineral content is necessary. It can function as a hydrating agent or pH buffer in non-food personal care products.
Safety and Handling
– Storage: Store in a cool, dry, and well-ventilated area. Keep the container tightly closed.
– Handling Precautions: Use standard laboratory safety measures. Avoid inhalation of dust and contact with skin or eyes.
– Stability: Stable under normal storage conditions; may degrade when exposed to high temperatures or strong oxidizing agents.
Note: Always refer to the product’s Safety Data Sheet (SDS) for detailed handling and hazard information.
Summary
Sodium Glycerophosphate (CAS: 1555-56-2) is a versatile organophosphate compound valued for its water solubility, buffering capacity, and phosphate content. Used across pharmaceuticals, biotech, and cosmetic manufacturing, it offers reliable performance in applications that require phosphate stability without involving any edible or food-related uses.
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