Sodium dihydrogen phosphate monohydrate extra pure BP,USP, CAS No. 10049-21-5

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10049-21-5

Catalog No. EBD2203313

CAS 10049-21-5

Name Sodium dihydrogen phosphate monohydrate extra pure BP,USP

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Basic Information

Synonyms: sodiumdihydrogenphosphatemonohydrate BODphosphatebufferSOLUTIONA bufferCOLOURCODEDSOLUTIONPH7(PHOSPHATE)YELLOW bufferCOLOURCODEDCONCENTRATEDSOLUTIONPH7(PHOSPHATE)YELLOW bufferCONCENTRATE,PH7(PHOSPHATE) bufferFORBOD bufferMDB9.50 bufferPH7.0(PHOSPHATE) BUFFER,PHOSPHATE sodiumdihydrogenphosphatehydrate(1:1:1) phosphoricacid,monosodiumsalt,monohydrate sodiumphosphatehydrate Sodiumdihydrogenphosphatehydrate Phosphoricacid,monosodiumsalt,monohydrate(8CI,9CI) SodiumdihydrogenphosphatemonohydrateextrapureBP,USP phosphatebuffer monosodiumphosphatemonohydrate Sodiumphosphate,monobasicmonohydrate Dihydrogensodiumphosphatemonohydrate

Molecular Formula: H4NaO5P

Molecular Weight: 137.99

Categories: Synthetic Chemistry > Basic Synthetic Reagents > Inorganic Compounds and Metal Salts

Product Description:

Sodium dihydrogen phosphate monohydrate is an inorganic salt with the formula NaHВPOД╖HВO. It appears as white crystalline powder or granules and is highly soluble in water, forming an acidic solution. As a monobasic phosphate, it acts as a key component in buffer systems, particularly in combination with disodium phosphate to maintain stable pH ranges around 2-4. Its primary applications span across food, pharmaceutical, and industrial sectors. In the food industry, it serves as an acidity regulator, emulsifier, and nutrient supplement, commonly used in baking powders, processed cheeses, and beverages to control pH and improve texture. In pharmaceuticals, it functions as a buffering agent and isotonicity adjuster in parenteral formulations, ophthalmic solutions, and oral rehydration salts, ensuring physiological compatibility and stability of active ingredients. Additionally, it is utilized in water treatment for corrosion inhibition and in laboratory settings as a standard buffer component. The BP and USP grades ensure compliance with pharmacopoeial standards for purity and safety, mamaking it suitable for both direct human consumption and pharmaceutical manufacturing.

Physical Properties

Melting Point: 100°C -H₂O

Boiling Point: 158 °C at 760 mmHg

Density: 2,04 g/cm3

Solubility: H2O: 1 M, clear, colorless

Analytical Data

Appearance: white crystals or crystalline powder