Dihydrogen monosodium phosphate | CAS No. 7558-80-7

Q: What is Dihydrogen monosodium phosphate (CAS: 7558-80-7)?

Dihydrogen monosodium phosphate (CAS: 7558-80-7) is a sodium salt of phosphoric acid with the chemical formula NaH2PO4. It appears as a white, crystalline powder and is highly soluble in water. This compound is acidic in nature, with a pH level around 4.5, and functions as a buffer. Commonly used in food, pharmaceuticals, and industrial applications, it plays a key role in stabilizing chemical reactions and adjusting pH levels. Its properties make it a valuable component in various formulations requiring controlled acidity.

Q: What are the main uses of Dihydrogen monosodium phosphate (CAS: 7558-80-7)?

Dihydrogen monosodium phosphate (CAS: 7558-80-7) is widely used in the pharmaceutical industry as a buffering agent and in drug formulations. In food, it serves as an acidulant and leavening agent, enhancing taste and texture. Industrially, it is employed in chemical synthesis and as a component in detergents and cleaning products. Researchers use it for pH regulation in experiments. Its versatility in applications makes it a critical compound in multiple sectors, including agriculture and manufacturing.

Q: Is Dihydrogen monosodium phosphate (CAS: 7558-80-7) safe?

Dihydrogen monosodium phosphate (CAS: 7558-80-7) is generally safe when handled properly. It has low toxicity but may cause eye or skin irritation upon contact. Inhalation of dust should be avoided. Safety standards recommend using personal protective equipment (PPE) like gloves and goggles during handling. It is approved for use in food and pharmaceuticals, adhering to regulatory guidelines. Proper ventilation and storage are essential to ensure safe usage and minimize risks.

Q: How should Dihydrogen monosodium phosphate (CAS: 7558-80-7) be stored?

Dihydrogen monosodium phosphate (CAS: 7558-80-7) should be stored in a cool, dry place, away from moisture and light. Keep it in airtight containers to prevent hydration and maintain stability. The ideal storage temperature is 20-25°C, with humidity levels below 60%. Avoid exposure to incompatible substances. Proper storage ensures longevity and safety, preventing degradation or contamination in industrial, food, or research settings.

Dihydrogen monosodium phosphate

Basic Information

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CAS Number

7558-80-7

Molecular Formula

H2NaO4P

Molecular Weight

119.98 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Agricultural Chemicals Pesticides Insecticides

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

<0°C

Boiling Point

100°C

Density

1.40 g/mL at 20 °C

Water Solubility

Soluble in water. Insoluble in alcohol,ether and chloroform.

Solubility

H2O: 5 M, clear, colorless

SMILES

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[O-]P(=O)(O)O.[Na+]

InChI

1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

InChIKey

AJPJDKMHJJGVTQ-UHFFFAOYSA-M

LogP

-0.49040

pKa

(1) 2.15, (2) 6.82, (3) 12.38 (at 25℃)

Complexity

61.9

Safety Information

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GHS Hazard Pictograms

H319

Hazard Statement

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Stability

Stable. Incompatible with heavy metals, strong acids.

Sensitiveness

Hygroscopic

Synonyms & References

English

sodium dihydrogen phosphate anhydrous
MSP
Sodium dihydrogen phosphate
Sodium phosphate, monobasic
sodium dihydrogenorthophosphate
Monosodium Phosphate
Monosodium Phosphate Dihydrate
SODIUM DIHYDROGEN PHOSPHATE-16O4
acidsodiumphosphate
monosodiumdihydrogenorthophosphate
monosodiumhydrogenphosphate
monosodiumphosphate(sodiumdihydrogenphosphate)
monosorbxp-4
phosphatemonobasiquedesodium
monopotassium phosphate anhydrous
Sodium dihydngen phoshate anhydrous
Sodium dihydrogen orthoporthohosphate
Sodium phosphate
Sodium phosphate monobasic, anhydrous
sodium dihydrgen phosphate
USP
Monosodium dihydrogen phosphate
Monosodium dihydrogen orthophosphate
Sodium phosphate monobasic
Sodium acid phosphate
Sodium phosphate monobasic anhydrous
Monosodium orthophosphate
sodium dihydrogenphosphate
Monobasic sodium phosphate
Monosorb XP-4
Acid sodium phosphate

MDL Number

MFCD00003527

Customs Code

2835220000

FAQ

What is Dihydrogen monosodium phosphate (CAS: 7558-80-7)?

Dihydrogen monosodium phosphate (CAS: 7558-80-7) is a sodium salt of phosphoric acid with the chemical formula NaH2PO4. It appears as a white, crystalline powder and is highly soluble in water. This compound is acidic in nature, with a pH level around 4.5, and functions as a buffer. Commonly used in food, pharmaceuticals, and industrial applications, it plays a key role in stabilizing chemical reactions and adjusting pH levels. Its properties make it a valuable component in various formulations requiring controlled acidity.

What are the main uses of Dihydrogen monosodium phosphate (CAS: 7558-80-7)?

Dihydrogen monosodium phosphate (CAS: 7558-80-7) is widely used in the pharmaceutical industry as a buffering agent and in drug formulations. In food, it serves as an acidulant and leavening agent, enhancing taste and texture. Industrially, it is employed in chemical synthesis and as a component in detergents and cleaning products. Researchers use it for pH regulation in experiments. Its versatility in applications makes it a critical compound in multiple sectors, including agriculture and manufacturing.

Is Dihydrogen monosodium phosphate (CAS: 7558-80-7) safe?

Dihydrogen monosodium phosphate (CAS: 7558-80-7) is generally safe when handled properly. It has low toxicity but may cause eye or skin irritation upon contact. Inhalation of dust should be avoided. Safety standards recommend using personal protective equipment (PPE) like gloves and goggles during handling. It is approved for use in food and pharmaceuticals, adhering to regulatory guidelines. Proper ventilation and storage are essential to ensure safe usage and minimize risks.

How should Dihydrogen monosodium phosphate (CAS: 7558-80-7) be stored?

Dihydrogen monosodium phosphate (CAS: 7558-80-7) should be stored in a cool, dry place, away from moisture and light. Keep it in airtight containers to prevent hydration and maintain stability. The ideal storage temperature is 20-25°C, with humidity levels below 60%. Avoid exposure to incompatible substances. Proper storage ensures longevity and safety, preventing degradation or contamination in industrial, food, or research settings.