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Monosodium phosphate information


Monosodium phosphate
Ball-and-stick model of the dihydrogenphosphate anion
  Phosphorus, P
  Oxygen, O
  Hydrogen, H
  Sodium, Na
Names
IUPAC name
Sodium dihydrogen phosphate
Other names
  • Monobasic sodium phosphate
  • Sodium biphosphate
Identifiers
CAS Number
  • 7558-80-7 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:37585 checkY
ChEMBL
  • ChEMBL1368 checkY
ChemSpider
  • 22626 checkY
ECHA InfoCard 100.028.591 Edit this at Wikidata
E number E339(i) (antioxidants, ...)
PubChem CID
  • 24204
UNII
  • KH7I04HPUU ☒N
CompTox Dashboard (EPA)
  • DTXSID7035222 Edit this at Wikidata
InChI
  • InChI=1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1 checkY
    Key: AJPJDKMHJJGVTQ-UHFFFAOYSA-M checkY
SMILES
  • [Na+].[O-]P(=O)(O)O
Properties
Chemical formula
NaH2PO4
Molar mass 119.976 g·mol−1
Appearance White powder or crystals
Density 2.36 g/cm3 (anhydrous)
Solubility in water
59.90 g/(100 mL) (0°C)
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 0: Exposure under fire conditions would offer no hazard beyond that of ordinary combustible material. E.g. sodium chlorideFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
0
0
0
Flash point Non-flammable
Related compounds
Other cations
  • Monopotassium phosphate
  • Monoammonium phosphate
Related compounds
  • Disodium phosphate
  • Trisodium phosphate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Monosodium phosphate (MSP), also known as monobasic sodium phosphate and sodium dihydrogen phosphate, is an inorganic compound with the chemical formula NaH2PO4. It is a sodium salt of phosphoric acid. It consists of sodium cations (Na+) and dihydrogen phosphate anions (H2PO4). One of many sodium phosphates, it is a common industrial chemical. The salt exists in an anhydrous form, as well as monohydrate and dihydrate (NaH2PO4·H2O and NaH2PO4·2H2O respectively).[1]

  1. ^ Schrödter, Klaus; Bettermann, Gerhard; Staffel, Thomas; Wahl, Friedrich; Klein, Thomas; Hofmann, Thomas (2008). "Phosphoric Acid and Phosphates". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a19_465.pub3. ISBN 978-3527306732.

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Monosodium phosphate

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Monosodium phosphate (MSP), also known as monobasic sodium phosphate and sodium dihydrogen phosphate, is an inorganic compound with the chemical formula...

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Sodium phosphate

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doi:10.1002/14356007.a19_465.pub3. ISBN 978-3527306732. "Monosodium Phosphate | Sodium Phosphate Formula". Archived from the original on 2015-04-02. Lampila...

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Disodium phosphate

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solution of monosodium phosphate is partially neutralized: NaH2PO4 + NaOH → Na2HPO4 + H2O It is used in conjunction with trisodium phosphate in foods and...

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Trisodium phosphate

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layer.[unreliable source?] Sodium phosphates including monosodium phosphate, disodium phosphate, and trisodium phosphate are approved as food additives in...

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Phosphate

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Diammonium phosphate - (NH4)2HPO4 Disodium phosphate – Na2HPO4 Fertilizer Hypophosphite – H 2(PO 2)− Metaphosphate – (POn 3) Monosodium phosphate – NaH2PO4...

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Monopotassium phosphate

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Monopotassium phosphate (MKP) (also, potassium dihydrogen phosphate, KDP, or monobasic potassium phosphate) is the inorganic compound with the formula...

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Acid salt

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rising throughout the baking process. Disodium phosphate, Na2HPO4, is used in foods and monosodium phosphate, NaH2PO4, is used in animal feed, toothpaste...

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Ammonium dihydrogen phosphate

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Ammonium dihydrogen phosphate (ADP), also known as monoammonium phosphate (MAP) is a chemical compound with the chemical formula (NH4)(H2PO4). ADP is...

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Pibb Xtra

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and potassium benzoate, artificial and natural flavors, caffeine, monosodium phosphate, lactic acid, polyethylene glycol. "Pibb Xtra". Pibb Xtra. Retrieved...

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Magnesium

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detected by the addition of ammonium chloride, ammonium hydroxide and monosodium phosphate to an aqueous or dilute HCl solution of the salt. The formation of...

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Fosigotifator

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lateral sclerosis (ALS). A formulation of fosigotifator, as its monosodium phosphate salt mixed with tromethamine, is known as ABBV-CLS-7262. Fosigotifator...

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Morinaga Milk arsenic poisoning incident

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inadvertently added to dried milk via the use of an industrial grade monosodium phosphate additive. This incident also led to negative health effects for thousands...

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Biphosphate

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monocalcium phosphate Potassium biphosphate is monopotassium phosphate Magnesium biphosphate is monomagnesium phosphate Sodium biphosphate is monosodium phosphate...

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Sodium chlorite

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aldehydes to carboxylic acids. The reaction is usually performed in monosodium phosphate buffered solution in the presence of a chlorine scavenger (usually...

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MSP

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near-infrared spectra of microscopic objects Monosodium phosphate, a chemical compound of sodium with a phosphate counterion MSP Groza silent pistol, a double-barreled...

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Sodium triphosphate

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produced by heating a stoichiometric mixture of disodium phosphate, Na2HPO4, and monosodium phosphate, NaH2PO4, under carefully controlled conditions. 2 Na2HPO4...

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Sodium hypophosphite

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into phosphine which is irritating to the respiratory tract and disodium phosphate. 2 NaH2PO2 → PH3 + Na2HPO4 Like other hypophosphites, sodium hypophosphite...

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Flavin mononucleotide

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closely related food dye, is riboflavin-5′-phosphate sodium salt, which consists mainly of the monosodium salt of the 5′-monophosphate ester of riboflavin...

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E number

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Sodium phosphates (i) Monosodium phosphate (ii) Disodium phosphate (iii) Trisodium phosphate antioxidant Approved in the EU. E340 Potassium phosphates (i)...

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Solubility table

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dec Sodium dichromate Na2Cr2O7 163 172 183 198 215 269 376 405 415 Monosodium phosphate NaH2PO4 56.5 69.8 86.9 107 133 172 211 234 Sodium fluoride NaF 3...

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Cyanamide

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solutions of cyanamide are stabilized by the addition of 0.5 wt% of monosodium phosphate as buffer. Solid cyanamide is produced by careful evaporation of...

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Uric acid

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painful condition resulting from needle-like crystals of uric acid termed monosodium urate crystals precipitating in joints, capillaries, skin, and other tissues...

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Actinium

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uncertain. Mixing monosodium phosphate (NaH2PO4) with a solution of actinium in hydrochloric acid yields white-colored actinium phosphate hemihydrate (AcPO4·0...

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List of vaccine excipients

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gentamicin sulfate, hydrolyzed porcine gelatin, monobasic potassium phosphate, monosodium glutamate, sucrose Japanese encephalitis vaccine (JE-Vax) Formaldehyde...

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List of foodborne illness outbreaks by death toll

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Powdered milk arsenic Japan 13,389 >600 By mistake, an industrial grade Monosodium phosphate was added to milk produced by Morinaga Milk Industry, which contained...

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Glossary of chemical formulae

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7631-90-5 NaHSO4 sodium bisulfate 7681-38-1 NaH2PO3 monosodium phosphite NaH2PO4 monosodium phosphate NaI sodium iodide 7681-82-5 NaIO sodium hypoiodite...

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List of food contamination incidents

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incident: Arsenic in milk powder in Japan. An industrial grade of monosodium phosphate additive which inadvertently contained 5–8% arsenic, was added to...

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Guanosine monophosphate

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of phosphoric acid with the nucleoside guanosine. GMP consists of the phosphate group, the pentose sugar ribose, and the nucleobase guanine; hence it...

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