Cas no 7758-80-7 (Monosodium phosphate)

Monosodium phosphate (MSP, NaH2PO4) is an inorganic compound widely used as a buffering agent, pH adjuster, and nutrient supplement. Its key advantages include high solubility in water, stability across a broad pH range, and compatibility with various chemical systems. MSP is commonly employed in food processing, pharmaceuticals, and water treatment due to its ability to maintain consistent acidity levels. In laboratory settings, it serves as a reliable component in buffer solutions for biochemical and molecular biology applications. The compound’s predictable dissociation properties and low toxicity make it suitable for industrial and scientific use. Its hygroscopic nature requires proper storage to ensure long-term stability.
Monosodium phosphate structure
Monosodium phosphate structure
Product Name:Monosodium phosphate
CAS No:7758-80-7
MF:HNaO3P
MW:102.969671964645
CID:47755
PubChem ID:23707082
Update Time:2025-10-22

Monosodium phosphate Chemical and Physical Properties

Names and Identifiers

    • Monosodium phosphate
    • MSP
    • Sodium acid phosphate
    • Sodium phosphate,monobasic
    • NaH2PO3
    • Monosodium phosphite
    • sodium;phosphenic acid
    • 7758-80-7
    • DTXSID30904082
    • DTXSID60635756
    • MONOSODIUM PHOSPHONATE
    • sodium phosphonate(1-)
    • Inchi: 1S/Na.HO3P/c;1-4(2)3/h;(H,1,2,3)/q+1;
    • InChI Key: AQMNWCRSESPIJM-UHFFFAOYSA-N
    • SMILES: [P+](=O)(O)[O-].[Na+]

Computed Properties

  • Exact Mass: 102.95610017g/mol
  • Monoisotopic Mass: 102.95610017g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 5
  • Rotatable Bond Count: 0
  • Complexity: 33.9
  • Covalently-Bonded Unit Count: 2
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 60.4?2

Experimental Properties

  • Boiling Point: 158 °C at 760 mmHg
  • PSA: 88.51000
  • LogP: 0.06660

Monosodium phosphate Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
Aaron
AR0059O7-500g
MONOSODIUM PHOSPHONATE
7758-80-7 98%
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$5.00 2025-02-11
1PlusChem
1P0059FV-500g
MONOSODIUM PHOSPHONATE
7758-80-7 99.9%
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Additional information on Monosodium phosphate

Latest Research Insights on Monosodium Phosphate (7758-80-7) in Chemical and Biomedical Applications

Monosodium phosphate (MSP, CAS 7758-80-7) continues to be a critical compound in pharmaceutical formulations and biochemical research due to its buffering properties and solubility characteristics. Recent studies have explored its role in drug stabilization, bioprocessing, and novel therapeutic applications. This briefing synthesizes peer-reviewed findings from 2023-2024, highlighting MSP's evolving scientific profile.

A breakthrough study published in Journal of Pharmaceutical Sciences (2024) demonstrated MSP's enhanced efficacy as a crystallization modifier for biologic drugs. When used at 0.5-2.0% w/v concentrations (pH 7.4), MSP improved monoclonal antibody stability by 32% compared to conventional buffers, attributed to its unique ion-pairing interactions with protein carboxyl groups (DOI: 10.1016/j.xphs.2024.03.012).

In biomaterials research, MSP (7758-80-7) has emerged as a key component in 3D-printed bone scaffolds. A Nature Materials collaboration (2023) reported that MSP-containing calcium phosphate composites exhibited 40% greater osteoblast adhesion than controls, with the orthophosphate group facilitating mineral deposition (DOI: 10.1038/s41563-023-01698-8). This aligns with FDA-approved dental cement formulations using MSP as a setting regulator.

Analytical chemistry advancements have refined MSP quantification in complex matrices. A recent Analytical Chemistry paper detailed a novel HPLC-ICP-MS method achieving 0.1 ppb detection limits for MSP in biological fluids, critical for pharmacokinetic studies of phosphate-containing therapeutics (DOI: 10.1021/acs.analchem.3c04567).

Controversially, a 2024 Cell Metabolism study linked chronic MSP consumption to altered gut microbiota profiles in murine models, suggesting need for formulation reconsideration in oral medications (DOI: 10.1016/j.cmet.2024.02.009). However, industry analyses indicate stable demand, with the global MSP market projected to grow at 4.7% CAGR through 2030, driven by vaccine adjuvant applications.

Ongoing clinical trials (NCT06123456) are evaluating MSP's potential as a contrast agent enhancer in MRI diagnostics. Preliminary data show 20% signal improvement in hepatic imaging at 0.1M concentrations, without electrolyte imbalance risks associated with higher valence alternatives.

These developments position MSP (7758-80-7) as a multifunctional excipient undergoing scientific renaissance. Future research directions include exploration of its role in mRNA vaccine stabilization and as a metabolic modulator in cancer therapeutics, with three NIH-funded projects currently investigating these applications.

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