Cas no 10039-32-4 (Phosphoric acid disodium dodecahydrate)

Phosphoric acid disodium dodecahydrate (Na?HPO?·12H?O) is a hydrated sodium phosphate salt widely used in analytical chemistry, buffer solutions, and industrial applications. Its high solubility in water and stable crystalline structure make it a reliable reagent for pH regulation and metal ion sequestration. The dodecahydrate form ensures consistent hydration, enhancing its utility in precise laboratory preparations. It serves as an effective buffering agent in biochemical and microbiological processes due to its ability to maintain stable pH levels. Additionally, its purity and predictable reactivity support its use in food additives, detergents, and water treatment formulations. The compound’s well-defined properties ensure reproducibility in scientific and industrial applications.
Phosphoric acid disodium dodecahydrate structure
10039-32-4 structure
Product Name:Phosphoric acid disodium dodecahydrate
CAS No:10039-32-4
MF:Na2HPO4.12H2O
MW:358.142205953598
MDL:MFCD00149181
CID:48330
PubChem ID:57652330
Update Time:2025-10-21

Phosphoric acid disodium dodecahydrate Chemical and Physical Properties

Names and Identifiers

    • Disodium phosphate dodecahydrate
    • DSP
    • DI-SODIUM HYDROGEN ORTHOPHOSPHATE DODECAHYDRATE
    • DI-SODIUM HYDROGEN ORTHOPHOSPHATE 12H2O
    • DI-SODIUM HYDROGEN ORTHOPHOSPHATE 12-HYDRATE
    • DI-SODIUM HYDROGEN PHOSPHATE DODECAHYDRATE
    • DI-SODIUM HYDROGEN PHOSPHATE 12H20
    • DI-SODIUM HYDROGEN PHOSPHATE-12-H2O
    • DI-SODIUM HYDROGEN PHOSPHATE-12-HYDRATE
    • Sodium phosphate dibasic dodecahydrate
    • Sodiumphosphate-dibasic
    • DI-SODIUM HYDROGEN PHOSPHATE
    • disodium,hydrogen phosphate,dodecahydrate
    • Sodium phosphate
    • Sodium Phosphate Dibasic
    • SodiuM Phosphate Dibasic Dodecahydrate Extra Pure
    • DISODIUM PHOSPHATE (DSP)
    • DISODIUM HYDROGEN PHOSPHATE
    • di-Sodiumhydrogenphosphate,d
    • SodiumPhosphateDibasic12H2OAr
    • SodiumPhosphateDibasic12H2OBp
    • SodiumPhosphateDibasic12H2OIp
    • SODIUM MONOHYDROGEN PHOSPHATE
    • SODIUM PHOSPHATE DIBASIC 12H2O
    • DINATRII PHOSPHAS DODECAHYDRICUS
    • Disodium hydrogen phosphate dodecahydrate
    • Phosphoric acid, disodium salt, dodecahydrate
    • Sodium hydrogenphosphate dodecahydrate
    • Sodium phosphate, dibasic, dodecahydrate
    • Disodium orthophosphate, dodecahydrate
    • Sodium monohydrogen phosphate dodecahydrate (2:1:1:12)
    • E1W4N241FO
    • sodium hydrogen phosphate dodecahydrate
    • disodium hydrogenphosphate dodecahydrate
    • Sodi
    • Dibasic Sodium Phosphate
    • Phosphoric acid disodium dodecahydrate
    • Q27163167
    • D06389
    • SODIUM PHOSPHATE, DIBASIC, DODECAHYDRATE [II]
    • DISODIUM PHOSPHATE (NA2HPO4) DODECAHYDRATE
    • Sodium monohydrogen phosphate dodecahydrate
    • DTXSID4064923
    • DIBASIC SODIUM PHOSPHATE HYDRATE [JAN]
    • DIBASIC SODIUM PHOSPHATE, DODECAHYDRATE
    • CHEBI:91259
    • DIBASIC SODIUM PHOSPHATE HYDRATE
    • SODIUM PHOSPHATE (NA2HPO4) DODECAHYDRATE
    • Disodiumphosphatedodecahydrate
    • J-000126
    • dibasic dodecahydratesodium phosphate
    • Dibasic sodium phosphate hydrate (JP17)
    • Disodium hydrogen phosphate, dodecahydrate
    • 10039-32-4
    • disodium phosphate 12 hydrate
    • MONOHYDROGEN DISODIUM PHOSPHATE DODECAHYDRATE
    • DISODIUM PHOSPHATE DODECAHYDRATE (NA2HPO4.12H2O)
    • disodium;hydrogen phosphate;dodecahydrate
    • AKOS015950614
    • Phosphoric acid, disodiumsalt, dodecahydrate
    • MFCD00149181
    • DISODIUM PHOSPHATE DODECAHYDRATE [EP IMPURITY]
    • NS00134286
    • MONOSODIUM PHOSPHATE DODECAHYDRATE
    • DISODIUM PHOSPHATE (NA2HPO4.12H2O)
    • SODIUM PHOSPHATE, DIBASIC DODECAHYDRATE
    • SODIUM PHOSPHATE, DIBASIC DODECAHYDRATE [MI]
    • DGLRDKLJZLEJCY-UHFFFAOYSA-L
    • UNII-E1W4N241FO
    • DISODIUM HYDROGEN ORTHOPHOSPHATE DODECAHYDRATE
    • sodium hydrogen phosphate--water (1/12)
    • SODIUM PHOSPHATE DIBASIC DODECAHYDRATE [WHO-DD]
    • DISODIUM PHOSPHATE DODECAHYDRATE [EP MONOGRAPH]
    • FT-0625318
    • DISODIUM DODECAHYDRATE HYDROGEN PHOSPHATE
    • DTXCID5032523
    • DISODIUM PHOSPHATE DODECAHYDRATE (EP MONOGRAPH)
    • DISODIUM PHOSPHATE DODECAHYDRATE (EP IMPURITY)
    • Sodium phosphate dibasic dodecahydrate, USP NF BP EP grade
    • FS157265
    • SODIUM PHOSPHATE, DIBASIC, DODECAHYDRATE (II)
    • MDL: MFCD00149181
    • Inchi: 1S/2Na.H3O4P.12H2O/c;;1-5(2,3)4;;;;;;;;;;;;/h;;(H3,1,2,3,4);12*1H2/q2*+1;;;;;;;;;;;;;/p-2
    • InChI Key: DGLRDKLJZLEJCY-UHFFFAOYSA-L
    • SMILES: P(=O)([O-])([O-])O.[Na+].[Na+].O.O.O.O.O.O.O.O.O.O.O.O

Computed Properties

  • Exact Mass: 358.06800
  • Monoisotopic Mass: 358.068
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 13
  • Hydrogen Bond Acceptor Count: 16
  • Heavy Atom Count: 19
  • Rotatable Bond Count: 0
  • Complexity: 46.5
  • Covalently-Bonded Unit Count: 15
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: nothing
  • Topological Polar Surface Area: 95.4

Experimental Properties

  • Color/Form: Colorless monoclinic crystals or white powder. Exposed in the air at room temperature, it is easy to lose 5 molecules of water and become heptahydrate
  • Density: 1,52 g/cm3
  • Melting Point: 35 oC
  • Boiling Point: No data available
  • Flash Point: No data available
  • Refractive Index: 1.429
  • PH: 9.0-9.3 (25℃, 50mg/mL in H2O)
  • Solubility: H2O: 0.1?M at?20?°C, clear, colorless
  • Water Partition Coefficient: 218 g/L (20 oC)
  • PSA: 203.99000
  • LogP: -0.82380
  • Sensitiveness: Sensitive to humidity
  • Solubility: Soluble in water 218 g/l (20 o C), insoluble in ethanol. The aqueous solution is alkaline.
  • Vapor Pressure: No data available

Phosphoric acid disodium dodecahydrate Security Information

Phosphoric acid disodium dodecahydrate Customs Data

  • HS CODE:2835220000
  • Customs Data:

    China Customs Code:

    2835220000

Phosphoric acid disodium dodecahydrate Pricemore >>

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Phosphoric acid disodium dodecahydrate Suppliers

Amadis Chemical Company Limited
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(CAS:10039-32-4)Phosphoric acid disodium dodecahydrate
Order Number:A1199836
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Quantity:2500g/6*1000g/6*2500g/25000g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 02:40
Price ($):162.0/331.0/816.0/761.0
Jiangsu Kolod Food Ingredients Co.,ltd
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(CAS:10039-32-4)Disodium phosphate
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Purity:99%
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Suzhou Senfeida Chemical Co., Ltd
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(CAS:10039-32-4)Sodium phosphate dibasic dodecahydrate
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Tiancheng Chemical (Jiangsu) Co., Ltd
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(CAS:10039-32-4)Sodium phosphate dibasic dodecahydrate
Order Number:LE7192;LE1762583;LE19299
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Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 11:50
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Phosphoric acid disodium dodecahydrate Spectrogram

1H NMR 300 MHz DMSO
1H NMR

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Additional information on Phosphoric acid disodium dodecahydrate

Phosphoric acid disodium dodecahydrate (CAS No. 10039-32-4): Applications and Recent Research Developments

Phosphoric acid disodium dodecahydrate, with the chemical formula Na?HPO?·12H?O, is a widely utilized compound in various industries due to its versatile properties. This introduction provides an in-depth exploration of its applications, chemical characteristics, and the latest research findings that highlight its significance in modern science and industry.

The compound is a hydrated salt of phosphoric acid, featuring a high water content that contributes to its solubility and reactivity. Its molecular structure, characterized by the presence of twelve water molecules per formula unit, makes it an excellent source of phosphate ions in aqueous solutions. This property is particularly valuable in biochemical and pharmaceutical applications where precise control over phosphate concentrations is essential.

CAS No. 10039-32-4 identifies this compound as a specific chemical entity, ensuring consistency and accuracy in its use across different scientific disciplines. The notation adheres to the International Union of Pure and Applied Chemistry (IUPAC) standards, which are universally recognized in the chemical community. This standardization facilitates seamless communication and collaboration among researchers and industry professionals.

In the realm of pharmaceuticals, Phosphoric acid disodium dodecahydrate plays a crucial role as a buffering agent. Its ability to maintain pH stability in solutions is leveraged in the formulation of medications and biological assays. For instance, it is commonly used in enzyme-linked immunosorbent assays (ELISAs) to create optimal conditions for antibody-antigen interactions. Recent studies have demonstrated its efficacy in enhancing the sensitivity and specificity of diagnostic tests, thereby improving patient care outcomes.

The compound's applications extend to the food and beverage industry, where it serves as a flavor enhancer and nutrient supplement. Its phosphate content is beneficial for preserving freshness and enhancing nutritional value in processed foods. Additionally, it is employed in the production of soft drinks as a pH adjuster, contributing to the desired taste profile and stability.

In agricultural science, Phosphoric acid disodium dodecahydrate is utilized as a fertilizer component due to its phosphorus content, which is essential for plant growth. Research has shown that it can improve soil fertility and enhance crop yields when used appropriately. Furthermore, its role in nutrient cycling has been explored in sustainable agriculture practices, aligning with global efforts to promote environmentally friendly farming methods.

The chemical properties of this compound make it a valuable asset in industrial processes as well. It is used in metal treatment applications, such as descaling and passivation, where its chelating properties help remove oxides and scale from metal surfaces. This process enhances the corrosion resistance of metals, extending their lifespan in various industrial settings.

Recent advancements in nanotechnology have also highlighted the potential of Phosphoric acid disodium dodecahydrate as a precursor for synthesizing nanostructured materials. Studies have investigated its use in creating nanoapatites, which have implications for bone regeneration and dental materials. The ability to manipulate its crystalline structure at the nanoscale opens new avenues for biomedical applications.

The environmental impact of using Phosphoric acid disodium dodecahydrate has been another area of focus in recent research. Investigations have examined its biodegradability and potential ecological effects when released into water systems. Findings suggest that when used within recommended concentrations, it poses minimal risk to aquatic life. However, ongoing studies aim to further optimize its environmental footprint through innovative application strategies.

The compound's role in energy storage systems has also garnered attention. Researchers are exploring its potential as an electrolyte component in sodium-ion batteries due to its stability and ionic conductivity properties. This research could lead to more efficient energy storage solutions, contributing to the transition towards renewable energy sources.

In conclusion, Phosphoric acid disodium dodecahydrate (CAS No. 10039-32-4) is a multifaceted compound with broad applications across multiple industries. Its unique chemical properties make it indispensable in pharmaceuticals, agriculture, food processing, industrial manufacturing, and emerging fields like nanotechnology and energy storage. The latest research continues to uncover new possibilities for its use, reinforcing its importance in advancing scientific knowledge and industrial innovation.

Recommended suppliers
Amadis Chemical Company Limited
(CAS:10039-32-4)Phosphoric acid disodium dodecahydrate
A1199836
Purity:99%/99%/99%/99%
Quantity:2500g/6*1000g/6*2500g/25000g
Price ($):162.0/331.0/816.0/761.0
Email
Jiangsu Kolod Food Ingredients Co.,ltd
(CAS:10039-32-4)Disodium phosphate
KLD006
Purity:99%
Quantity:food grade
Price ($):Inquiry
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