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Lab Pro Sodium Phosphate, Dibasic, ACS - 100g

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SKU: ZS0715-100
California prop 65
Description
  • Chemical Name
    Sodium Phosphate, Dibasic
  • Grade
    ACS Reagent
  • Form
    Solid
  • Color
    White
  • Linear Formula
    Na₂HPO₄

Description

What is Lab Pro Sodium Phosphate, Dibasic?

Lab Pro Sodium Phosphate, Dibasic is an ACS reagent grade inorganic phosphate supplied as a white solid. It is commonly used in laboratory applications, particularly in conjunction with sodium phosphate monobasic, for the preparation of biological and analytical buffer solutions.

The compound is water soluble and exhibits a pH range of approximately 8.7–9.3 in aqueous solution, making it suitable for controlled buffer systems and biochemical research workflows.

Key Features

  • Sodium phosphate, dibasic
  • ACS reagent grade
  • White solid form
  • Water soluble
  • Suitable for buffer preparation and laboratory use

Applications

  • Preparation of biological buffer solutions
  • Used with sodium phosphate monobasic for pH adjustment
  • Laboratory and research applications
  • Crosslinking and formulation studies
  • Pharmaceutical and biochemical research

Packaging & Storage

  • Quantity: 100 g
  • Shipped: Ambient

Grade & Reference

  • Grade: ACS Reagent
  • Reference: Merck Index 14, 8659

Standards and Certifications

  • Lab Pro CofA
  • Lab Pro SDS
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Chemical Information

Chemical Name Sodium phosphate, dibasic
Linear Formula Na₂HPO₄
CAS Number 7558-79-4
Molecular Weight 141.96 g/mol
MDL Number MFCD00003496
UNSPSC Code 12161705
NACRES NA.25

Structure Identifiers

SMILES [Na+].[Na+].[H]OP([O-])([O-])=O
InChI 1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
InChI Key BNIILDVGGAEEIG-UHFFFAOYSA-L

Physical Properties

Form Solid
Color White
Solubility Soluble in water
pH (aqueous) 8.7–9.3
pKa (25 °C) 2.15 / 6.82 / 12.38

Purity & Impurities

Insoluble Material ≤0.01%
Heavy Metals ≤0.001%


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FAQs

What is Lab Pro Sodium Phosphate, Dibasic commonly used for?

It is primarily used to prepare buffer solutions in laboratory, biological, and analytical applications. It is often combined with sodium phosphate monobasic to achieve precise pH control in biochemical and pharmaceutical research workflows.

What pH range does sodium phosphate, dibasic provide in solution?

In aqueous solution, sodium phosphate dibasic typically provides a mildly basic pH range of approximately 8.7 to 9.3, making it suitable for buffering systems that require alkaline conditions.

Is this product suitable for analytical and regulated laboratory use?

Yes. This material meets ACS reagent grade specifications, ensuring controlled purity and low impurity levels suitable for analytical chemistry, research, and quality-controlled laboratory environments.

Is sodium phosphate, dibasic, soluble in water?

Yes. Sodium phosphate dibasic is readily soluble in water, allowing easy preparation of buffer solutions and aqueous formulations for laboratory and research applications.

How should Lab Pro Sodium Phosphate, Dibasic be stored?

It should be stored in a dry, desiccated environment at 10–30 °C. The product may be frozen if needed, but moisture exposure should be avoided to maintain quality.