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Sodium Hydrogen Phosphate
Sodium Hydrogen Phosphate (Product Code: SCI-527/228) is disodium hydrogen phosphate, an analytical reagent grade salt used to prepare phosphate buffer solutions for biology, biochemistry and chemistry practicals in colleges and schools. It is supplied as a 100 g pack with an MSDS and pairs with sodium dihydrogen phosphate to hold a solution near neutral pH. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Chemical identity | Disodium hydrogen phosphate, Na2HPO4 |
| Hydrate form | Not stated in the listing; ask us whether anhydrous or hydrated salt is supplied |
| Grade | Analytical reagent |
| Pack size | 100 g |
| MSDS | Supplied with the pack |
| Shelf life | Shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted. |
| Product code | SCI-527/228 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Sodium Hydrogen Phosphate Used For?
Mixing solutions of disodium hydrogen phosphate and sodium dihydrogen phosphate in different ratios gives phosphate buffers across the near-neutral range in which many enzymes work. Students use these buffers to study how pH affects catalase or amylase activity and to keep cells and tissue samples in stable conditions during observation. Making pH buffer solution in the lab this way lets an Indian college prepare exactly the volume and pH each practical needs.
In chemistry lessons, its solution is mildly alkaline, which students can confirm with universal indicator paper or a pH meter, making it a neat example of salt hydrolysis. It also supplies hydrogen phosphate ions for precipitation and confirmatory tests. The salt is of low hazard but can irritate the eyes, so wear goggles, weigh it in a clean weighing boat and keep the container tightly closed, because some forms gain or lose water of crystallisation in air.
Supplier
Jain Scientific Equipments Private Limited, the company behind the ScienceLab name in Ambala, Haryana, supplies Sodium Hydrogen Phosphate to biology and chemistry departments that need buffer salts together with pH meters and volumetric glassware. More about the company is on the ScienceLab profile page.
Related Laboratory Equipment
Preparing phosphate buffers from Sodium Hydrogen Phosphate is easier with:
- Sodium Dihydrogen Phosphate — the partner salt for making phosphate buffers.
- PH Meter 0-14 — checks the pH of each buffer as it is adjusted.
- Volumetric Flask — makes up buffer solutions to an exact final volume.
- Plastic Weighing Boats — for weighing the salt cleanly on the balance.
- Sodium Phosphate — a general sodium phosphate listing for phosphate ion tests.
Other buffer salts and reagents are in the Laboratory Equipment category.
Frequently Asked Questions
What is Sodium Hydrogen Phosphate?
Sodium Hydrogen Phosphate is disodium hydrogen phosphate, Na2HPO4, a sodium salt of phosphoric acid. Listing SCI-527/228 is analytical reagent grade in a 100 g pack with MSDS; the hydrate form is not stated, so ask us to confirm it for your buffer recipe.
How is Sodium Hydrogen Phosphate used to make a phosphate buffer?
Sodium Hydrogen Phosphate is dissolved together with sodium dihydrogen phosphate in set proportions; more hydrogen phosphate gives a slightly higher pH and more dihydrogen phosphate a lower one. Check the finished buffer with a pH meter and adjust it before use.
Why does the hydrate form of Sodium Hydrogen Phosphate matter?
Hydrated forms of Sodium Hydrogen Phosphate contain water of crystallisation, so more grams are needed for a given concentration than with the anhydrous salt. Always use the molar mass printed on your container when calculating a buffer, and tell us which form your method specifies.
Is a Sodium Hydrogen Phosphate solution acidic or alkaline?
A solution of Sodium Hydrogen Phosphate is mildly alkaline, because the hydrogen phosphate ion accepts protons from water more readily than it donates them. Students can check this with universal indicator paper or a pH meter as an example of salt hydrolysis.
What is the shelf life of Sodium Hydrogen Phosphate?
Shelf life depends on the chemical, its grade and storage conditions, so no fixed period is quoted for Sodium Hydrogen Phosphate. Ask us for the expiry date of the batch you are quoted, and store the pack sealed in a dry cabinet at room temperature.
Who supplies Sodium Hydrogen Phosphate?
Sodium Hydrogen Phosphate is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, to colleges, schools, research laboratories and dealers in India and international markets. Send the number of 100 g packs and the hydrate form you need to receive a quotation.
Request a Quote
For a Sodium Hydrogen Phosphate quotation, give the number of 100 g packs, the preferred hydrate form and your delivery address on our contact page, or add it to the enquiry cart together with sodium dihydrogen phosphate and a pH meter for your buffer practicals.
Last updated: 24 September 2026
