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Sodium Phosphate
Sodium Phosphate (Product Code: SCI-521/225) is an analytical reagent grade sodium salt of phosphoric acid used for phosphate ion tests, precipitation reactions and buffer work in school, college and biology laboratories. It comes in a 100 g pack with an MSDS; because several sodium phosphates exist, confirm the exact salt and hydrate when you enquire. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Grade | Analytical reagent |
| Pack size | 100 g |
| Salt and hydrate form | Not stated in the listing; ask us which sodium phosphate is supplied |
| 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-521/225 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Sodium Phosphate Used For?
In qualitative analysis, sodium phosphate supplies phosphate ions for classroom tests. Warmed with ammonium molybdate in nitric acid, its solution gives a canary-yellow precipitate, and added to calcium chloride solution it forms insoluble calcium phosphate, the mineral of bones and teeth. These reactions make it a handy reagent for lessons on precipitation, on the phosphate group and on the chemistry behind phosphate fertilisers.
Sodium phosphates are also combined in phosphate buffers for biology and biochemistry practicals, and the trisodium salt is a traditional cleaning and degreasing agent that shows how alkaline salts behave in water. Because the listing does not name the specific salt, check your practical manual first, since mono-, di- and trisodium phosphate behave differently, and tell us which one it calls for. Wear gloves and goggles, especially with the strongly alkaline trisodium salt.
Supplier
As a lab chemicals supplier in India, Jain Scientific Equipments Private Limited (trading as ScienceLab, Ambala, Haryana) provides Sodium Phosphate alongside the related phosphate salts listed below, so a department can compare and order them together. Visit the ScienceLab profile page to learn more about the company.
Related Laboratory Equipment
Phosphate tests and precipitation work with Sodium Phosphate often involve:
- Ammonium Molybdate — reagent for the yellow confirmatory test for phosphate.
- Calcium Chloride 200g — precipitates calcium phosphate from the solution.
- Calcium Phosphate — the insoluble product, useful for comparing solubility.
- Sodium Dihydrogen Phosphate — the acidic phosphate salt called for by some buffer recipes.
- Sodium Hydrogen Phosphate — the disodium salt, often paired with the dihydrogen salt in buffers.
Find more salts in the Laboratory Equipment category.
Frequently Asked Questions
Which sodium phosphate is supplied under this listing?
The Sodium Phosphate listing (SCI-521/225) names the salt generally and does not state whether it is mono-, di- or trisodium phosphate or which hydrate. Tell us which form your practical requires and we will confirm what can be supplied in the 100 g analytical reagent pack.
How is Sodium Phosphate used to test for phosphate ions?
A solution of Sodium Phosphate warmed with ammonium molybdate and nitric acid gives a yellow precipitate of ammonium phosphomolybdate, confirming phosphate. Mixing it with calcium or barium chloride solutions also gives white phosphate precipitates, which are useful in precipitation lessons.
Can Sodium Phosphate be used to make a buffer?
Yes. Sodium phosphates are standard ingredients of phosphate buffers for biology and biochemistry practicals, usually by mixing the dihydrogen and hydrogen salts. The right proportions depend on the target pH, so follow your method and confirm which Sodium Phosphate form you are buying.
What is the shelf life of Sodium Phosphate?
Shelf life depends on the chemical, its grade and storage conditions, so no fixed period is quoted for Sodium Phosphate. Ask us for the expiry date of the batch you are quoted, and keep the container tightly closed because hydrated phosphates can gain or lose water in air.
Who supplies Sodium Phosphate and to which markets?
Sodium Phosphate is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, Haryana, to schools, colleges, research laboratories and dealers in India and international markets. Send the required form, number of 100 g packs and destination to receive a quotation.
Request a Quote
To get a Sodium Phosphate quotation, state which sodium phosphate your method needs, how many 100 g packs to send and the delivery location on our contact page. You can also add it to the enquiry cart with the other phosphate salts you plan to compare.
Last updated: 24 September 2026
