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Phosphorus Oxide (V)
Phosphorus Oxide (V) (Product Code: SCI-673/295) is analytical reagent grade phosphorus(V) oxide, commonly called phosphorus pentoxide, a white solid used as a powerful drying and dehydrating agent and as the classic acidic oxide in chemistry labs. It is listed in a 100 g pack and supplied with an MSDS for safe handling. It is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, to college, school and testing laboratories.
Specifications
| Parameter | Detail |
|---|---|
| Chemical | Phosphorus(V) oxide (phosphorus pentoxide), P4O10 |
| Grade | Analytical reagent |
| Capacity | 100 g |
| Safety data | MSDS supplied |
| 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-673/295 |
| Supplied by | Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India |
What Is Phosphorus Pentoxide Used For?
Phosphorus pentoxide absorbs water more strongly than most common drying agents, so a dish of it in a vacuum desiccator keeps samples and weighing bottles very dry, and organic chemists use it to remove water from compounds, for example when converting amides to nitriles. It reacts with the water it takes up to form phosphoric acid, so its drying power is gradually used up as a sticky acid layer forms on the surface.
In teacher demonstrations, a very small amount added carefully to water gives a strongly acidic solution that turns universal indicator red, making it the standard example of a non-metal forming an acidic oxide. The reaction with water is violent and releases heat, and the powder causes severe burns, so weigh it quickly in a dry area, wear goggles and gloves, and never add water to the solid.
What to Specify When Ordering
- The number of 100 g packs required.
- Whether a vacuum desiccator or other drying apparatus should be quoted with it.
- The delivery destination, as corrosive, water-reactive chemicals are subject to transport restrictions.
- The vendor-registration details or tender format your institution needs.
Supplier
ScienceLab, the trading name of Jain Scientific Equipments Private Limited in Ambala, Haryana, sources Phosphorus Oxide (V) for chemistry departments and testing laboratories and ships each pack with its MSDS. For vendor registration, the supplying company is Jain Scientific Equipments Private Limited (CIN U29309HR2020PTC087597, GSTIN 06AAECJ8618A1ZT). See the company profile for more background.
Related Laboratory Equipment
Apparatus and reagents used with phosphorus pentoxide:
- Vacuum Desiccator — holds the drying agent to keep samples moisture-free.
- Phosphoric Acid — the acid formed when the oxide reacts with water.
- Universal Indicator Sol — shows the acidic solution in the acidic-oxide demonstration.
- Spatula, Spoon End — for quick, dry dispensing of the powder.
- Gloves, Chemical Resistant — hand protection against the corrosive solid.
Browse more reagents in the Laboratory Equipment category.
Frequently Asked Questions
What is Phosphorus Oxide (V) used for?
Phosphorus Oxide (V) is used as a very strong drying agent in desiccators, as a dehydrating agent in organic synthesis, and in demonstrations showing that a non-metal oxide dissolves in water to form an acidic solution.
Is Phosphorus Oxide (V) the same as phosphorus pentoxide?
Yes. Phosphorus Oxide (V) is phosphorus(V) oxide, usually called phosphorus pentoxide and written P2O5, although its molecules are actually P4O10. It is a white solid that absorbs water very strongly.
What grade and pack size is Phosphorus Oxide (V)?
Phosphorus Oxide (V), product code SCI-673/295, is analytical reagent grade and is listed in a 100 g pack. An MSDS with hazard, first-aid, storage and disposal information is supplied with it.
How should Phosphorus Oxide (V) be stored?
Keep Phosphorus Oxide (V) in its tightly closed container in a dry cupboard, opening it only briefly. Its shelf life depends on the chemical, its grade and storage conditions; ask us for the expiry date of the batch you are quoted.
Why is Phosphorus Oxide (V) dangerous with water?
Phosphorus Oxide (V) reacts violently with water, releasing a lot of heat and forming phosphoric acid, and it can cause severe burns to skin and eyes. Add it to water only in tiny amounts, never the reverse, and wear goggles and gloves.
Who supplies Phosphorus Oxide (V)?
Phosphorus Oxide (V) is supplied by Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India, to colleges, schools, testing laboratories, dealers and importers in India and international markets. CIN and GSTIN details are available for vendor registration.
What does a quotation for Phosphorus Oxide (V) need?
A quotation for Phosphorus Oxide (V) needs the product code SCI-673/295, the number of 100 g packs, the delivery destination and any desiccators or protective equipment to include. Send it through the contact page.
Request a Quote
For a Phosphorus Oxide (V) (SCI-673/295) quotation, write to us through the contact page or add it to the enquiry cart with the desiccator and glassware you need.
Last updated: 24 September 2026
