Ferrofluid

Quick answer: Ferrofluid is a stabilised liquid suspension of nanoscale magnetic particles that visibly responds to a magnetic field, used in physics and chemistry classrooms to demonstrate magnetic field patterns and colloidal chemistry. Ferrofluid is priced at approximately ₹1,020 (indicative market benchmark, incl. GST, August 2026).

Ferrofluid is a colloidal suspension of very fine magnetic (typically iron oxide) nanoparticles, coated with a surfactant and dispersed in a carrier liquid so the particles remain suspended rather than settling or clumping over time. When a magnet is brought near the fluid, the particles align with the magnetic field lines, causing the liquid surface to form distinctive spiky or textured patterns that make magnetic field shapes visible in three dimensions rather than the flat patterns typically seen with iron filings. In a teaching setting, ferrofluid is used both as a striking physics demonstration of magnetic field behaviour and as an example of colloidal chemistry — illustrating how surfactant coatings can keep nanoparticles stably dispersed in a liquid over the long term.

Technical Specifications

Applications

• Visualising three-dimensional magnetic field patterns in physics demonstrations
• Teaching colloidal chemistry and nanoparticle stabilisation via surfactant coatings
• Electromagnetism practicals illustrating field behaviour around magnets and coils
• General STEM demonstration equipment for physics and chemistry departments

Care & Maintenance

• Keep the container sealed when not in use to prevent evaporation of the carrier liquid
• Avoid exposing the fluid to strong heat, which can degrade the suspension over time
• Clean up spills promptly, as ferrofluid can stain surfaces and is difficult to remove once dried

Why Choose STEMAids

STEMAids supplies a wide range of Chemistry Lab Equipments including Conductivity Tester for related laboratory and classroom needs. Eduscope Smart Learning Solutions Private Limited is a Udyam-registered micro manufacturing enterprise (UDYAM-DL-06-0069460) and ISO 9001:2015 certified, supplying schools, colleges and vocational institutes across India and for export.

Frequently Asked Questions

What is ferrofluid made of?

It is a suspension of very fine magnetic nanoparticles coated with a surfactant and dispersed in a carrier liquid, which keeps the particles from settling or clumping over time.

Why does ferrofluid form spiky patterns near a magnet?

The magnetic nanoparticles align along the magnetic field lines when a magnet is brought close, and surface tension combined with this alignment produces the characteristic spiky, three-dimensional pattern.

Is ferrofluid safe to handle in a classroom setting?

It should be handled per standard laboratory practice and the product’s safety data sheet — avoiding skin/eye contact and following institutional lab safety protocols, as with any laboratory chemical.

What subjects is ferrofluid used to teach?

It is commonly used in physics demonstrations of magnetic fields and electromagnetism, and in chemistry to illustrate colloidal suspensions and nanoparticle stabilisation.

Are exact particle size and concentration specifications available for tender documentation?

Exact particle size, concentration and carrier-liquid composition have not been independently verified for this listing. Institutions preparing tender documents should confirm precise specifications directly with STEMAids before finalising procurement paperwork.

Is STEMAids a registered manufacturer of this product?

Yes. Eduscope Smart Learning Solutions Private Limited is a Udyam-registered micro manufacturing enterprise (UDYAM-DL-06-0069460) and is ISO 9001:2015 certified. See the About page for full registration and certification details — manufacturer-stated, verify before citing in procurement documents.

Last updated: 29 August 2026.