Alpha Chemicals Synthetic Black Iron Oxide Fertilizers, 1 lb with Fine Texture for Easy Mixing
Alpha Chemicals Synthetic Black Iron Oxide Fertilizers, 1 lb with Fine Texture for Easy Mixing
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Alpha Chemicals

Alpha Chemicals Synthetic Black Iron Oxide Fertilizers, 1 lb with Fine Texture for Easy Mixing

|8 ratings

Key item features

  • Chemical Composition: Composed of Fe3O4, also known as magnetite or iron (II,III) oxide, providing its distinct properties.
  • Fine Texture: Features a super fine particle size of approximately 0.30 micron, ensuring easy mixing with other substances.
  • Versatile Applications: Suitable for a wide range of uses including magnetic putty, magnetic slime, welding, and ceramic production.
  • Pigment Use: Functions effectively as a pigment, capable of adding color to materials such as clay.
  • Convenient Packaging: Supplied in a 1-lb resealable foil pouch for practical and secure storage.
  • Educational Demonstrations: Ideal for creating engaging educational demonstrations like magnetic putty or slime.
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Specs

Fertilizer type, SyntheticForm, DustRec location, Indoor, OutdoorSize, 1 lbsWeight, 1 lbBrand, Alpha Chemicals

About this item

Product details

Synthetic Fe3O4 Black Iron Oxide from Alpha Chemicals has a wide variety of uses in the lab, science classroom, workshop and elsewhere. It adds pigment to clay and can also be used to make magnetic putty or slime for fun educational demonstrations. Other applications include making ceramics and in welding. This synthetic black iron oxide has a very fine texture for easy mixing with other substances. It comes in a 1-lb resealable foil pouch for convenient storage.

Alpha Chemicals Synthetic Black Iron Oxide Fertilizers, 1 lb with Fine Texture for Easy Mixing

  • Fe3O4, also known as magnetite or iron (II,III) oxide
  • Particle size runs about 0.30 micron, which is super fine
  • Used in magnetic putty, magnetic slime, and other experiments
  • Applicable in welding, fertilizers, pigments, ceramics, and many other uses
  • Black iron oxide powder comes in a resealable bag
info:
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Specifications

Fertilizer type

Synthetic

Form

Dust

Rec location

Indoor, Outdoor

Size

1 lbs

Warranty

Warranty information

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Customer ratings & reviews

4.4 out of 5 stars
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8 ratings5 reviews
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  1. 5 stars75% (6)
  2. 4 stars13% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star13% (1)
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Showing 1-3 of 5 reviews

Dec 24, 2025
Reviewer name: Cayjojo
Top Reviewer
Sold and shipped byAlpha Chemicals
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great intense color!

I saw this product in a video about coloring grout.  I was able to turn my gray grout black with a small amount. It actually got a little darker than I intended. It works much better than adding paint to your mixture.

Incentivized Review
Helpful?3N6ZZAF632GG355495810
Sep 29, 2020
Reviewer name: Sam
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Quality

Works for making ferrofluid.

Helpful?3N6ZZAF632GG355495810
May 16, 2018
Reviewer name: SlimeMia
5 out of 5 stars
5 out of 5 stars review

it was exactly what wee ordered and the shipping just took 1 day longer than expected, we are happy. it was for a school project my granddaughter is a slime making guru and this made it magnetic, thank you.

Helpful?3N6ZZAF632GG355495810
Current price is $14.99
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Sold and shipped by Alpha Chemicals
4.777777777777778 out of 5 stars
4.8 stars out of 5, based on 153 seller reviews(4.8)
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Free Holiday returns until Jan 31