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Phosphoric Acid, 85% Concentration, Semiconductor Grade, 250ml #011-123
 
Phosphoric Acid, 85% Concentration, Semiconductor Grade, 250ml
Price:
$32.22
Chemical Name:
Phosphoric Acid
CAS Number:
7664-38-2
Chemical Formula:
H3PO4
Synonyms:
Orthophosphoric Acid, Phos

Detailed Product Description:

Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid,

is a colorless, odorless sparkling liquid.  Noncombustible.  Soluble in water

and alcohol.  Corrosive to ferrous metals and alloys. 

 

Grade/Purity:

This is Semiconductor Grade material with minimum purity of 99.9%.

 

Applications:

This compound is most commonly used for metal cleaning, conversion coatings,

and for Parkerizing (manganese phosphate and zinc phosphate processes).

 

Rust Removal:

Phosphoric acid may be used by direct application to rusted iron, steel tools, or

surfaces to convert iron(III) oxide (rust) to a water-soluble phosphate compound.  

It is usually available as a component in a gel, commonly called naval jelly.  It is

sometimes sold under other names, such as "rust remover" or "rust killer."  As a

thick gel, it may be applied to sloping, vertical, or even overhead surfaces.  After

treatment, the reddish-brown iron oxide will be converted to a black iron phosphate

compound coating that may be scrubbed off.  Multiple applications of phosphoric

acid may be required to remove all rust.  

 

After application and removal of rust using phosphoric acid compounds, the metal

should be oiled (if to be used bare, as in a tool) or appropriately painted, by using

a multiple coat process of primer, intermediate, and finish coats.  Care must be taken

to avoid acid burns of the skin and especially the eyes, but the residue is easily diluted

with water.  When sufficiently diluted, it can even be nutritious to plant life, containing

the essential nutrients phosphorus and iron.  

 

Medical Uses:

Phosphoric acid is used in dentistry and orthodontics as an etching solution, to clean

and roughen the surfaces of teeth where dental appliances or fillings will be placed.  

 

Precautions:

Read and understand all precautions stated in Material Safety Data Sheet

(MSDS, downloadable below).

Strong irritant to eyes and skin.  Toxic by inhalation and ingestion.

 

Click here to download MSDS (Material Safety Data Sheet).

 

Packaging:

Comes packed in 250ml HDPE Nalgene lab bottle.  Also available in 500ml size.


Quantity:
 
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