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Alkaline vs. Borax — What's the Difference?

By Tayyaba Rehman & Urooj Arif — Updated on May 6, 2024
Alkaline refers to substances with a pH above 7, often characterized by their ability to neutralize acids; borax, a specific alkaline compound, is used as a cleaning agent and has various industrial applications.
Alkaline vs. Borax — What's the Difference?

Difference Between Alkaline and Borax

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Key Differences

Alkaline substances are those with a pH greater than 7, indicating a higher concentration of hydroxide ions compared to hydrogen ions, which gives them their basic nature. Borax, on the other hand, not only shares this basic characteristic but is also a specific chemical compound known as sodium borate.
While all alkaline substances can neutralize acids, making them crucial in various chemical processes, borax is particularly valued for its versatility in household and industrial applications, such as a cleaning agent, antifungal, and even as a fire retardant.
Alkaline materials are found in various forms and strengths, from mild solutions like baking soda to strong bases like lye. Borax, however, is often found in a powdered form, which is easy to dissolve in water to produce a mildly alkaline solution.
The safety profiles of alkalines can vary widely; some, like caustic soda, are highly corrosive and dangerous, whereas borax is generally considered safe for use in moderated quantities, although prolonged exposure can cause irritation or harm.
The applications of alkaline substances extend from culinary uses, such as in baking, to industrial scales, such as in paint manufacturing. Borax has its unique niches, like in the creation of borosilicate glass or as a flux in metal welding.
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Comparison Chart

PH Level

Above 7
Generally around 9

Common Forms

Liquids, powders
Powdered form

Industrial Uses

Paints, food processing
Glassmaking, cleaning agents

Household Use

Baking soda for cooking
Laundry booster

Safety

Ranges from safe to corrosive
Generally safe but irritant

Compare with Definitions

Alkaline

Often used in batteries due to their ability to conduct electricity.
Alkaline batteries are preferred for their long-lasting power.

Borax

Has antifungal and antiseptic properties.
Borax solutions are used to treat some fungal infections.

Alkaline

Common in nature and can be found in minerals and water.
Alkaline water is said to have health benefits due to its mineral content.

Borax

A naturally occurring mineral; sodium borate.
Borax is mined from deposits in dried lake beds.

Alkaline

Can be dangerous if highly concentrated.
Industrial alkaline cleaners must be handled with care to avoid burns.

Borax

Used as a household cleaner and laundry booster.
Adding borax to your laundry can help remove tough stains.

Alkaline

Basic and capable of neutralizing acids.
Alkaline solutions are often used to neutralize acid spills.

Borax

Acts as a flux in metal welding.
Borax helps clean and stabilize metal surfaces during soldering.

Alkaline

Substance with a pH higher than 7.
Ammonia is an alkaline substance used in many household cleaners.

Borax

Utilized in the manufacture of glass and ceramics.
Borax increases the heat resistance of glass products.

Alkaline

Of, relating to, or containing an alkali.

Borax

Borax, also known as sodium borate, sodium tetraborate, or disodium tetraborate, is an important boron compound, a mineral, and a salt of boric acid. Powdered borax is white, consisting of soft colorless crystals that dissolve in water.

Alkaline

Having a pH greater than 7.

Borax

A white compound which occurs as a mineral in some alkaline salt deposits and is used in making glass and ceramics, as a metallurgical flux, and as an antiseptic.

Alkaline

Having a relatively low concentration of hydrogen ions.

Borax

Good-natured teasing or ridicule; banter
They take a bit of borax, but that is part of the job

Alkaline

Of or relating to a common disposable battery made of zinc and manganese dioxide.

Borax

A hydrated sodium borate, Na2B4O7·10H2O, an ore of boron, that is used as a cleaning compound.

Alkaline

Of, or relating to an alkali, one of a class of caustic bases.

Borax

Cheap merchandise, especially tasteless furnishings
"today's glinty borax" (New Yorker).

Alkaline

(chemistry) Having a pH greater than 7.

Borax

A white or gray/grey crystalline salt, with a slight alkaline taste, used as a flux, in soldering metals, making enamels, fixing colors/colours on porcelain, and as a soap, etc.

Alkaline

An alkaline battery.

Borax

(chemistry) The sodium salt of boric acid, Na2B4O7, either anhydrous or with 5 or 10 molecules of water of crystallization; sodium tetraborate.

Alkaline

Of or pertaining to an alkali or to alkalies; having the properties of an alkali.

Borax

Cheap or tawdry furniture or other works of industrial design.

Alkaline

Relating to or containing an alkali; having a pH greater than 7;
Alkaline soils derived from chalk or limestone

Borax

(transitive) To treat with borax.

Borax

A white or gray crystalline salt, with a slight alkaline taste, used as a flux, in soldering metals, making enamels, fixing colors on porcelain, and as a soap. It occurs native in certain mineral springs, and is made from the boric acid of hot springs in Tuscany. It was originally obtained from a lake in Thibet, and was sent to Europe under the name of tincal. Borax is a pyroborate or tetraborate of sodium, Na2B4O7.10H2O.

Borax

An ore of boron consisting of hydrated sodium borate; used as a flux or cleansing agent

Common Curiosities

What are the environmental impacts of alkaline substances?

Alkaline substances can affect water pH and aquatic life if not managed properly.

What is the pH level of borax?

Borax typically has a pH of around 9.

Can borax be used in food preparation like some alkalines?

No, borax is not safe for ingestion and should not be used in food preparation.

How does the alkalinity of borax compare to that of baking soda?

Borax is generally more alkaline than baking soda.

What safety precautions should be taken when using alkaline substances?

Protective gear should be worn, especially with strong alkalines to avoid skin and eye contact.

Can I use borax to neutralize acids like other alkalines?

Yes, borax can neutralize acids, though it is less potent compared to stronger bases.

Can alkaline substances be found in food?

Yes, many foods are naturally alkaline or are made with alkaline ingredients.

What are the primary uses of borax in industry?

It is used in glass making, ceramics, and as a flux in welding.

What are the health risks associated with borax?

Prolonged exposure to borax can lead to skin and respiratory irritations.

How can the alkalinity of a substance be determined?

By measuring its pH level using pH strips or electronic pH meters.

Are all alkaline substances safe for household use?

Not all; while substances like baking soda are safe, others like lye must be used with caution.

Is borax the same as boric acid?

No, borax is a precursor to boric acid but they are chemically distinct substances.

Where is borax commonly found?

Borax deposits are mainly found in arid regions of the USA and Turkey.

What makes alkaline substances conductive?

Their ion concentration enables them to conduct electricity.

Is there a sustainable way to use borax?

Using borax in moderated amounts and following local environmental guidelines helps ensure sustainability.

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Author Spotlight

Written by
Tayyaba Rehman
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.
Co-written by
Urooj Arif
Urooj is a skilled content writer at Ask Difference, known for her exceptional ability to simplify complex topics into engaging and informative content. With a passion for research and a flair for clear, concise writing, she consistently delivers articles that resonate with our diverse audience.

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