sodium borate: meaning, definition, pronunciation and examples
C1Technical/Scientific
Quick answer
What does “sodium borate” mean?
A white crystalline compound (Na₂B₄O₇) consisting of sodium, boron, and oxygen, used primarily as a flux in metallurgy, a component in detergents and cosmetics, and a preservative.
Audio
Pronunciation
Definition
Meaning and Definition
A white crystalline compound (Na₂B₄O₇) consisting of sodium, boron, and oxygen, used primarily as a flux in metallurgy, a component in detergents and cosmetics, and a preservative.
Refers specifically to the hydrated or anhydrous forms of borax, a key industrial chemical also used in glassmaking, fire retardants, and as a mild antiseptic. In common parlance, often synonymous with 'borax'.
Dialectal Variation
British vs American Usage
Differences
No significant lexical difference. The compound name is identical in both varieties.
Connotations
Purely technical/scientific in both regions. In consumer contexts, 'borax' is the dominant term.
Frequency
Equally low-frequency in general discourse but standard in relevant technical fields in both the UK and US.
Grammar
How to Use “sodium borate” in a Sentence
[Substance] contains sodium borate.Sodium borate is used as [a flux/a preservative/a component].[Process] involves the addition of sodium borate.Vocabulary
Collocations
Examples
Examples of “sodium borate” in a Sentence
verb
British English
- The mixture is then borated with sodium borate.
- They borated the sample to adjust its properties.
American English
- The process involves borating the flux with sodium borate.
- We need to borate this solution to achieve the correct pH.
adjective
British English
- The sodium-borate coating provides fire resistance.
- We observed a sodium-borate complex formation.
American English
- The sodium-borate glass has a low melting point.
- A sodium-borate buffer is used in the assay.
Usage
Meaning in Context
Business
Used in supply chain or procurement contexts for industrial chemicals.
Academic
Standard term in chemistry, geology, materials science, and archaeological conservation literature.
Everyday
Rare. If used, typically in DIY or cleaning contexts (e.g., 'This homemade slime recipe calls for sodium borate.').
Technical
Precise term in laboratory procedures, industrial manufacturing specs, material safety data sheets (MSDS), and regulatory documents.
Vocabulary
Synonyms of “sodium borate”
Strong
Neutral
Weak
Watch out
Common Mistakes When Using “sodium borate”
- Using 'sodium borate' to refer to other boron compounds like boric acid (H₃BO₃).
- Misspelling as 'sodium borrate'.
- Incorrect pluralisation (*sodium borates) when referring to the specific compound.
FAQ
Frequently Asked Questions
Yes, in most contexts. 'Borax' is the common name for the refined natural mineral form of sodium borate decahydrate (Na₂B₄O₇·10H₂O). The term 'sodium borate' is more precise and includes anhydrous forms.
It is generally considered low toxicity for external use (e.g., in diluted cleaning products) but can be harmful if ingested in significant quantities. It is regulated as a pesticide in some jurisdictions. Always follow product safety guidelines.
Its uses are extensive: as a laundry booster and cleaner (borax), a flux in welding and metalworking, a component in fibreglass and heat-resistant glass (borosilicate glass), a wood preservative, a mild antiseptic in eye washes, and a buffering agent in chemistry.
It is primarily mined from evaporated lake bed deposits. Major sources include the Mojave Desert in California (USA) and similar arid regions in Turkey, Chile, and Kazakhstan.
A white crystalline compound (Na₂B₄O₇) consisting of sodium, boron, and oxygen, used primarily as a flux in metallurgy, a component in detergents and cosmetics, and a preservative.
Sodium borate is usually technical/scientific in register.
Sodium borate: in British English it is pronounced /ˌsəʊ.di.əm ˈbɔː.reɪt/, and in American English it is pronounced /ˌsoʊ.di.əm ˈbɔːr.eɪt/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think 'Sodium' (like table salt, Na) + 'Borate' (from Boron). It's the 'salt' of boric acid.
Conceptual Metaphor
A WORKHORSE/MULTITOOL (due to its diverse applications from cleaning to metallurgy).
Practice
Quiz
What is the most common everyday synonym for 'sodium borate'?