ammonium thiocyanate: meaning, definition, pronunciation and examples
C2 / Very Low Frequency (Specialized Technical)Technical/Scientific, primarily written; found in academic journals, chemical safety data sheets, industrial manuals.
Quick answer
What does “ammonium thiocyanate” mean?
An inorganic chemical compound with the formula NH₄SCN, composed of ammonium cations (NH₄⁺) and thiocyanate anions (SCN⁻).
Audio
Pronunciation
Definition
Meaning and Definition
An inorganic chemical compound with the formula NH₄SCN, composed of ammonium cations (NH₄⁺) and thiocyanate anions (SCN⁻).
Primarily used as a chemical reagent in laboratories and industrial processes (e.g., textile treatment, photography, corrosion inhibition). Can act as a precursor for other thiocyanates and in some chemical syntheses. Historically used in some pyrotechnic mixtures.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The spelling is standardized. Pronunciation may show minor variation in stress or vowel quality.
Connotations
Purely technical/scientific in both varieties. No cultural or colloquial connotations.
Frequency
Equally rare and specialized in both dialects, confined to chemistry-related fields.
Grammar
How to Use “ammonium thiocyanate” in a Sentence
[Substance] is treated with ammonium thiocyanate.Ammonium thiocyanate is added to [solution/reaction mixture].The complex formed with ammonium thiocyanate...Ammonium thiocyanate reacts with [ion/metal] to form...Vocabulary
Collocations
Examples
Examples of “ammonium thiocyanate” in a Sentence
noun
British English
- The ammonium thiocyanate was dissolved in deionised water.
- A test for ferric ions involves the use of ammonium thiocyanate.
American English
- The protocol calls for 5g of ammonium thiocyanate.
- Ammonium thiocyanate is a common laboratory chemical.
Usage
Meaning in Context
Business
Rare. Might appear in procurement lists, safety documentation, or chemical supply catalogs.
Academic
Primary context. Used in chemistry, materials science, and chemical engineering research papers, textbooks, and lab protocols.
Everyday
Extremely rare. Unlikely to be encountered outside specific scientific or industrial workplaces.
Technical
Core context. Appears in analytical chemistry methods, industrial process descriptions, and material safety data sheets (MSDS).
Vocabulary
Synonyms of “ammonium thiocyanate”
Strong
Neutral
Watch out
Common Mistakes When Using “ammonium thiocyanate”
- Mispronouncing 'thiocyanate' as /ˈθaɪ.oʊ.saɪˌæ.neɪt/ (incorrect syllable break). Correct: /ˌθaɪ.əʊˈsaɪ.ə.neɪt/.
- Confusing it with ammonium cyanate (NH₄OCN) or ammonium cyanide, which are different, more acutely toxic compounds.
- Misspelling as 'ammonium thyocyanate' or 'ammonium thicyanate'.
FAQ
Frequently Asked Questions
Yes. It is toxic if ingested, inhaled, or absorbed through skin. It can release highly toxic hydrogen cyanide and sulfur oxides when heated or in contact with strong acids. Proper safety equipment (gloves, goggles, fume hood) is essential.
Common uses include: as a reagent in chemical analysis (e.g., for iron detection), in photography, as a stabilizer in textiles, as a corrosion inhibitor, and as a precursor in chemical synthesis.
The thiocyanate test for ferric ions (Fe³⁺). Adding ammonium thiocyanate to a solution containing Fe³⁺ produces a deep blood-red colored complex, [Fe(SCN)(H₂O)₅]²⁺, which is a sensitive qualitative and quantitative test.
An inorganic chemical compound with the formula NH₄SCN, composed of ammonium cations (NH₄⁺) and thiocyanate anions (SCN⁻).
Ammonium thiocyanate is usually technical/scientific, primarily written; found in academic journals, chemical safety data sheets, industrial manuals. in register.
Ammonium thiocyanate: in British English it is pronounced /əˈməʊ.ni.əm ˌθaɪ.əʊˈsaɪ.ə.neɪt/, and in American English it is pronounced /əˈmoʊ.ni.əm ˌθaɪ.oʊˈsaɪ.ə.neɪt/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Link 'ammonium' (NH₄⁺, like in smelling salts) to 'thiocyanate' (think: 'thio-' = sulfur, 'cyanate' = related to cyanide but with sulfur replacing oxygen). It's the 'ammonium salt of thiocyanic acid'.
Conceptual Metaphor
Typically framed as a TOOL or REAGENT (e.g., 'a common reagent for...'), a PRECURSOR, or a HAZARD (due to toxicity and potential for releasing toxic gases).
Practice
Quiz
Ammonium thiocyanate (NH₄SCN) is primarily classified as: