chemistry

Succinonitrile

Succinonitrile is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Succinonitrile rather than just read about it. In short: Succinonitrile, also butanedinitrile, is a nitrile, with the formula of C2H4(CN)2. It is an odorless, colorless to light brown crystal or colourless waxy solid which melts at 58 °C.

Key takeaways

Succinonitrile belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Succinonitrile to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Succinonitrile from memory before moving on to harder problems.

Reference excerpt

Succinonitrile, also butanedinitrile, is a nitrile, with the formula of C2H4(CN)2. It is an odorless, colorless to light brown crystal or colourless waxy solid which melts at 58 °C. Succinonitrile is produced by the addition of hydrogen cyanide to acrylonitrile (hydrocyanation):

CH2=CHCN + HCN → NCCH2CH2CN Hydrogenation of succinonitrile yields putrescine (1,4-diaminobutane).

Applications

Succinonitrile may find applications as the "solvent" (while still in its waxy state) in lithium batteries.

Safety Like most nitriles, succinonitrile is toxic and can release cyanide ions in the body. NIOSH recommends a TWA exposure limit of 6 ppm (20 mg/m³).

See also Malononitrile - A di-nitrile with 3 carbon atoms Glutaronitrile - A di-nitrile with 5 carbon atoms Adiponitrile - A di-nitrile with 6 carbon atoms

References

External links WebBook page for C4H4N2 CDC - NIOSH Pocket Guide to Chemical Hazards

Illustrations

Worked examples

Example 1 — a first encounter with Succinonitrile

Start with the simplest possible case. Write down what Succinonitrile claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Succinonitrile before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Succinonitrile ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Succinonitrile

In research: Succinonitrile appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Succinonitrile in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Succinonitrile is common in secondary-school and first-year university syllabi. It links to neighbouring topics Alkanedinitriles, Organic compound stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Succinonitrile outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Succinonitrile in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Succinonitrile means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Succinonitrile out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Succinonitrile in simple terms?

Succinonitrile, also butanedinitrile, is a nitrile, with the formula of C2H4(CN)2. It is an odorless, colorless to light brown crystal or colourless waxy solid which melts at 58 °C.

Why does Succinonitrile matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Succinonitrile?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Succinonitrile.