chemistry

Perfluoro(2-methyl-3-pentanone)

Perfluoro(2-methyl-3-pentanone) 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 Perfluoro(2-methyl-3-pentanone) rather than just read about it. In short: Perfluoro(2-methyl-3-pentanone) is a fluorinated ketone with the structural formula CF3CF2C(=O)CF(CF3)2, a fully-fluorinated analog of ethyl isopropyl ketone. It is used as an electronics coolant liquid and fire protection fluid sold commercially by 3M under brand names such as Novec 1230, Novec 649, and FK-5-1-12.

Key takeaways

Perfluoro(2-methyl-3-pentanone) belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Perfluoro(2-methyl-3-pentanone) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Perfluoro(2-methyl-3-pentanone) from memory before moving on to harder problems.

Reference excerpt

Perfluoro(2-methyl-3-pentanone) is a fluorinated ketone with the structural formula CF3CF2C(=O)CF(CF3)2, a fully-fluorinated analog of ethyl isopropyl ketone. It is used as an electronics coolant liquid and fire protection fluid sold commercially by 3M under brand names such as Novec 1230, Novec 649, and FK-5-1-12. It is also known as "waterless water" or "dry water".

Applications 3M produces perfluoro(2-methyl-3-pentanone) under different brand names of Novec 1230 and Novec 649. These two products have different purity grades (>99% and >99.9%, respectively) intended for different industrial applications.

Novec 1230 and FK-5-1-12 Novec 1230 is used as gaseous fire suppression agent in scenarios where water-based fire suppression (for example, from a fire sprinkler) would be impractical or where it could damage expensive equipment or property, such as museums, server rooms, banks, clean rooms and hospitals. It functions by rapidly removing heat to extinguish a fire before it starts; also, its density enables it to displace air and thereby deprive the fire of oxygen. Novec 1230 can be used in both total/partial/localized flooding systems, and directional spray-type applications; it is also used in portable extinguishers for specialized applications. The Patent for Novec 1230 as fire extinguishant ended on July 19, 2020. Since the expiry of the patent, multiple companies have brought equivalent products to market under the chemical name FK-5-1-12. Recently, it has found active use in microencapsulated form in the manufacture of fire-extinguishing composite materials. Samsung SDI is using this product to extinguish fires in the early stages of modular high-capacity storage systems (ESS) based on lithium-ion batteries for solar panels and electric vehicles. In August 2019, Samsung SDI officially announced its investment of $169 million into fire-extinguishing composite materials based on microencapsulated Novec 1230. The firm later reported that UL9540A testing for this product was passed.

Novec 649 Novec 649 is a low-temperature heat-transfer fluid. It has been used as a full-immersion fluid in a proof of concept data center cooling system by Intel and SGI. Due to its relatively low 49 °C (120.2 °F) boiling point, it is used as a heat transfer fluid in two-phase immersion cooling systems. Within these systems evaporative cooling is utilized to remove excess heat generated from immersed technology. The heat is then removed from the vaporous Novec 649 using a condensing loop typically running cold water. Novec 649 is also being considered to be used for cooling silicon photomultiplier (SiPM) sensors to −40 °C (−40 °F) in single-phase configuration as part of Large Hadron Collider’s high luminosity upgrade. Traditional perfluorocarbon (PFC) based compounds used for cooling, such as Fluorinert, display high global warming potentials (GWPs), typically 5,000 to 10,000 times that of CO2. Novec 649 was chosen as a good drop-in replacement due to it having similar thermo-physical properties to Fluorinert FC-72 (perfluorohexane, C6F14) while exhibiting a very low global warming potential of 1.

Environmental safety Novec 649/1230 does not deplete ozone (ODP 0) and has a global warming potential of 1 (over 100 years), equivalent to that of carbon dioxide. The Globally Harmonized System of Classification and Labeling of Chemicals (GHS) classifies this chemical as H412 - Harmful to aquatic life with long lasting effects. Photolysis in sunlight, hydrolysis and hydration may be a significant sink of Novec 649/1230 in the environment. It has very short estimated atmospheric lifetime of around 4 to 15 days. Novec 649/1230 is classified as a PFAS substance. In December 2022, 3M announced that it would cease production of all PFAS products by 2025, including Novec 649/1230. It degrades to Trifluoroacetic acid (TFA) via photolytic degradation in sunlight.

See also Fire protection fluid Immersion cooling Liquid dielectric Hydrofluoroether Fluorinert

References

External links 3M Novec 1230 Website 3M Novec 649 product page Technical Brief, Environmental properties of Novec 1230 Fluid Archived 2021-01-23 at the Wayback Machine Data Sheets of Novec 649 Fluid MSDS for Novec 1230 Patent for Novec 1230 United States Environmental Protection Agency Substitutes in Total Flooding Agents 3M Novec 649 as a replacement of C6F14 in liquid cooling systems

Illustrations

Worked examples

Example 1 — a first encounter with Perfluoro(2-methyl-3-pentanone)

Start with the simplest possible case. Write down what Perfluoro(2-methyl-3-pentanone) 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 Perfluoro(2-methyl-3-pentanone) 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 Perfluoro(2-methyl-3-pentanone) 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 Perfluoro(2-methyl-3-pentanone)

In research: Perfluoro(2-methyl-3-pentanone) 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 Perfluoro(2-methyl-3-pentanone) 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: Perfluoro(2-methyl-3-pentanone) is common in secondary-school and first-year university syllabi. It links to neighbouring topics 3M brands, Carbon oxohalides, Coolants, so understanding it makes those chapters shorter.
In everyday life: Look for Perfluoro(2-methyl-3-pentanone) 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 Perfluoro(2-methyl-3-pentanone) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Perfluoro(2-methyl-3-pentanone) 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 Perfluoro(2-methyl-3-pentanone) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Perfluoro(2-methyl-3-pentanone) in simple terms?

Why does Perfluoro(2-methyl-3-pentanone) 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 Perfluoro(2-methyl-3-pentanone)?

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 Perfluoro(2-methyl-3-pentanone).