How Long Can Black Coffee Sit Out At Room Temperature?

You can leave cooked or raw food out for no longer than two hours. The fact that old coffee must be dealt with every now and then. While it seems to be completely safe, is it safe and could this pose any danger to us?

Even if the coffee was brewed using high-quality beans, it can sit out at room temperature for over 24 hours if it is black. Coffee heated to 140°F (60°C) may be kept at this temperature for no more than one to two hours in contact with milk or cream. To prevent contaminating other beverages, throw away any latte or cappuccino that has been sitting on the counter for over two hours.

Black coffee stored in the refrigerator should be finished within ten to fourteen days after preparing a batch if it's a cold brew.

To keep your coffee fresher for a longer period of time, let it sit for only 30 minutes before serving it. But after 30 minutes, coffee's freshness is lost as a result of oxidation. This happens in most cases when two molecules have a chemical reaction and electrons are transferred from one molecule to another. The flavor quickly begins to fade and you'll be left with bad diner coffee.

In general, it is safe to drink black coffee that has been left out for 24 hours after brewing.

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About US | OCM Profile

OCM ( was started in 2007 with the first webpage about coffee machines. And for a number of years, we focused on helping people find their desired coffee machine (we still are helping folks with that! So, if you are looking for coffee machines for office or restaurants - check out the link). 

In 2010, we started getting enquiries on restaurant marketing and we start to help food and beverage brands with their marketing. Below are campaigns and events that we have done over the years: 

OCM's campaigns: F&B Marketing Ideas by OCM 

OCM's Events: F&B Industry events by or with OCM

Check out this restaurant marketing guide to learn more about the many campaigns and companies we have worked with. 

Since then, we have also created many marketing workshops and classes for the F&B industry. Many of these modules are still running in tertiary institutions such as Temasek Polytechnic Skillsfuture Academy and also ITE College East COC classes, below are some snippets of our lectures and workshops: 

OCM’s F&B workshops: Food and Beverage Marketing Lectures | Workshops - click to watch classes on customer journey map, JTBD and more. 

So, if you are looking for industry practitioners to help you scale your coffee or F&B businesses, do drop us a message or book an appointment. Do also check out our various social media platforms on regular F&B and coffee market updates: 

For regular coffee (F&B) related videos: OCM Youtube

For Daily Coffee Inspiration (fun coffee content): OCM IG

For insights into the coffee (F&B) industry: OCM LinkedIN 

PS: For the coffee lovers, we continue to share coffee articles (and videos) and have also started a free coffee class section (with free online coffee training supported by coffee partners).

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