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Corning 4980-500 Pyrex Narrow Mouth Erlenmeyer Flask with Heavy Duty Rim, 100 mL capacity-500 mL Capacity Graduation Range, Rubber Stopper Number 7, 101 mm Diameter
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Material | Glass |
Capacity | 500 |
Brand | Corning |
Bottom Shape | Round |
Graduation Interval | 50 Milliliters |
About this item
- Made from borosilicate glass
- Narrow mouthed Erlenmeyer flask uses rubber stopper
- Graduated from 100 to 500mL in 100mL intervals
- Reusable and non sterile with an extra large marking space provided
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Product details
- Is Discontinued By Manufacturer : No
- Product Dimensions : 7 x 4 x 4 inches; 6.7 ounces
- Item model number : 4980-500
- Date First Available : June 26, 2007
- Manufacturer : Corning Incorporated
- ASIN : B001BLMC1M
- Best Sellers Rank: #224,757 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #102 in Lab Erlenmeyer Flasks
- Customer Reviews:
Product Description
These 500 ml Pyrex Erlenmeyer flasks are designed with heavy duty rims to reduce chipping. Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance. Approximate graduations are in durable white enamel. An extra large marking space is also provided.
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, thickness, durability, and material of the flask. For example, they mention it's well made, holds up well whether boiling or using a stir bar, and is extra-thick walled. That said, some appreciate the fit.
AI-generated from the text of customer reviews
Customers are satisfied with the quality of the lab supply. They mention it's well-made, excellent, and does the job. Some say that the glass is high quality.
"...Quality." Read more
"...The roots have really grown and the glass is high quality. If you're looking to do this as well, this beaker is the perfect size...." Read more
"...layers of bubble wrap and packing paper around that, the item was not chipped or damaged in any way, and was very clean...." Read more
"Works perfect for heating my ionic silver for synthesis but just lacks in clarity because of noticeable rings...." Read more
Customers like the durability of the lab supply. They say it's made strong and clear. It holds up well whether boiling or using a stir bar. It also holds up in the dishwasher and has lasted quite a while. Customers also mention that it stands up to high temps and rapid heating with a bunsen burner just fine.
"...review says it all, real borosilicate not tempered glass, holds up well whether boiling or using a stir bar. Quality." Read more
"Stick with Corning Pyrex for superior glassware. Received the heavy duty glass as advertised. Happy." Read more
"this flask is a little thicker than a coffee pot glass, the rim is heavy duty like the description states...." Read more
"It's ok, a bit thin....easily broke." Read more
Customers appreciate the value of the lab supply. They say it is a great item for the cost.
"...I was wrong. This is exactly what I was looking for and the price was really good. Thinking about buying a couple more." Read more
"...the flask when i opened the package and there were none, great price for a great flask" Read more
"Fair price. It was shipped and arrived as scheduled, was well packaged and was not broken when it arrived...." Read more
"Great flask for price point. Packed very well & we received it in perfect condition...." Read more
Customers are satisfied with the fit of the lab supply. They mention it's a nice size, with accurate measurements, and is perfect for measuring and cooking.
"...If you're looking to do this as well, this beaker is the perfect size. It's like breaking bad meets house plant" Read more
"Nice size, but our purpose is not very scientific. We bought this to convert into a hand soap pump for our son's science themed bathroom." Read more
"well wrapped and just perfect for measuring/ cooking etc, and looks great on the counter." Read more
"...This flask is a nice size for household use (e.g. drinks or cooking)." Read more
Customers are satisfied with the thickness of the flask. They mention that it is a high-end thick-walled flasK with a nice lip. Some say that the neck is thick as hoped and it is excellent labware. They also mention that the thick walls are perfect for a bunsen burner and are strong for heating.
"...This is one of the best erlenmeyer flasks I've ever seen! Extra-thick walled, much better than Pyrex or Kimax! xUmp is a fine vendor!..." Read more
"Very nice; ;cheap and quality. Thick walls perfect for a bunsen burner/high degrees of heat. I'll be picking one of these up in every size." Read more
"Thick glass, slight roll to the top which makes pouring somewhat less messy. The graduations are accurate within reason. Good product and works." Read more
"The neck is thick as hoped and its excellent labware" Read more
Customers are satisfied with the material of the lab supply. They mention that the glass is nice and thick, not thin like other cheap flasks, and is made of real borosilicate, not tempered glass. It holds up well whether boiling or melting, and it still feels and looks quite new.
"The review says it all, real borosilicate not tempered glass, holds up well whether boiling or using a stir bar. Quality." Read more
"...Seems like its pretty that no glass and heavy enough to avoid thermal shock." Read more
"...It has lasted me quite a while and the glass still feels and looks quite new. The price point is one of the best out there." Read more
"The glass is nice and thick and the volume markings are clear and nicely defined. The perfect vessel for building up yeast cultures." Read more
Customers find the numbers and markings on the lab supply to be clearly printed and easy to read. They also say the product is lightweight, durable, and has accurate markings.
"This flask is lightweight, durable, and has accurate markings. It hold up well in the dishwasher...." Read more
"great, clear and sturdy, can go from boiling to the freezer with no issues." Read more
"...the glass is as durable as you would hope for, and the numbers/markings are clearly printed. It was well packed and received in a timely manner." Read more
"They are made strong and clear, they can be used for anything that requires heating liquid...." Read more
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Please note that cork stoppers use a different numbering system than rubber ones.
Heavy rim on around the opening.
The bottom is slightly concave: when sitting on a flat surface the outside edges make contact but the center domes upward a little. It's designed this way, not an error. If you need a flat bottom buy a beaker.
I'm using this to boil diatilled water in to remove gas for sonoluminescence.
When boiling distilled water have a toothpick floating in it to provide nucleation (bubble) site or else it can superheat and explode (boil at once). This can happen if you microwave water or coffee in a cup that is too smooth. Put the toothpick in BEFORE starting to heat.
On the flask itself it says:
500mL +\- 5%
Pyrex
Made in Germany
No. 4980
Stopper No. 7
Michael Logusz
Science and Optics Blog
Please note that this product DOES NOT take a #7 stopper. It is too small. I would recommend #9.
I give it four stars because I originally tried using a #7 stopper and the air pressure within the flask sucked it in. Trust me when I say that you have not lived until you have spent hours trying to get a stopper out of this flask without wanting to break it open.
If you do get a stopper stuck within this flask or any other bottle, the technique in the link below should do the trick to get it out.
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