Ask a research-administration question
Answers are drawn from CASRAI and the rest of the CASRAI corpus, with a link to every source.
Answers are AI-generated from CASRAI’s own published pages and can be wrong, so check the linked sources before relying on one; your question is logged without personal data — never sold, never used to train a third-party model — to show us what CASRAI is missing, so please do not type personal or confidential details. How we use this
CASRAI is the reference for research administration — bookmark it for the next question.
USA Lab
Volumetric Flasks - 100mL, 250mL, 500mL, 1L & 2L
$12.00 - $40.00
In stockPrice varies by Size.
Glass volumetric flasks with polypropylene stoppers, for precise dilutions. Available in 100 mL, 250 mL, 500 mL, 1 L and 2 L.
Choose Size to continue.
Buying through procurement?
Generate a formal quotation for 1 × this item, plus our W-9 — everything your finance department needs to raise a purchase order.
Choose Size to continue.
Description
These laboratory volumetric flasks are designed for precise dilutions and the preparation of standard solutions . Each flask features a narrow, elongated neck with an etched ring graduation for accurate endpoint marking and comes fitted with a chemical-resistant polypropylene (PP) stopper .
Available sizes: 100 mL, 250 mL, 500 mL, 1 L, and 2 L . Ideal for QC labs, academic teaching labs, and R&D workflows that require reliable volume accuracy and repeatable results.
Etched Ring Graduation PP Stopper Included Narrow Neck Design Sizes 100 mL–2 L
Accuracy: Etched ring graduation on a narrow neck enables highly repeatable meniscus reads for standard solutions.
Chemical Resistance: Supplied with a durable polypropylene stopper suitable for routine lab reagents.
Versatility: Size range from 100 mL to 2 L covers everyday titrations, calibrations, and sample prep.
Product Overview
Why these volumetric flasks?
Precise preparation — Accurate dilutions and standard solutions with a crisp etched graduation ring.
Secure sealing — Chemical-resistant PP stopper helps minimize evaporation during mixing and storage.
Easy handling — Tall, narrow neck improves meniscus visibility; wide body provides stability on benchtops.
Flexible sizing — Choose 100 mL, 250 mL, 500 mL, 1 L, or 2 L to match your method requirements.
Ship-safe packaging — Extra care taken to reduce breakage in transit.
Need help selecting sizes for your SOPs or teaching lab kits? We’re happy to advise.
Technical Specifications
Size
Joint Size
Width
Height
Neck Width
100 mL
14/23
61.5 mm
175 mm
18.25 mm
250 mL
14/23
81.5 mm
225 mm
20.75 mm
500 mL
19/26
101.5 mm
270 mm
22.15 mm
1000 mL
24/29
127.5 mm
331 mm
27.75 mm
2000 mL
24/29
161.5 mm
394 mm
30.15 mm
FAQ
What are volumetric flasks used for?
Glass Volumetric Flasks with Polypropylene Stoppers – 100 mL to 2 L are used for precise dilutions and preparing standard solutions where volumetric accuracy is critical.
Which sizes are available?
We stock 100 mL, 250 mL, 500 mL, 1 L, and 2 L flasks. See the dimensions table above for joint sizes, widths, heights, and neck widths.
Do the flasks include stoppers?
Yes. Each flask is fitted with a chemical-resistant polypropylene (PP) stopper .
What is your breakage policy for glassware?
Glassware damaged after delivery is not covered.
Specifications
Glass Material:
Borosilicate
Frequently asked questions
What sizes are available?+
100 mL, 250 mL, 500 mL, 1 L and 2 L.
What stopper is supplied?+
A polypropylene stopper.
