--- product_id: 322094588 title: "250ml Erlenmeyer Flask with Blue Screw Cap, Borosilicate Glass, Graduated (Single)" brand: "karter scientific" price: "€ 30.65" currency: EUR in_stock: true reviews_count: 13 category: "Karter Scientific" url: https://www.desertcart.pt/products/322094588-250ml-erlenmeyer-flask-with-blue-screw-cap-borosilicate-glass-graduated store_origin: PT region: Portugal --- # Heat resistant to 140°C GL45 blue screw cap seal 250ml precision volume 250ml Erlenmeyer Flask with Blue Screw Cap, Borosilicate Glass, Graduated (Single) **Brand:** karter scientific **Price:** € 30.65 **Availability:** ✅ In Stock ## Summary > 🧪 Elevate your experiments with precision and style! ## Quick Answers - **What is this?** 250ml Erlenmeyer Flask with Blue Screw Cap, Borosilicate Glass, Graduated (Single) by karter scientific - **How much does it cost?** € 30.65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/322094588-250ml-erlenmeyer-flask-with-blue-screw-cap-borosilicate-glass-graduated) ## Best For - karter scientific enthusiasts ## Why This Product - Trusted karter scientific brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Use:** Perfect for mixing, sampling, and storage — from professional labs to craft brewing at home - • **Secure Screw Cap:** Linerless, drip-free blue polypropylene GL45 cap ensures airtight, spill-proof storage - • **Precision Graduations:** Clear 50ml increments for accurate measurement every step of the way - • **Durable Borosilicate Glass:** Heavy-duty, thermal shock resistant glass built to last through rigorous lab and home use - • **Autoclavable & Dishwasher Safe:** Sterilize with confidence; fits standard dishwashers and pressure cookers without damage ## Overview This 250ml Erlenmeyer flask by Karter Scientific features durable borosilicate glass with clear 50ml graduations and a secure GL45 blue polypropylene screw cap. Designed for both professional and hobbyist use, it withstands temperatures up to 140°C and is autoclavable and dishwasher safe, making it a reliable choice for precise mixing, sampling, and storage. ## Description These heavy duty borosilicate glass round bottles can be used for storage as well as mixing and sampling. They include a linerless, one-piece autoclavable blue polypropylene plug seal GL45 threaded cap with a drip-free pouring ring. Max temperature of 140 degrees Celsius (284 degrees Fahrenheit). ALKALINE-EARTH-CONTAINING BOROSILICATE GLASSES (BOROSILICATE GLASS):In addition to about 75% SiO2 and 8–12% B2O3, these glasses contain up to 5% alkaline earths and alumina (Al2O3). This is a subtype of slightly softer glasses, which have thermal expansions in the range (4.0–5.0) × 10−6 K−1. Review: Heavy duty material, and it fits in the top of our dishwasher too! - Great product. It's well made and I'm anxious to use it (for beer making)! Review: Well made Erlenmeyer flask - Thick glass, well-fitting screw top. Sterilized in pressure cooker without a glitch. Does the job. Recommended. ## Features - Volume: 250ml / 8.5oz - Graduations: 50ml, 50ml to 200ml - Height: 122mm / 4.8in (approx.) - Outside Diameter: 83mm / 3.25in (approx.) - Screw Cap: GL45 Blue Polypropylene ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08XY9Q9QW | | Best Sellers Rank | #124,592 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #39 in Lab Erlenmeyer Flasks | | Bottom Shape | Round | | Brand | Karter Scientific | | Brand Name | Karter Scientific | | Capacity | 250 ml | | Customer Reviews | 4.2 out of 5 stars 190 Reviews | | Graduation Interval | 50 ml | | Manufacturer | Karter Scientific | | Material | Borosilicate Glass | | Material Type | Borosilicate Glass | | Model Number | 254A3 | | Number of Items | 1 | | Part Number | 254A3 | | Shape | Round | | Unit Count | 1 Count | ## Product Details - **Material:** Borosilicate Glass - **Capacity:** 250 Milliliters - **Brand:** Karter Scientific - **Bottom Shape:** Round - **Graduation Interval:** 50 Milliliters ## Images ![250ml Erlenmeyer Flask with Blue Screw Cap, Borosilicate Glass, Graduated (Single) - Image 1](https://m.media-amazon.com/images/I/516qpsV9CzS.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Heavy duty material, and it fits in the top of our dishwasher too! *by L***E on July 14, 2026* Great product. It's well made and I'm anxious to use it (for beer making)! ### ⭐⭐⭐⭐⭐ Well made Erlenmeyer flask *by J***P on March 1, 2026* Thick glass, well-fitting screw top. Sterilized in pressure cooker without a glitch. Does the job. Recommended. ### ⭐⭐⭐⭐⭐ Great for precision mixing, airtight cap *by O***E on July 14, 2025* Affordable and exactly what you expect. I use this flask for mixing solutions for all sorts of projects. The glass is thick, no bubbles or flaws, and the screw cap seals tight. Perfect for home lab or brewing setups. Cleaned easily and holds up to heat. I've poured lye in it, hot water and solvents. Seems to be great so far! Cheapest deal I found. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/322094588-250ml-erlenmeyer-flask-with-blue-screw-cap-borosilicate-glass-graduated](https://www.desertcart.pt/products/322094588-250ml-erlenmeyer-flask-with-blue-screw-cap-borosilicate-glass-graduated) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-23*