---
product_id: 529540987
title: "FZN 2 Neck Round 50 ML Bottom Boiling Flask with 24/40 Center & Side Joints Angled Receiving Reflux Flask Multi Neck Apparatus Organic Chemistry Lab Glassware"
brand: "fzn"
price: "€ 12.74"
currency: EUR
in_stock: true
reviews_count: 8
category: "Fzn"
url: https://www.desertcart.it/products/529540987-fzn-2-neck-round-50-ml-bottom-boiling-flask-24
store_origin: IT
region: Italy
---

# 24/40 standard taper joints Heat-resistant borosilicate glass 50 mL precision volume FZN 2 Neck Round 50 ML Bottom Boiling Flask with 24/40 Center & Side Joints Angled Receiving Reflux Flask Multi Neck Apparatus Organic Chemistry Lab Glassware

**Brand:** fzn
**Price:** € 12.74
**Availability:** ✅ In Stock

## Summary

> 🧬 Elevate your lab game with precision and durability that never quits!

## Quick Answers

- **What is this?** FZN 2 Neck Round 50 ML Bottom Boiling Flask with 24/40 Center & Side Joints Angled Receiving Reflux Flask Multi Neck Apparatus Organic Chemistry Lab Glassware by fzn
- **How much does it cost?** € 12.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/529540987-fzn-2-neck-round-50-ml-bottom-boiling-flask-24)

## Best For

- fzn enthusiasts

## Why This Product

- Trusted fzn brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision 50 mL Capacity:** Accurate volume markings for flawless measurement in every experiment.
- • **Trusted by Professionals:** Top-rated (#14 in Lab Boiling Flasks) with 4.9-star reviews—join the elite circle of chemists who rely on FZN.
- • **Optimized Heat Distribution:** Round bottom shape ensures even stress distribution, minimizing risk of shattering under vacuum.
- • **Versatile Multi-Neck Design:** Dual 24/40 center and side joints for seamless integration with complex reflux and distillation setups.
- • **Lab-Grade Borosilicate Glass:** Durable, thick-walled glass built to withstand intense heating and vacuum conditions.

## Overview

The FZN 2 Neck Round 50 mL Bottom Boiling Flask is crafted from premium borosilicate glass featuring a robust thick wall and standard 24/40 joints. Its round bottom design ensures even heat distribution and resistance to vacuum stress, making it ideal for organic chemistry applications like distillation and reflux. Highly rated and trusted in professional labs, this flask combines precision, durability, and versatility for advanced scientific work.

## Description

Made up of FZN glass with markings for volume of liquid and flask can be heated on flame for increasing temperature of solutions as per experiments performed in chemistry lab for schools and education institute.

Review: Good quality - This is a heavy duty high quality glassware product. I'm delighted that I made the purchase.
Review: Great build - These round bottoms flask are very good , neck size was perfect

## Features

- Premium Quality: Constructed of premium borosilicate glass, with a thick glass wall that is strong and reusable.
- Standard Size: The round-bottom flask has an interchangeable, leak-free 24/40 standard taper outer joint. the 100ml volume.
- Heat-Resistant: Because spheres can evenly distribute stress across their surfaces, boiling flasks with round bottoms are more resilient to shattering under vacuum.
- Wide Application: The round bottom flask is widely used in organic chemistry, in distillation, or vacuum distillation apparatus.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BYF8NK4X |
| Best Sellers Rank | #36,674 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #15 in Lab Boiling Flasks |
| Bottom Shape | Round |
| Brand | FZN |
| Brand Name | FZN |
| Capacity | 50 Milliliters |
| Country Of Origin | India |
| Customer Reviews | 4.2 out of 5 stars 17 Reviews |
| Graduation Interval | 50 Milliliters |
| Manufacturer | FZN |
| Manufacturer Part Number | Neck Round FLASK-$01 |
| Material | Glass |
| Material Type | Glass |
| Model Number | TWO NECK FLASK |
| Unit Count | 50.00 Milliliters |
| Whats in the box? | Round Bottom Flask |

## Product Details

- **Bottom Shape:** Round
- **Brand:** FZN
- **Capacity:** 50 Milliliters
- **Graduation Interval:** 50 Milliliters
- **Manufacturer:** FZN
- **Material:** Glass

## Images

![FZN 2 Neck Round 50 ML Bottom Boiling Flask with 24/40 Center & Side Joints Angled Receiving Reflux Flask Multi Neck Apparatus Organic Chemistry Lab Glassware - Image 1](https://m.media-amazon.com/images/I/41yJ-aLalnL.jpg)
![FZN 2 Neck Round 50 ML Bottom Boiling Flask with 24/40 Center & Side Joints Angled Receiving Reflux Flask Multi Neck Apparatus Organic Chemistry Lab Glassware - Image 2](https://m.media-amazon.com/images/I/41Ky8YLgrRL.jpg)
![FZN 2 Neck Round 50 ML Bottom Boiling Flask with 24/40 Center & Side Joints Angled Receiving Reflux Flask Multi Neck Apparatus Organic Chemistry Lab Glassware - Image 3](https://m.media-amazon.com/images/I/415-0T26kAL.jpg)
![FZN 2 Neck Round 50 ML Bottom Boiling Flask with 24/40 Center & Side Joints Angled Receiving Reflux Flask Multi Neck Apparatus Organic Chemistry Lab Glassware - Image 4](https://m.media-amazon.com/images/I/51IwYEyUVML.jpg)
![FZN 2 Neck Round 50 ML Bottom Boiling Flask with 24/40 Center & Side Joints Angled Receiving Reflux Flask Multi Neck Apparatus Organic Chemistry Lab Glassware - Image 5](https://m.media-amazon.com/images/I/41zz2CIsf1L.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality
*by M***. on 22 November 2023*

This is a heavy duty high quality glassware product. I'm delighted that I made the purchase.

### ⭐⭐⭐⭐⭐ Great build
*by R***. on 21 November 2023*

These round bottoms flask are very good , neck size was perfect

### ⭐⭐⭐⭐⭐ Superb
*by G***V on 11 November 2023*

Top grade 2 neck round bottom, a fantastic purchase

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-05-15*