---
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: "€ 69.55"
currency: EUR
in_stock: true
reviews_count: 8
category: "Fzn"
url: https://www.desertcart.pt/products/529540987-fzn-2-neck-round-50-ml-bottom-boiling-flask-24
store_origin: PT
region: Portugal
---

# 24/40 leak-proof standard 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:** € 69.55
**Availability:** ✅ In Stock

## Summary

> 🧬 Elevate your lab game with precision and durability that professionals trust!

## 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?** € 69.55 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/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

- • **Thermal Resilience:** Round-bottom design evenly distributes heat and stress, minimizing risk of shattering under vacuum.
- • **Lab-Grade Durability:** Crafted from premium borosilicate glass for unmatched strength and reusability.
- • **Universal Compatibility:** Equipped with standard 24/40 taper joints for seamless integration with your existing apparatus.
- • **Precision Volume Control:** Clearly marked 50 mL capacity ensures exact measurements every time.
- • **Versatile Chemistry Essential:** Ideal for distillation, reflux, and vacuum applications in advanced organic chemistry setups.

## Overview

The FZN 2 Neck Round 50 mL Bottom Boiling Flask is a premium borosilicate glass apparatus featuring a robust round-bottom design and dual 24/40 standard taper joints. Engineered for heat resistance and precise volume measurement, it’s perfect for organic chemistry distillation and reflux processes, delivering reliable performance in demanding lab environments.

## 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 | #47,052 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #14 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 |
| Number of Items | 1 |
| 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)

## 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 Portugal*
*Store origin: PT*
*Last updated: 2026-10-21*