---
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: "€ 15.63"
currency: EUR
in_stock: true
reviews_count: 8
category: "Fzn"
url: https://www.desertcart.hr/products/529540987-fzn-2-neck-round-50-ml-bottom-boiling-flask-24
store_origin: HR
region: Croatia
---

# 24/40 standard taper joints Heat-resistant borosilicate glass 50ml 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:** € 15.63
**Availability:** ✅ In Stock

## Summary

> 🧪 Elevate your organic chemistry game with precision and durability!

## 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?** € 15.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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

- • **Dual Neck Design:** Versatile 24/40 center & side joints for complex multi-step reactions
- • **Universal Compatibility:** Standard taper joints fit seamlessly with most lab apparatus
- • **Precision Volume Markings:** Accurate 50ml capacity for exact experimental control
- • **Heat-Resilient Round Bottom:** Even heat distribution minimizes risk of shattering under vacuum
- • **Lab-Grade Borosilicate Glass:** Durable, thick-walled, and reusable for long-term reliability

## Overview

The FZN 2 Neck Round 50 ML Bottom Boiling Flask is a premium borosilicate glass apparatus designed for organic chemistry applications. Featuring a heat-resistant round bottom and dual 24/40 standard taper joints, it ensures even heat distribution and versatile connectivity for distillation and reflux setups. Its 50ml capacity with clear volume markings makes it ideal for precise lab experiments, combining durability with professional-grade performance.

## 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 | #36,048 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #9 in Lab Boiling Flasks |
| Brand | FZN |
| Colour | Transparent |
| Country of Origin | India |
| Customer Reviews | 4.9 4.9 out of 5 stars (16) |
| Date First Available | 14 March 2023 |
| Included Components | Round Bottom Flask |
| Item Dimensions LxWxH | 15 x 15 x 10 Centimeters |
| Item Height | 10 Centimeters |
| Item Width | 15 Centimeters |
| Item model number | TWO NECK FLASK |
| Manufacturer | FZN |
| Model number | TWO NECK FLASK |
| Net Quantity | 50.00 Milliliters |
| Number of Memory Sticks | 1 |
| Product Dimensions | 15 x 15 x 10 cm |

## 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

## Frequently Bought Together

- 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
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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-02*