---
product_id: 67716728
title: "GFS Chemicals 53831 4-(P-Nitrophenylazo)-Resorcinol, 25 g"
brand: "gfs chemicals inc"
price: "$155.58"
currency: USD
in_stock: false
url: https://www.desertcart.us/products/67716728-gfs-chemicals-53831-4-p-nitrophenylazo-resorcinol-25-g
store_origin: US
region: United States of America
---

# 25g Package Size Azo Violet Sensitivity Visual Transition pH GFS Chemicals 53831 4-(P-Nitrophenylazo)-Resorcinol, 25 g

**Brand:** gfs chemicals inc
**Price:** $155.58
**Availability:** ❌ Out of Stock

## Summary

> 🔬 Unlock the Science of Color Change!

## Quick Answers

- **What is this?** GFS Chemicals 53831 4-(P-Nitrophenylazo)-Resorcinol, 25 g by gfs chemicals inc
- **How much does it cost?** $155.58 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/67716728-gfs-chemicals-53831-4-p-nitrophenylazo-resorcinol-25-g)

## Best For

- gfs chemicals inc enthusiasts

## Why This Product

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

## Key Features

- • **📈 Boost Your Research:** Elevate your analytical capabilities with this essential reagent.
- • **🌈 Vibrant Color Change:** Witness a stunning yellow-violet transition at pH 11.0-13.0.
- • **🔍 Precision in Testing:** Perfect for accurate magnesium sensitivity assessments.
- • **🧪 High Purity Guaranteed:** Ensures reliable results in your experiments.
- • **📊 Ideal for Professionals:** Designed for lab environments and serious researchers.

## Overview

GFS Chemicals 53831 4-(P-Nitrophenylazo)-Resorcinol is a high-purity azo dye reagent, packaged in a convenient 25g size, ideal for testing magnesium sensitivity with a striking visual transition from yellow to violet at pH levels between 11.0 and 13.0.

## Description

53831 4-(P-Nitrophenylazo)-Resorcinol, 25 g

## Features

- Azo Violet
- Sensitivity to magnesium -pass test
- Visual transition pH 11.0-13.0, yellow-violet

## Images

![GFS Chemicals 53831 4-(P-Nitrophenylazo)-Resorcinol, 25 g - Image 1](https://m.media-amazon.com/images/I/41ArXqJ0rKL._AC_UL320_.jpg)
![GFS Chemicals 53831 4-(P-Nitrophenylazo)-Resorcinol, 25 g - Image 2](https://m.media-amazon.com/images/I/41ArXqJ0rKL._AC_UL480_FMwebp_QL65_.jpg)
![GFS Chemicals 53831 4-(P-Nitrophenylazo)-Resorcinol, 25 g - Image 3](https://m.media-amazon.com/images/I/41ArXqJ0rKL._AC_UL640_FMwebp_QL65_.jpg)
![GFS Chemicals 53831 4-(P-Nitrophenylazo)-Resorcinol, 25 g - Image 4](https://m.media-amazon.com/images/I/41ArXqJ0rKL._AC_UL800_FMwebp_QL65_.jpg)
![GFS Chemicals 53831 4-(P-Nitrophenylazo)-Resorcinol, 25 g - Image 5](https://m.media-amazon.com/images/I/41ArXqJ0rKL._AC_UL960_FMwebp_QL65_.jpg)

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---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-02*