---
product_id: 253340101
title: "CaUStic Soda (Sodium Hydroxide) 5Kg Bag -"
brand: "ast"
price: "฿4070"
currency: THB
in_stock: true
reviews_count: 8
category: "Ast"
url: https://www.desertcart.co.th/products/253340101-caustic-soda-sodium-hydroxide-5kg-bag
store_origin: TH
region: Thailand
---

# 5 Kg Bulk - Generous quantity for soap making 99% Purity - Industry-grade alkali Multi-Industry Use - From soap to water treatment CaUStic Soda (Sodium Hydroxide) 5Kg Bag -

**Brand:** ast
**Price:** ฿4070
**Availability:** ✅ In Stock

## Summary

> 🧪 Elevate your craft with AST Caustic Soda — where purity meets power!

## Quick Answers

- **What is this?** CaUStic Soda (Sodium Hydroxide) 5Kg Bag - by ast
- **How much does it cost?** ฿4070 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/253340101-caustic-soda-sodium-hydroxide-5kg-bag)

## Best For

- ast enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Safety First:** Recommended use with gloves and goggles to keep your workspace safe while handling this powerful chemical.
- • **Proven Customer Satisfaction:** Highly rated with a 4.2-star average from 112 reviews, trusted by professionals and hobbyists alike.
- • **Versatility Across Industries:** Perfect for applications in soap making, pulp & paper, petroleum, water treatment, and more—your all-in-one alkali solution.
- • **Bulk Supply for Serious Makers:** Generous 5 kg packaging designed for professionals and enthusiasts who demand volume and value.
- • **Purity That Powers Performance:** 99% purified sodium hydroxide ensures consistent, high-quality results in soap and detergent production.

## Overview

AST Caustic Soda (Sodium Hydroxide) 5Kg Bag is a 99% pure, industrial-grade alkali widely used in soap making, water treatment, and multiple manufacturing sectors. Originating from India, this bulk powder format offers professional-grade quality trusted by over 100 customers with a strong 4.2-star rating. Ideal for those who demand reliability and versatility in their chemical supplies.

## Description

CaUStic Soda (Sodium Hydroxide) 5Kg Bag - Ast

Review: ممتاز
Review: Good product i recommend - Very generous quantity and soap always turns out great

## Features

- Caustic soda (sodium hydroxide) is a versatile alkali. Its main uses are in the manufacture of Soap and detergents, Pulp and Paper, Alumina, Petroleum products and Chemical production. Other applications include water treatment, food, textiles, metal processing, mining, glass making and others.
- 99% purified product and best for soap making,Be wear hand glove and goggles for safety while using the product for soap making.
- Use of caustic soda. Mainly using for soap making and reacts with blocking your toilet from draining. ... Pour the solution into the toilet and close the lid. Let it sit for several hours (or even overnight for a severe blockage) before washing it out carefully using two buckets of hot water.
- Caustic Soda Lye is one of the most widely used chemicals in the industry. Caustic soda is a solution of Sodium hydroxide (NaOH) in water. It is a strong base with a wide range of applications in different industries.
- Food preparation Food uses of sodium hydroxide include washing or chemical peeling of fruits and vegetables, chocolate and cocoa processing, caramel coloring production, poultry scalding, soft drink processing, and thickening ice cream. Olives are often soaked in sodium hydroxide for softening; Owing to the difficulty in obtaining food grade sodium hydroxide in small quantities for home us, sodium carbonate is often used in place of sodium hydroxide. It is known as E number E524

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07N6MJPC4 |
| ASIN  | B07N6MJPC4 |
| Brand | AST |
| Country of origin | India |
| Country of origin  | India |
| Customer Reviews | 4.2 4.2 out of 5 stars (112) |
| Customer reviews | 4.2 4.2 out of 5 stars (112) |
| Date First Available | 28 January 2019 |
| Format | Powder |
| Manufacturer  | AST |
| Package Dimensions  | 25.6 x 23.6 x 8 cm; 5 kg |
| Units | 1 Count |
| Weight | 5 Kilograms |

## Product Details

- **Brand:** AST
- **Item form:** Powder
- **Material features:** Non-Toxic
- **Scent:** Aloe Vera
- **Specific uses for product:** Toilet

## Images

![CaUStic Soda (Sodium Hydroxide) 5Kg Bag - - Image 1](https://m.media-amazon.com/images/I/51sDClMmKsL.jpg)

## Questions & Answers

**Q: Do you have 0.5kg or 1kg pack?**
A: 1Kg and 2Kg Pack is coming soon

**Q: هل  الصودا قشور او حبيبات**
A: حبيبات

**Q: ما تاريخ انتهاء الصلاحية للمنتج؟**
A: لا يوجد تاريخ

**Q: ?Is the price of 5 kg is 53 dirhams**
A: I cannot remember the price but the pack is 5kg

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by F***A on 24 November 2025*

ممتاز

### ⭐⭐⭐⭐⭐ Good product i recommend
*by M***A on 23 June 2020*

Very generous quantity and soap always turns out great

### ⭐⭐⭐⭐ Not as per weight
*by J***E on 31 December 2021*

The product seems good.. but it's definitely not 5 kgs. I transferred into a 3.8 kg container and it all fit..😂

## Frequently Bought Together

- AST CaUStic Soda (Sodium Hydroxide) 5Kg Bag -
- BioChemixHIPURE Distilled Water 5000ml

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**Shop now:** [https://www.desertcart.co.th/products/253340101-caustic-soda-sodium-hydroxide-5kg-bag](https://www.desertcart.co.th/products/253340101-caustic-soda-sodium-hydroxide-5kg-bag)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-17*