Due to incorrect shipping choices being made this product will now have shipping calculations done manually. We will contact you with additional freight charges. Only one container of this product may be shipped per order.
Caustic Soda is used to make cold process bar soap. We have labelled ours 98% pure to allow for the absorption of atmospheric moisture.
Only 25kg bags are food grade for those who wish to use it for such purposes.
CAS Number: 1310-73-2
**Note: 25 kg Bags can be shipped via TNT Road Express however TNT charge an extra fee of $60 for dangerous goods shipping. If you require a 25kg bag, we are able to send this out at this extra cost. We have put the $60 fee on the 25kg product, however the shipping cost will still be manually calculated and we will contact you with additional freight charges. To avoid this fee, you can collect from our Penrith store. Please click here to see this product.