Caustic Soda
Caustic Soda
UD Trading is a caustic soda supplier in Australia, supplying caustic soda as white flakes or pearls in 25 kg bags. Every batch comes with a Certificate of Analysis and is supplied against a controlled specification and Safety Data Sheet.
Product Specifications
- Chemical Name: Sodium Hydroxide
- Chemical Formula: NaOH
- Other Names: Lye, Sodium Hydrate, Caustic Soda
- CAS No: 1310-73-2
Applications of caustic soda
- Alkali and pH control in water treatment
- pH control in drilling fluids
- Cleaning products and chemical manufacture
Why buy from a caustic soda supplier in Australia with ISO 9001 systems
Caustic soda is a corrosive dangerous good, so correct documentation and packaging matter as much as purity. Our quality system is ISO 9001:2015 certified and our Brisbane-based team supports customers across Australia. See all our general industrial chemicals or contact us for a quote. Chemical identity reference: CAS 1310-73-2 on CAS Common Chemistry.
Caustic Soda FAQ
What is caustic soda?
Caustic soda is sodium hydroxide (NaOH), a strong alkali.
How is it packed?
25 kg bags of flakes or pearls.
Is caustic soda dangerous goods?
Caustic Soda is classified as dangerous goods: UN 1823, Class 8, Packing Group II. Follow the SDS for handling and storage.
Product Overview
Caustic Soda (CAS 1310-73-2), also known as Sodium hydroxide, Caustic soda flakes/pearls/prills, Lye, Sodium hydrate. Appearance: white flakes / pearls. Typical uses include: alkali / pH control; drilling fluids; cleaning; chemical manufacture; water treatment. UD Trading supplies Caustic Soda in 25 kg Bag, backed by a controlled product specification and Safety Data Sheet, with a Certificate of Analysis for every batch.
Additional Product Specifications
- Appearance: White flakes / pearls (Visual)
- Sodium hydroxide (NaOH): ≥ 99.0 % (Titration)
- Sodium carbonate (Na2CO3): ≤ 0.5 % (Titration)
- Sodium chloride (NaCl): ≤ 0.05 % (Titration)
- Iron (Fe2O3): ≤ 10 mg/kg (ICP-OES)
- Sulphate (Na2SO4): ≤ 0.02 % (Turbidimetric)
- Product code: NAOH
- Packaging: 25 kg Bag
- Dangerous goods: UN 1823, Class 8, Packing Group II
Typical properties and acceptance criteria per UDT_SPEC_Caustic Soda_v01. Refer to the batch Certificate of Analysis for actual results.
Applications of Caustic Soda
Caustic Soda is used across a range of applications.
- Alkali / pH control
- Drilling fluids
- Cleaning
- Chemical manufacture
- Water treatment
Why Choose UD Trading for Caustic Soda
UD Trading supplies Caustic Soda with full quality documentation.
- Controlled specification and Safety Data Sheet, reviewed under our document control system.
- Certificate of Analysis supplied with every batch.
- Brisbane-based team supporting customers across Australia.
Product Documents
Download Specification Download SDSA Certificate of Analysis (COA) is supplied with every batch.
Contact UD Trading for Caustic Soda
Contact us for pricing, availability and documentation for Caustic Soda. Call 07 3040 7298 or email sales@udtrading.com.au.

