Sodium hydroxide (caustic soda)
HS code 281511Formula NaOH
Caustic soda is the most used alkali in industry: pulp and paper, soap and detergents, chemical manufacturing and pH control in water. In drilling fluids it sets pH and alkalinity. We trade white flakes of min. 98 % NaOH, and liquid caustic soda in drums.
- Paper and pulp processing
- Chemical manufacturing
- pH control in water
- Soap and detergent production
Specification
| Property | Specification |
|---|---|
| NaOH (as is) | ≥ 98 % wt |
| NaOH (dry basis) | ≥ 99.5 % wt |
| NaCl | ≤ 0.01 % wt |
| Na₂CO₃ | ≤ 0.4 % wt |
| Na₂SO₄ | ≤ 0.01 % wt |
| Fe | ≤ 5 ppm wt |
| Ni pick-up | ≤ 3 ppm wt |
| SiO₂ | ≤ 0.02 % |
| NaClO₃ | < 5 ppm wt |
| Hg | Nil |
| Heavy metals (as Pb) | < 10 ppm |
| Flake thickness | 0.8-1 mm |
Typical values from current supply. The binding values are those on the contract and the Certificate of Analysis for each lot.
Available forms
- White flakes
- Transparent liquid
Grades
- Flakes, purity min. 98 %
- Liquid, min. 38 %
Packaging
- 25 kg woven PP bags with liner, palletised
- 25 kg woven PP bags with liner in jumbo bags
- 220 l drums, palletised (liquid)
Main applications
- Oilfield drilling additive
- Pulp and paper industry
- Water treatment
- Soap and detergent manufacturing
Trade terms
- Supply in 20' and 40' containers, or in bulk where noted
- Every bag labelled with batch number and net weight
- Certificate of Analysis (COA) with each shipment
- Technical data sheet (TDS) and MSDS on request
- Free samples for qualification
- FOB or CFR offers, lot sizes to suit your programme
Values that set the price
- Flakes or liquid
- Bag or drum packing
- Lot size and loading port
- Destination port for CFR offers
Ask for a price on Sodium hydroxide (caustic soda)
Send grade, quantity, packaging and destination port. We reply with an offer and the matching data sheet.