Caustic Soda Flakes 99% Supplier
- Product:
- Caustic Soda Flakes / Sodium Hydroxide Flakes
- Molecular Formula:
- NaOH
- Purity:
- NaOH ≥99%
- Appearance:
- White flakes
- CAS No.:
- 1310-73-2
- Packaging:
- 25 kg bags / jumbo bags / export packing
- Documents:
- TDS / SDS / batch COA subject to inquiry
- Transport:
- Corrosive; confirm current SDS and route requirements
Caustic Soda Flakes 99% Supplier for Industrial Buyers
YuXing coordinates the supply of caustic soda flakes 99%, also called sodium hydroxide flakes, for mining, metallurgy, industrial water treatment, chemical production, paper, textile and detergent applications. The reference grade is a white flake material with NaOH ≥99%; final limits, packing and batch acceptance must be confirmed against the approved specification and batch COA.
For an accurate quotation, provide the required purity or specification, application, quantity, packaging and destination port. YuXing will confirm the available source, current TDS/SDS, batch-document scope, packing and shipping basis for the inquiry. No price or delivery time is assumed on this page.
Caustic Soda Flakes Specifications (NaOH ≥99%)
| Item | Unit | Specification |
|---|---|---|
| Sodium Hydroxide (NaOH) | % | ≥99 |
| Sodium Carbonate (Na₂CO₃) | % | ≤1.0 |
| Sodium Chloride (NaCl) | % | ≤0.08 |
| Iron Oxide (Fe₂O₃) | % | ≤0.01 |
| Appearance | - | White flakes |
How Caustic Soda Works in Industrial Processes
Caustic soda, also called sodium hydroxide, is a strong alkali used where high pH, fast neutralization and reliable dissolution are required. NaOH flakes are commonly selected for export because they are easier to pack, store and ship than liquid caustic soda.
In production systems, caustic soda flakes help raise pH, neutralize acidic streams, dissolve grease or oil residues, support metal surface treatment and adjust wastewater conditions before further treatment. For a milder alkaline material, compare with sodium bicarbonate.
Applications of Caustic Soda Flakes
YuXing supplies caustic soda flakes for buyers that need stable NaOH content, export-ready packaging and document support for industrial use.
- Mining and metallurgy: pH adjustment, acid neutralization, cleaning and process alkalinity control.
- Water treatment: pH correction and alkaline adjustment in industrial wastewater systems.
- Chemical production: alkali source for synthesis, neutralization and manufacturing processes.
- Paper, textile and detergent industries: pulping, scouring, cleaning and formulation support.
For related alkali products, browse our industrial alkalis catalog. Mining buyers can also review the mining chemicals range for complementary process reagents.
Caustic Soda Procurement Checklist
| Buyer input | Information to provide | Reason for confirmation |
|---|---|---|
| Grade and purity | NaOH target and impurity limits | Matches the offered specification and batch acceptance |
| Application | Mining, water treatment, chemical production, paper, textile or cleaning | Supports product and document review |
| Packaging | 25 kg bags, jumbo bags, palletization or project requirement | Defines handling and container-loading requirements |
| Quantity and destination | Order volume, delivery frequency, country and port | Defines the quotation and logistics basis |
| Required documents | TDS, current SDS/MSDS, batch COA and shipping documents | Confirms the compliance and approval workflow |
Packaging, Storage & Export Documents
Caustic soda flakes are hygroscopic and corrosive. Packaging should protect the product from moisture and support safe handling during storage, container loading and destination-port delivery.
- Common packaging: 25 kg bags, jumbo bags, palletized packing or project-based export packing.
- Storage: keep sealed in a dry, ventilated warehouse and avoid acids, moisture and incompatible materials.
- Documents: TDS, MSDS and batch COA are available on request through the contact page.
How to Choose a Caustic Soda Supplier
For bulk caustic soda procurement, buyers should confirm more than the quoted price. The practical risks are usually purity consistency, moisture protection, bag strength, correct hazard documentation and whether the supplier can coordinate shipment information clearly.
YuXing supports industrial buyers with specification confirmation, export packing communication, document coordination and quotation based on quantity, destination port and application requirements.
Frequently Asked Questions
Is caustic soda the same as sodium hydroxide?
Yes. Caustic soda is the common industrial name for sodium hydroxide. Its molecular formula is NaOH, and the CAS number is 1310-73-2.
What is caustic soda flakes 99% used for?
Caustic soda flakes 99% are used for pH adjustment, acid neutralization, water treatment, mining and metallurgy processes, chemical production, textile processing, paper production and industrial cleaning.
What is the HS code and hazard class for caustic soda?
Caustic soda flakes are corrosive. A commonly referenced tariff classification is HS 281511, but the final tariff code, transport name, hazard classification and documentation must be confirmed against the current SDS, shipment route and destination requirements.
What packaging is available for caustic soda flakes?
Common export packaging includes 25 kg bags, jumbo bags, palletized packing and project-specific export packing. Final packaging should be confirmed according to quantity, shipment route and buyer requirements.
Can YuXing provide TDS, MSDS and COA?
Yes. YuXing can provide TDS, MSDS and batch COA on request for qualified industrial buyers after receiving product specification, application, quantity and destination-port information.
How can I get a caustic soda quotation?
Submit your application, required quantity, destination port and packaging preference through the contact page. YuXing will provide a formal quotation and available technical documents.
Shipment Photo:

Request a Quote
If you need caustic soda flakes NaOH ≥99% for mining, metallurgy, chemical synthesis, water treatment or general industrial use, contact YuXing with your required quantity, destination port, packaging preference and application details.
Product Information Notice
- The values shown are typical reference information and are not a guaranteed sales specification. Final specifications are subject to the confirmed product, grade and batch COA.
- Packaging, transport method and hazard classification must be confirmed according to product grade, order quantity, destination regulations, shipping route and the current SDS.
- TDS, SDS/MSDS and COA files are provided according to product, batch and destination requirements. Public documents should not be treated as final delivery documents unless issued for the current batch.
- This page is for procurement discussion and technical selection reference only. It does not replace safety, regulatory, process design or site operating advice. Users must follow local regulations and the latest SDS.
