
Fast, Safe Delivery
90% of orders are delivered
next-day by ADR-approved couriers
Quality Accredited
Accredited to ISO 9001, ISO 14001,
ISO 13485 and ISO 45001
Free Support
Free pre- and post-sales technical support from our expert team
Why Buy Caustic Soda 10% w/w Online from UK Chemical Suppliers, ReAgent Chemicals?
We supply Caustic soda 10% w/w in 5L containers, with discounts available for bulk buyers with orders above 4 items. We also offer further options with all our products, including bulk quantities and different grades. Contact us for further details.Caustic Soda as a Cleaning Agent
Caustic soda – sodium hydroxide (NaOH) – is commonly used as a cleaning agent, both in industrial settings as well as at home. In a large scale, it’s typically used diluted in warm water, to remove protein, fat, grease and oil deposits. These properties make it ideal in many different applications, from cleaning large tanks to delicate equipment.At home, it’s a popular product to unblock clogged pipes and drains or degrease stained ovens and cookers. In this case, most people opt for products presented as a thick liquid gel, which are easier to apply.How Does it Work?
Caustic soda is such a powerful degreaser as it not only can convert fat into soluble products, which can be removed with water, but it also breaks down protein (such as in hair). These reactions are greatly enhanced by heat, when caustic soda is dissolved in hot water.Safety
Caustic soda-based products, can be extremely corrosive and therefore should be handled with care at all times. This compound was used in the past as a paint stripper, but it was quickly replaced by safer and more efficient options, because it can seriously damage the wood. It is important to emphasise that this products should always be kept away from children and pets.Fast Delivery
All our products come with a 100% quality guarantee and are usually shipped within 24 hours. A member of our customer service team will be glad to help you before, during and after your purchase.Please note: we only deliver to registered UK businesses at non-residential addresses with a minimum order value of £100 before VAT
We only supply to mainland UK, contact us on 0800 9555 798 for rates to Ireland.Please notify us if you have specific delivery requirements such as restricted access, requirement for a tail-lift delivery vehicle or pallet truck. Failure to notify us of a special delivery instructions can incur additional charges from our carriers.Need Bespoke Chemicals?

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Caustic Soda 10% w/w Specification
| Description | Limits | Units |
|---|---|---|
| Twaddell @ 20°C | 21.5 - 22.5 | °Tw |
| Sodium Hydroxide | 9.5 - 10.5 | % w/w |
| Wt/ml | 1.1045 - 1.1155 | g |
Caustic Soda 10% w/w Hazards
| Signal Word |
|---|
| Danger |
| BulkCode | Hazard Statement | Description |
|---|---|---|
| 0368 | H314 | Causes severe skin burns and eye damage. |
| 0368 | H290 | May be corrosive to metals. |
| 0368 | H290 | May be corrosive to metals. |
| 0368 | H314 | Causes severe skin burns and eye damage. |
Caustic Soda 10% w/w Safety & Storage
| BulkCode | Precautionary Statement | Description |
|---|---|---|
| 0368 | P280 | Wear protective gloves/ protective clothing/ eye protection/ face protection. |
| 0368 | P303+P361+P353 | IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower. |
| 0368 | P305+P351+P338 | IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| 0368 | P501 | Dispose of contents/ container in accordance with local regulations. |
| 0368 | P310 | Immediately call a POISON CENTER/ doctor. |
| 0368 | P406 | Store in corrosive resistant container with a resistant inner liner. |
| 0368 | P280 | Wear protective gloves/ protective clothing/ eye protection/ face protection. |
| 0368 | P303+P361+P353 | IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. |
| 0368 | P305+P351+P338 | IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| 0368 | P310 | Immediately call a POISON CENTER/ doctor. |
| 0368 | P501 | Dispose of contents/ container in accordance with local regulations. |
Caustic Soda 10% w/w SDS
| Product ID | post_title | post_status | Bulk | SDSPath |
|---|
Caustic Soda 10% w/w Delivery

| ProductNumber | Shipping Statement | Description |
|---|---|---|
| 368 | Signal Word | Danger |
| 368 | UN Number | 1824 |
| 368 | ADR/RID Shipping Name | SODIUM HYDROXIDE SOLUTION |
| 368 | ADR/RID Shipping Class | 8 |
| 368 | ADR/RID Packing Group | II |
| 368 | Signal Word | Danger |
| 368 | ADR/RID Shipping Class | 8 |
Delivery FAQs
How do you calculate your delivery costs?
As many of the chemicals we supply are hazardous, we are legally obligated to use ADR licensed couriers who are specialists in carrying such goods. These specialist couriers cost more than regular delivery services, but your order will arrive safely and legally.
What is an ADR courier?
An ADR courier is specially trained and licensed to carry chemicals that are classed as hazardous for transport.
Can I collect my items from your warehouse?
Yes, but please contact us to prearrange this. Depending on the quantity of hazardous chemicals you want to collect, you may need to have applicable training or a current ADR licence to legally transport them away from our premises. We may not able to release goods without proof of this.
Can you deliver directly to my customers?
Yes, we can deliver directly to your customers with a delivery note that excludes invoice details, and we can add your logo and branding to the product labels. Contact us for more information.
How do I find out the delivery cost for my order?
If you want to find the exact delivery charge for an item or order, simply add the item or items you’re interested in to your basket and the delivery charge as well as any VAT will be calculated and itemised for you. No card details are taken at this point so you’re under no obligation to make a purchase.
How long does delivery take?
Firm delivery date within 24 hours. We always dispatch orders as soon as possible but please note that non-stock items can take around 5 days to reach you. Please contact us before ordering if you require an estimated delivery date or see our delivery information for more information.
Do you deliver on bank holidays?
Unfortunately not, our couriers only deliver on working days from Monday to Friday.
Can you ship to locations outside of mainland UK?
We cannot accept overseas orders on our website, however in some cases we are able to ship outside of mainland UK. Please contact us for further information.
Can I have a timed delivery slot?
We can offer an AM delivery service for some regions of the UK, please contact us for information before placing your order.
Caustic Soda 10% w/w FAQs
Do you offer discounts for bulk purchases of caustic soda?
Yes, we offer bulk discounts for caustic soda. Bulk discounts are automatically applied to orders placed online, or you can contact our sales team for bulk purchase pricing.Is caustic soda available in powder form?
No. We supply caustic soda in pearls and pellets. Pearls are smaller grains of 1-2 mm in diameter. Pellets are larger, at 4-5mm in diameter.What are the current availability and lead times for caustic soda?
Almost 90% of our orders are delivered next-day by ADR-approved couriers. Delivery times may vary depending on your location and order size. Please contact our sales team on 0800 9555 798 for your estimated delivery time.What are your delivery options for caustic soda?
We can supply caustic soda by road or sea freight, or you can collect your order from our manufacturing facility in Runcorn, Cheshire.Can you ship caustic soda internationally?
Yes, we can ship caustic soda internationally. It is classed as hazardous and needs to be packaged and shipped accordingly.
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