
Purified Water
£15.37 – £1,015.38

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
Buy Purified Water from Trusted UK Chemical Suppliers
ReAgent is a leading UK chemical manufacturer and specialised purified water supplier. There are a number of grades of water that are available commercially. The grades most widely supplied by ReAgent include: In addition to regular in-house chemical testing, third-party microbiology testing is essential to our production regime and this is carried out on a weekly basis. All of our purified water is produced to our ISO 9001 Quality Standard and various other accredited systems, including the ISO 14001, ISO 45001, and ISO 13485. This means that when you buy purified water from us, you can feel reassured that you’re buying from industry-leading professionals.Purified water is available to purchase from our online shop, where we offer a huge variety of pack sizes and discounts on bulk orders. Whether you’re looking for distilled water, or want to go a step further with ultrapure water, ReAgent has the product for you. Place your order today, or contact us for more information.Watch Our Purified Water Video
How can we help you? Watch this short video to find out
How Is Water Purified?
As trusted purified water suppliers, we understand the importance of next level quality. Our water purification process ensures this at every step. Here’s how it works:Deionisation of Water
We start off with common tap water from the mains supply. First of all, the organic material is removed using a special resin. We then pass the water through a Twin-Bed Deionizer, where dual tank systems remove first the cations, then the anions. This reduces the maximum level of impurities in the water to 10 µ per cm. However, it is typically much lower – around 1µ per cm. This first part of the process produces water of deionised quality and provides the starting material for the next stage of the purification process.Final Steps
The deionised water is passed through a Mixed Bed Resin, where impurities are reduced to > 0.05 µ per cm. Ultra Violet Treatment follows, where the water is passed through a strong UV Light to remove any remaining traces of microorganisms. In the final stage, filtration is carried out using a 0.2 micron filter. After this stage, the water is purified.Purified Water Plant
ReAgent’s purified water plant is split into two systems: a deionised water ring main and a high purity ring main. Our water plant has a maximum capacity of over 10,000 litres per hour. This means that we have the ability to fill 3 x 25,000 road tankers in a day, allowing us to fulfil large orders quickly and efficiently.Buy From UK Purified Water Suppliers
At ReAgent, deionised water is the lowest quality water we will use in any product. We use purified water for many of the solutions we manufacture, including pharmaceutical grade products. As one of the UK’s leading purified water suppliers, we understand the importance of uncompromising quality to our customers.We will discuss in detail your specific requirements to ensure that you receive exactly what you require. Our flexible manufacturing techniques enable us to offer a very personal service to customers, not just for purified water but for a wide range of chemicals, buffers, reagents, standard solutions, bespoke chemical mixes, and blends.Contact Us For Your Purified Water Requirements
We can supply a wide range of pack sizes (1L to 1000L) and are ready to discuss your specific requirements for purified water.Alternatively, if you would like to discuss your requirements with one of our experts, please be assured that our knowledgeable and professional Technical Sales Team have a wealth of experience in advising customers as to which grade or type of purified water they should use. All our technical advice and support is free of charge – this is just part of the service at ReAgent.If you’re looking to buy purified water, please contact us using the form below to discuss availability of different grades as well as any bespoke requirements you have. We look forward to hearing from you the next time you need to buy purified water.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?

Watch this video to find out how ReAgent can help


Purified Water Specification
| Description | Limits | Units |
|---|---|---|
| H₂O | M.W. 18.01 | |
| Conductivity | <0.2µs/cm | (When packed but will increase on storage) |
| Chloride | <1 | ppm |
| pH | 5 - 8 | |
| Total Chlorine | <0.5 | ppm |
| Free Chlorine | <0.5 | ppm |
| Nitrate NO3 | <0.5 | ppm |
| Nitrite NO2 | <0.15 | ppm |
| Resistivity | 5 - 19 | Mohms |
Purified Water Hazards
| Signal Word |
|---|
| BulkCode | Hazard Statement | Description |
|---|---|---|
| 1232 | NC | Not Classified |
Purified Water Safety & Storage
| BulkCode | Precautionary Statement | Description |
|---|
Purified Water Delivery
| ProductNumber | Shipping Statement | Description |
|---|---|---|
| 1.232 | CAS Number | 7732-18-5 |
| 1.232 | EC Number | 231-791-2 |
| 1.232 | ADR/RID Shipping Name | Not classified |

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.
Purified Water FAQs
Is your purified water suitable for home drinking use?
We do not recommend drinking our purified water.How can I place an order for purified water?
You can place an order for purified water at the top of this page or by calling our friendly sales team on 0800 9555 798.What is the minimum order quantity for purified water?
There is a £100 minimum order requirement for all products excluding VAT and shipping.What grades of purified water do you offer?
Do you provide a Certificate of Analysis (COA) with your purified water?
We can supply a Certificate of Analysis for purified water upon request.How can I get a quote for a large order of purified water?
You can get a quote at the top of this page or by contacting our friendly sales team on 0800 9555 798.Are there any discounts available for bulk purchases of purified water?
Yes, we offer bulk discounts for purified water. Bulk discounts are automatically applied to orders placed online, or you can contact our sales team for bulk purchase pricing.What are the delivery lead times for purified water?
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.
We Also Supply
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Browse Our Most Popular Chemicals (A-Z)
Can’t find what you need? Call 0800 9555 798 or Contact Us
Popular Chemicals (A-Z)
Can’t find what you need? Call 0800 9555 798 or Contact Us
Absolute Ethanol
Acetic Acid (CH3COOH)
Acetone
Ammonia Solutions (NH4OH)
Butanone
Caustic Soda
Citric Acid (C6H8O7)
Deionised Water
Demineralised Water
Denatured Alcohol IMS
Dichloromethane (CH2Cl2)
Distilled Water
EP Water
Ethanediol
Ethanoic Acid
Ethyl Acetate (C4H8O2)
Ethyl Alcohol
Ethyl Ethanoate
Ethylene Glycol
Glycerol / Glycerine / Glycerin
Hydrochloric Acid (HCL)
Hydrogen Peroxide (H2O2)
Industrial Methylated Spirits
Isopropyl Alcohol
Laboratory Water (Grade 3)
Methanol (MeOH)
Methyl Ethyl Ketone Tech (MEK)
Methylene Chloride
Mixed Alcohol Solvent ASTM
Monoethylene Glycol
Monopropylene Glycol
Muriatic Acid
Nital Solution
Nitric Acid (HNO3)
Phosphoric Acid (H3PO4)
Polyethylene Glycol (PEG)
Propan-2-ol / Isopropanol (C3H8O)
Propanediol
Propylene Glycol
Purified Water
Silver Nitrate (AgNO3)
Sodium Chloride (NaCl)
Sodium Hydroxide (NaOH)
Sulfuric Acid
Sulphuric Acid (H2SO4)
Synthetic Sea Water
Tetrahydrofuran (THF)
Toluene (C7H8)
Ultrapure Water
USP Purified Water
USP Water for Injection
…VIEW ALL CHEMICALS








