
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
Need to Buy Sulphuric Acid 50% v/v?
We supply sulphuric acid 50% v/v in 2.5L containers, with discounts available for bulk orders. We also offer a wide range of sulphuric acid products, covering multiple concentrations and applications.All our products come with further options, such as personalised labelling and specific pack sizes. Contact us for further information or free technical advice.Processes to Manufacture Sulphuric Acid
The two main ways to synthesise sulphuric acid – the contact and wet process – consist mainly of oxidation of sulphur to sulphur dioxide, which is then oxidised again to form sulphur trioxide and then finally converted to sulphuric acid either by absorption (contact process) or hydration (wet process).However, this acid can be produced via alternative methods, which are now out-of-date or not feasible:Metabisulphite method
In this method, metabisulphite is mixed with a highly concentrated solution of hydrochloric acid (HCl), and the resulting gas is passed through nitric acid to release brown/red vapours.Lab methods
Some methods are not feasible to use on an industrial scale, but can still be used in the lab to synthesise sulphuric acid.One of these methods is oxidation of sulphur in the air and then dissolving the gas produced (sulphur dioxide) in hydrogen peroxide:SO2 H2O2 → H2SO4
Lead chamber process
In this old-fashioned method, used up to the mid-1900s, sulphur dioxide was mixed with nitrogen oxide in large lead chambers.After about 30 minutes, sulphur dioxide was oxidised to sulphuric acid. This is an exothermic reaction, and a major concern at the time was to find a way to quickly dissipate the heat.100% Quality Guarantee
All our products come with 100% quality guarantee and are usually shipped within 24 hours after purchase.If you need help, a member of our customer service team will be glad to help before, during and after your order to ensure our product meets your needs.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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Sulphuric Acid 50% v/v Specification
| Description | Limits | Units |
|---|---|---|
| Sulphuric Acid | 49.75 - 50.25 | % v/v |
| Substances reducing Permanganate | < 1 | ppm |
Sulphuric Acid 50% v/v Hazards
| Signal Word |
|---|
| Danger |
| BulkCode | Hazard Statement | Description |
|---|---|---|
| 1292 | H314 | Causes severe skin burns and eye damage. |
| 1292 | H314 | Causes severe skin burns and eye damage. |
Sulphuric Acid 50% v/v Safety & Storage
| BulkCode | Precautionary Statement | Description |
|---|---|---|
| 1292 | P260 | Do not breathe vapour/ spray. |
| 1292 | P280 | Wear protective gloves/ protective clothing/ eye protection/ face protection. |
| 1292 | P305+P351+P338 | IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| 1292 | P501 | Dispose of contents/ container in accordance with local regulations. |
| 1292 | P310 | Immediately call a POISON CENTER/ doctor. |
| 1292 | P260 | Do not breathe vapour/ spray. |
| 1292 | P280 | Wear protective gloves/ protective clothing/ eye protection/ face protection. |
| 1292 | P305+P351+P338 | IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
| 1292 | P310 | Immediately call a POISON CENTER/ doctor. |
| 1292 | P501 | Dispose of contents/ container in accordance with local regulations. |
Sulphuric Acid 50% v/v Delivery
| ProductNumber | Shipping Statement | Description |
|---|---|---|
| 1.292 | CAS Number | 7664-93-9 |
| 1.292 | EC Number | 231-639-5 |
| 1.292 | Signal Word | Danger |
| 1.292 | UN Number | 1830 |
| 1.292 | ADR/RID Shipping Name | SULPHURIC ACID |
| 1.292 | ADR/RID Shipping Class | 8 |
| 1.292 | ADR/RID Packing Group | II |

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.
Sulphuric Acid 50% v/v FAQs
Do you supply sulfuric acid overseas?
While our website caters to mainland UK business addresses, we can arrange for overseas deliveries. Please contact us on 0800 9555 798 to discuss your international shipping requirements.What concentrations of sulfuric acid do you sell?
Our sulfuric acid is available in any concentration below 98% w/w, and 0.05M (0.1N), catering to a wide range of industrial and laboratory needs.Do you sell the AR (analytical reagent) grade of sulfuric acid?
Yes, we offer sulphuric acid in AR grade. We can also create custom blends tailored to your specific requirements.Do you sell sulfuric acid in bulk, and is there a bulk purchase discount?
Bulk purchases of sulfuric acid are available, and we offer discounts on large orders. You can place a bulk order at the top of this page, or contact us for more details.What packaging options are available?
Our sulphuric acid can be packaged in various formats to suit your needs, including glass bottles, plastic bottles, plastic drums, and IBCs, all ensuring safety and compliance.What are the minimum order requirements?
A minimum order value of £100 plus VAT and shipping applies to all purchases.
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