Sulphuric Acid 50% v/v
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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However, this acid can be produced via alternative methods, which are now out-of-date or not feasible:
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.
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.
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|Sulphuric Acid||49.75 - 50.25||% v/v|
|Substances reducing Permanganate||< 1||ppm|
|BulkCode||Hazard Statement Code||Description|
|1292||H314||Causes severe skin burns and eye damage.|
|BulkCode||Precautionary Statement Code||Description|
|1292||P260||Do not breathe vapour/ spray.|
|1292||P280||Wear protective gloves/ protective clothing/ eye protection/ face protection.|
|1292||P303+P361+P353||IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.|
|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.|
|1292||P264||Wash contaminated skin thoroughly after handling.|
|1292||P301+P330+P331||IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.|
|1292||P321||Specific treatment (see medical advice on this label).|
|1292||P304+P340||IF INHALED: Remove person to fresh air and keep comfortable for breathing.|
|1292||P405||Store locked up.|
|1292||P363||Wash contaminated clothing before reuse.|
|1.292||ADR/RID Shipping Name||SULPHURIC ACID|
|1.292||ADR/RID Shipping Class||8|
|1.292||ADR/RID Packing Group||II|
The following files are available to download:
|Product ID||Product||post_status||Bulk||Download SDS File|