Sodium Hydroxide 20% w/v
- More Information
- Shipping Statements
Need Sodium Hydroxide 20% w/w?
- We supply sodium hydroxide 20% w/w in 2.5L containers, with discounts available for bulk orders over 4 items
- MSDS is also available to download from our website
- We also offer other sodium hydroxide products, suitable for various applications and covering a wide range of concentrations
Chemical and Physical Properties of Sodium Hydroxide
In terms of appearance, sodium hydroxide can be sold in a pre-made solution, or in solid form, including colourless to white pellets, flakes or powder. In these forms, it is very hygroscopic and should be stored in a tightly closed container. Using these containers also prevents conversion to sodium carbonate by contact with carbon dioxide.
It has both a high boiling point, at 1388 degree Celsius (2534 Fahrenheit) and a melting point, at 318 degree Celsius (605 Fahrenheit). In term of solubility, it’s soluble in water, methanol and glycerol. When heated to high temperatures, it can decompose and release sodium oxide fumes, which can be toxic.
The best well-known property for sodium hydroxide its alkaline behaviour, and even a 0.05% solution already exhibits a pH of 12, gradually increasing to 13 and 14 with a 0.5% and a 5% solutions, respectively.
In terms of corrosivity, it is particularly corrosive to some metals (amphoteric), including aluminium and zinc. In these reactions, caustic soda forms complex anions such as AlO2-, ZnO2- and H2. In addition, sodium hydroxide reacts with mineral acids, forming the corresponding salts, and also reacts with weak acids, such as gases hydrogen sulphide and carbon dioxide.
Wide Range of Products
In addition to sodium hydroxide 20% w/w, we also offer a wide range of other sodium hydroxide products, including for laboratory and analytical uses. Our catalogue also expands to many other chemicals, suitable to many different industries, from pharmaceutical to petrochemicals. If you need assistance, a member of staff will be glad to help you before, during and after your order to ensure our products meet your needs. Simply contact us for further information or free technical advice.
|Sodium Hydroxide||36.7 - 37.7||Tw|
|BulkCode||Hazard Statement Code||Description|
|1093||H314||Causes severe skin burns and eye damage.|
|1093||H290||May be corrosive to metals.|
|BulkCode||Precautionary Statement Code||Description|
|1093||P280||Wear protective gloves/ protective clothing/ eye protection/ face protection.|
|1093||P303+P361+P353||IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.|
|1093||P305+P351+P338||IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.|
|1093||P501||Dispose of contents/ container in accordance with local regulations.|
|1093||P310||Immediately call a POISON CENTER/ doctor.|
|1.093||ADR/RID Shipping Name||SODIUM HYDROXIDE SOLUTION|
|1.093||ADR/RID Shipping Class||8|
|1.093||ADR/RID Packing Group||II|
The following files are available to download:
|Product ID||Product||post_status||Bulk||Download SDS File|
|3683||Sodium Hydroxide 20% w/v||publish||1093||https://www.chemicals.co.uk/uploads/documents/44 - 1093 - SDS10087.pdf|