Keep my session open?
Ending In 
The session is expired
Your session has expired. For your security, we have logged you out.
Would you like to log in again?

Sodium hydroxide 25% in aqueous solution for biopharmaceutical production

Supplier: VWR Chemicals

Ordering information: Supplied with certificate of analysis. Normally manufactured to order. Please check with customer services.

Formula: NaOH
MW: 40 g/mol
Boiling Pt: 119 - 135 °C (1013 hPa)
Melting Pt: 9 - 10 °C
Density: 1,274 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003548
CAS Number: 1310-73-2
UN: 1824
Specification Test Results
Assay (calculated as NaOH) 24,8 - 25,2 %
Appearance Passes test
CO₃ (as Na₂CO₃) Max. 1 %
Heavy metals (as Pb) Max. 5 ppm
Cl (Chloride) Max. 5 ppm
SO₄ (Sulphate) Max. 30 ppm
Fe (Iron) Max. 3 ppm
Residual metal catalysts Unlikely to be present
Residual solvents (ICH Q3C) manufact. process
Endotoxin (IU/ml) Max. 2
Filtered at 0.2 µm Confirmed



Expand All / Collapse All
Pack type Pk VWR Catalog Number Quantity
Plastic bottle 2,5 l VWRC85523.320
Get a discount if you order 4 or more. Login in now for details.
Plastic drum 25 l VWRC85523.460
Expand All / Collapse All
Enter Details

Select the article for which you are looking for Certificate

Indicate the Lot Number. This field is mandatory.

Enter Certificate Details

Enter the Lot number:

Choose from recent batch/lot numbers:

Review & Compare Alternatives
We found alternative products that can save you up to  per item-unit.  To compare product details, select up to 3 alternatives below and click Compare Selected. To add items to your basket, enter a quantity and click Add to Basket.

Original Product:

Description Catalog Number Availability Unit Your Price Price Per Qty

A new look and a renewed commitment

Built on the features & resources you know, optimized with innovation from Avantor®. Our new brand symbolizes agility and our ability to adapt to customer needs.

Learn More Start Shopping