1.05056
Potassium disulfite
E 224
Synonym(s):
Potassium disulfite, Potassium metabisulfite, Potassium pyrosulfite
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 kg | Estimated to ship TODAY | $583.00 |
25 kg | Estimated to ship onJuly 21, 2026 | $3,790.00 |
About This Item
Quality Segment
form
solid
pH
3.0-4.5 (20 °C, 50 g/L in H2O)
mp
150 °C (decomposition)
application(s)
pharma/biopharma processes
storage temp.
15-25°C
SMILES string
[K+].[K+].[S](=O)(=O)([S](=O)[O-])[O-]
InChI
1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChI key
RWPGFSMJFRPDDP-UHFFFAOYSA-L
General description
Application
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| application(s) pharma/biopharma processes | application(s) cleaning products | application(s) - | application(s) - |
| form solid | form - | form powder | form powder |
| storage temp. 15-25°C | storage temp. - | storage temp. - | storage temp. - |
| pH 3.0-4.5 (20 °C, 50 g/L in H2O) | pH - | pH 3.5-4.5 (20 °C, 5%) | pH - |
| mp 150 °C (decomposition) | mp - | mp - | mp - |
| Quality Level 400 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
Still not finding the right product?
Explore all of our products under Potassium disulfite
signalword
Danger
supp_hazards
Storage Class
11 - Combustible Solids
wgk
WGK 1
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Irrit. 2
Stay compliant with GMP using the Emprove® Program
Accelerate qualification, maintain compliance, and save time with Emprove® Dossiers.
Note: you will be brought to EmproveSuite.com. Your username and password are separate from SigmaAldrich.com and may differ.
Register for free and access Emprove® Dossiers within minutes. Upgrade your subscription plan to unlock advanced and customized content in the Emprove® Suite
Not finding what you are looking for? Visit the Emprove® Program Help page.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.