P2522
Potassium disulfite
≥98%
Manufacturer: Sigma Aldrich
CAS Number: 16731-55-8
Synonym(S): Potassium metabisulfite, Potassium pyrosulfite
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 500 G | P2522-500-G | In Stock | ₹ 5,090.00 |
P2522 - 500 G
In Stock
Quantity
1
Base Price: ₹ 5,090.00
GST (18%): ₹ 916.20
Total Price: ₹ 6,006.20
Quality Level
200
Assay
≥98%
form
powder
SMILES string
[K+].[K+].[O-]S(=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
Other Options
| Image | Product Name | Manufacturer | Price Range | |
|---|---|---|---|---|
 | Potassium disulfite, ≥98% (RT), MilliporeSigma™ Supelco™ | MilliporeSigma Supelco | ₹ 6,160.32 | |
 | eMolecules Potassium disulfite | 16731-55-8 | MFCD00167605 | 25g | eMolecules | ₹ 2,503.49 | |
 | Sigma Aldrich Fine Chemicals Biosciences Potassium Disulfite | 16731-55-8 | MFCD00167605 | 500g | Sigma Aldrich Fine Chemicals Biosciences | ₹ 11,948.45 | |
| | Sigma Aldrich Fine Chemicals Biosciences Potassium disulfite puriss., meets analytical specification of Ph.Eur., BP, NF, FCC, E224, 95.0-101.0% (iodometric), powder, 51.8-57.6% sulfur dioxide | 16731-55-8 | MFCD00167605 | 1KG | Sigma Aldrich Fine Chemicals Biosciences | ₹ 8,170.98 | |
 | Potassium disulfite | Supelco | ₹ 5,185.18 | |
| | Potassium disulfite | Sigma Aldrich | ₹ 5,856.33 | |
 | Potassium disulfite | Supelco | ₹ 6,340.00 - ₹ 15,240.00 | |
| | Potassium disulfite | SAFC | ₹ 37,210.94 - ₹ 2,68,557.43 | |
| | Potassium disulfite | Sigma Aldrich | ₹ 3,518.13 | |
| | Potassium disulfite | Sigma Aldrich | ₹ 5,090.00 |
Related Products
Description
- General description: Potassium disulfite (Potassium metabisulfite, PMB) is an inorganic salt with antimicrobial properties.[1] It is a sulfiting agent that prevents browning of foods.[2] Its genotoxic and cytotoxic effect has been assessed.[1] PMB undergoes hydrolysis to form potassium bisulfite.[3]
- Application: Potassium disulfite has been used in a protocol for the modification of the polydimethylsiloxane (PDMS) polymer surfaces.[4]It may be used in the following processes:Chemical etching of poly(vinylidene fluoride) in β-phase (β-PVDF) irradiated films.[5]Decolorization during the synthesis of 2-iodopyrimidine derivatives.[6]Palladium-catalyzed aminosulfonylation of aryl halides.[7]
SAFETY INFORMATION
Pictograms
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1
Supplementary Hazards
EUH031
WGK
WGK 1
Compare Similar Items
Show Difference
Quality Level: 200
Assay: ≥98%
form: powder
SMILES string: [K+].[K+].[O-]S(=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
Quality Level:
200
Assay:
≥98%
form:
powder
SMILES string:
[K+].[K+].[O-]S(=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
Quality Level: 200
Assay: __
form: powder
SMILES string: N[C@H](Cc1c[nH]cn1)C(O)=O
InChI: __
InChI key: __
Quality Level:
200
Assay:
__
form:
powder
SMILES string:
N[C@H](Cc1c[nH]cn1)C(O)=O
InChI:
__
InChI key:
__
Quality Level: 200
Assay: __
form: saline suspension
SMILES string: __
InChI: __
InChI key: __
Quality Level:
200
Assay:
__
form:
saline suspension
SMILES string:
__
InChI:
__
InChI key:
__
Quality Level: 100
Assay: __
form: powder
SMILES string: __
InChI: __
InChI key: __
Quality Level:
100
Assay:
__
form:
powder
SMILES string:
__
InChI:
__
InChI key:
__