255556
Sodium metabisulfite
Manufacturer: Sigma Aldrich
CAS Number: 7681-57-4
Synonym(S): Sodium disulfite, Sodium pyrosulfite
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 1 KG | 255556-1-KG | In Stock | ₹ 3,041.83 |
| 5 KG | 255556-5-KG | In Stock | ₹ 9,509.77 |
255556 - 1 KG
In Stock
Quantity
1
Base Price: ₹ 3,041.83
GST (18%): ₹ 547.529
Total Price: ₹ 3,589.359
grade
ACS reagent
Assay
≥97.0%
form
chunkscrystalline powderpowder, crystals or granules
impurities
≤0.005% insolubles
pH
4.5 (20 °C, 50 g/L)
mp
>300 °C (lit.)
anion traces
chloride (Cl-): ≤0.05%thiosulfate (S2O32-): ≤0.05%
cation traces
Fe: ≤0.002%heavy metals (as Pb): ≤0.001%
SMILES string
[Na+].[Na+].[O-]S(=O)S([O-])(=O)=O
InChI
1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
Other Options
Related Products
Description
- Other Notes: A -D suffix exists for administrative purposes only.All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.
SAFETY INFORMATION
Pictograms
Signal Word
Danger
Hazard Statements
Precautionary Statements
P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1
Supplementary Hazards
EUH031
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Compare Similar Items
Show Difference
grade: ACS reagent
Assay: ≥97.0%
form: chunkscrystalline powderpowder, crystals or granules
impurities: ≤0.005% insolubles
pH: 4.5 (20 °C, 50 g/L)
mp: >300 °C (lit.)
anion traces: chloride (Cl-): ≤0.05%thiosulfate (S2O32-): ≤0.05%
cation traces: Fe: ≤0.002%heavy metals (as Pb): ≤0.001%
SMILES string: [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O
InChI: 1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
grade:
ACS reagent
Assay:
≥97.0%
form:
chunkscrystalline powderpowder, crystals or granules
impurities:
≤0.005% insolubles
pH:
4.5 (20 °C, 50 g/L)
mp:
>300 °C (lit.)
anion traces:
chloride (Cl-): ≤0.05%thiosulfate (S2O32-): ≤0.05%
cation traces:
Fe: ≤0.002%heavy metals (as Pb): ≤0.001%
SMILES string:
[Na+].[Na+].[O-]S(=O)S([O-])(=O)=O
InChI:
1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
grade: ACS reagent
Assay: ≥99%
form: crystals or granulespowder or chunks
impurities: __
pH: 1.0-2.5 (25 °C, 176 g/L in water)
mp: 190-194 °C (dec.)
anion traces: __
cation traces: __
SMILES string: __
InChI: __
grade:
ACS reagent
Assay:
≥99%
form:
crystals or granulespowder or chunks
impurities:
__
pH:
1.0-2.5 (25 °C, 176 g/L in water)
mp:
190-194 °C (dec.)
anion traces:
__
cation traces:
__
SMILES string:
__
InChI:
__
grade: ACS reagent
Assay: ≥99%
form: crystals or granulespowder or chunks
impurities: __
pH: 1.0-2.5 (25 °C, 176 g/L in water)
mp: 190-194 °C (dec.)
anion traces: __
cation traces: __
SMILES string: __
InChI: __
grade:
ACS reagent
Assay:
≥99%
form:
crystals or granulespowder or chunks
impurities:
__
pH:
1.0-2.5 (25 °C, 176 g/L in water)
mp:
190-194 °C (dec.)
anion traces:
__
cation traces:
__
SMILES string:
__
InChI:
__
grade: ACS reagent
Assay: ≥99%
form: crystals or granulespowder or chunks
impurities: __
pH: 1.0-2.5 (25 °C, 176 g/L in water)
mp: 190-194 °C (dec.)
anion traces: __
cation traces: __
SMILES string: __
InChI: __
grade:
ACS reagent
Assay:
≥99%
form:
crystals or granulespowder or chunks
impurities:
__
pH:
1.0-2.5 (25 °C, 176 g/L in water)
mp:
190-194 °C (dec.)
anion traces:
__
cation traces:
__
SMILES string:
__
InChI:
__