31454
Sodium sulfite
puriss. p.a., reag. Ph. Eur., anhydrous, 98-100.0% (iodometric)
Manufacturer: Sigma Aldrich
CAS Number: 7757-83-7
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 500 G | 31454-500-G | In Stock | ₹ 3,700.00 |
| 1 KG | 31454-1-KG | In Stock | ₹ 4,360.00 |
31454 - 500 G
In Stock
Quantity
1
Base Price: ₹ 3,700.00
GST (18%): ₹ 666.00
Total Price: ₹ 4,366.00
Agency
USP/NFreag. Ph. Eur.
Quality Level
100
grade
puriss. p.a.
Assay
98-100.0% (iodometric)
form
solid
impurities
≤0.001% heavy metals (as Pb)≤0.02% thiosulfate (S2O3)
pH
9.0-10.5 (25 °C, 126 g/L)
anion traces
chloride (Cl-): ≤50 mg/kg
cation traces
As: ≤0.2 mg/kgCa: ≤50 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgPb: ≤5 mg/kgSe: ≤10 mg/kgZn: ≤10 mg/kg
SMILES string
[Na+].[Na+].[O-]S([O-])=O
Other Options
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Description
- General description: Sodium sulfie is an inorganic sodium salt. Rapid-mixing method has been proposed to investigate kinetics of the reaction between oxygen and sodium sulfite.[1]
- Application: Sodium sulfite was used in the preparation of films based on wheat gluten.[2]
SAFETY INFORMATION
Supplementary Hazards
EUH031
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Compare Similar Items
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Agency: USP/NFreag. Ph. Eur.
Quality Level: 100
grade: puriss. p.a.
Assay: 98-100.0% (iodometric)
form: solid
impurities: ≤0.001% heavy metals (as Pb)≤0.02% thiosulfate (S2O3)
pH: 9.0-10.5 (25 °C, 126 g/L)
anion traces: chloride (Cl-): ≤50 mg/kg
cation traces: As: ≤0.2 mg/kgCa: ≤50 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgPb: ≤5 mg/kgSe: ≤10 mg/kgZn: ≤10 mg/kg
SMILES string: [Na+].[Na+].[O-]S([O-])=O
Agency:
USP/NFreag. Ph. Eur.
Quality Level:
100
grade:
puriss. p.a.
Assay:
98-100.0% (iodometric)
form:
solid
impurities:
≤0.001% heavy metals (as Pb)≤0.02% thiosulfate (S2O3)
pH:
9.0-10.5 (25 °C, 126 g/L)
anion traces:
chloride (Cl-): ≤50 mg/kg
cation traces:
As: ≤0.2 mg/kgCa: ≤50 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgPb: ≤5 mg/kgSe: ≤10 mg/kgZn: ≤10 mg/kg
SMILES string:
[Na+].[Na+].[O-]S([O-])=O
Agency: reag. ISO
Quality Level: 200
grade: ACS reagentpuriss. p.a.
Assay: ≥99.5%
form: powder or crystals
impurities: __
pH: 9.0-9.6 (20 °C, 5%)
anion traces: chloride (Cl-): ≤10 mg/kgphosphate (PO43-): ≤10 mg/kgsulfate (SO42-): ≤50 mg/kg
cation traces: As: ≤1 mg/kgCa: ≤50 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgPb: ≤5 mg/kg
SMILES string: O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2
Agency:
reag. ISO
Quality Level:
200
grade:
ACS reagentpuriss. p.a.
Assay:
≥99.5%
form:
powder or crystals
impurities:
__
pH:
9.0-9.6 (20 °C, 5%)
anion traces:
chloride (Cl-): ≤10 mg/kgphosphate (PO43-): ≤10 mg/kgsulfate (SO42-): ≤50 mg/kg
cation traces:
As: ≤1 mg/kgCa: ≤50 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgPb: ≤5 mg/kg
SMILES string:
O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2
Agency: reag. ISO
Quality Level: 200
grade: ACS reagentpuriss. p.a.
Assay: ≥99.5%
form: powder or crystals
impurities: __
pH: 9.0-9.6 (20 °C, 5%)
anion traces: chloride (Cl-): ≤10 mg/kgphosphate (PO43-): ≤10 mg/kgsulfate (SO42-): ≤50 mg/kg
cation traces: As: ≤1 mg/kgCa: ≤50 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgPb: ≤5 mg/kg
SMILES string: O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2
Agency:
reag. ISO
Quality Level:
200
grade:
ACS reagentpuriss. p.a.
Assay:
≥99.5%
form:
powder or crystals
impurities:
__
pH:
9.0-9.6 (20 °C, 5%)
anion traces:
chloride (Cl-): ≤10 mg/kgphosphate (PO43-): ≤10 mg/kgsulfate (SO42-): ≤50 mg/kg
cation traces:
As: ≤1 mg/kgCa: ≤50 mg/kgCu: ≤5 mg/kgFe: ≤5 mg/kgPb: ≤5 mg/kg
SMILES string:
O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2
Agency: __
Quality Level: 200
grade: puriss. p.a.
Assay: ≥98%
form: powder or crystals
impurities: __
pH: 4-7 (20 °C, 5%)
anion traces: sulfate (SO42-): ≤50 mg/kg
cation traces: Ca: ≤50 mg/kgCd: ≤10 mg/kgCo: ≤100 mg/kgCu: ≤10 mg/kgFe: ≤20 mg/kgMg: ≤10 mg/kgNa: ≤50 mg/kgPb: ≤10 mg/kgZn: ≤10 mg/kg
SMILES string: [H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].Cl[Ni]Cl
Agency:
__
Quality Level:
200
grade:
puriss. p.a.
Assay:
≥98%
form:
powder or crystals
impurities:
__
pH:
4-7 (20 °C, 5%)
anion traces:
sulfate (SO42-): ≤50 mg/kg
cation traces:
Ca: ≤50 mg/kgCd: ≤10 mg/kgCo: ≤100 mg/kgCu: ≤10 mg/kgFe: ≤20 mg/kgMg: ≤10 mg/kgNa: ≤50 mg/kgPb: ≤10 mg/kgZn: ≤10 mg/kg
SMILES string:
[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].Cl[Ni]Cl