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

₹ 3,041.83

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

Image Product Name Manufacturer Price Range
PHR1434
Sodium Metabisulfite
Supelco ₹ 10,911.60
08982
Sodium metabisulfite
Supelco ₹ 5,672.30
S9000
Sodium metabisulfite
Sigma Aldrich ₹ 4,081.03 - ₹ 10,067.25
1.06528
Sodium disulfite
Supelco ₹ 2,220.00 - ₹ 2,40,080.00
1.06357
Sodium disulfite
SAFC ₹ 14,846.49 - ₹ 65,588.68
71932
Sodium metabisulfite
Sigma Aldrich ₹ 13,758.58
1.93642
Sodium disulfite
Supelco ₹ 1,045.32 - ₹ 11,820.00

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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

GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H318

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

Img

Sigma Aldrich

255556

--


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

Img

Sigma Aldrich

255564

ACS reagent, ≥99%...


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:
__

Img

Sigma Aldrich

255572

--


grade:
ACS reagent

Assay:
≥99.0%

form:
crystalline powder

impurities:
≤0.001% N compounds≤0.005% insolubles

pH:
5-6.5 (25 °C, 61.3 g/L)

mp:
356 °C (lit.)

anion traces:
bromate (BrO3-): ≤0.015%chloride (Cl-): ≤0.001%sulfate (SO42-): passes test

cation traces:
Ca: ≤0.002%Fe: ≤3 ppmMg: ≤0.002%Na: ≤0.01%heavy metals: ≤5 ppm (by ICP)

SMILES string:
[K+].[O-]Cl(=O)=O

InChI:
__

Img

Sigma Aldrich

255580

ACS reagent, 98.0%...


grade:
ACS reagent

Assay:
98.0%

form:
powder, crystals or chunks

impurities:
≤0.005% S compounds≤0.25 meq/g Titr. free acid

pH:
2.5-3.5 (20 °C, 50 g/L)

mp:
__

anion traces:
__

cation traces:
__

SMILES string:
__

InChI:
__