Sodium metabisulfite, 97+%, ACS reagent, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10361351	Thermo Scientific Acros 419580050	5 g	Glass Bottle
10444235	Thermo Scientific Acros 419582500	250 g	Plastic bottle
10301311	Thermo Scientific Acros 419580010	1 kg	Plastic bottle
10267903	Thermo Scientific Acros 419580025	2.5 kg	Plastic bottle

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Reduction reagent

Chemical Identifiers

• CAS: 7681-57-4
• Molecular Weight (g/mol): 190.09
• InChI Key: LDTLADDKFLAYJA-UHFFFAOYSA-L
• PubChem CID: 656671
• SMILES: [Na+].[Na+].[O-]S(=O)OS([O-])=O

• Molecular Formula: Na2O5S2
• MDL Number: MFCD00167602
• Synonym: sodium metabisulfite, sodium pyrosulfite, sodium disulfite, disodium pyrosulfite, sodium metabisulphite, disodium disulfite, disodium disulphite, fertisilo, disodium metabisulfite, natrii disulfis
• IUPAC Name: disodium (sulfinatooxy)sulfinate

Specifications

• Melting Point: 150.0°C
• Color: White
• Assay Percent Range: 97% min. (Iodimetry)
• Linear Formula: Na₂S₂O₅
• Merck Index: 15, 8770
• Solubility Information: Solubility in water: 540g/L (20°C). Other solubilities: freely soluble in glycerol, slightly soluble in alcohol
• SMILES: [Na+].[Na+].[O-]S(=O)OS([O-])=O
• Molecular Weight (g/mol): 190.09
• Formula Weight: 190.1
• Grade: ACS Reagent

• CAS: 7681-57-4
• Physical Form: Fine Crystalline Powder
• Molecular Formula: Na2O5S2
• MDL Number: MFCD00167602
• Synonym: sodium metabisulfite, sodium pyrosulfite, sodium disulfite, disodium pyrosulfite, sodium metabisulphite, disodium disulfite, disodium disulphite, fertisilo, disodium metabisulfite, natrii disulfis
• InChI Key: LDTLADDKFLAYJA-UHFFFAOYSA-L
• IUPAC Name: disodium (sulfinatooxy)sulfinate
• PubChem CID: 656671
• Percent Purity: ≥97%
• Chemical Name or Material: Sodium metabisulfite

Safety and Handling

GHS H Statement
Harmful if swallowed.
Causes serious eye damage.
Contact with acids liberates toxic gas.

GHS P Statement
Wear eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses,if present and easy to do.
Continue rinsing.
Immediately call a POISON CENTER or doctor/physici

GHS Signal Word: Danger

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Product Identifier

• Sodium metabisulfite

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 4
• Serious eye damage/eye irritation Category 1

Hazard Statement

• H318-Causes serious eye damage.
• H302-Harmful if swallowed.
• EUH031-Contact with acids liberates toxic gas.

Precautionary Statement

• P233-Keep container tightly closed.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.

RUO – Research Use Only