Sodium metabisulfite, 97+%, ACS reagent

Product Code.	Quantity	Packaging	unitSize
10361351	5 g	Glass Bottle	5g
10444235	250 g	Plastic bottle	250g
10301311	1 kg	Plastic bottle	1kg
10267903	2.5 kg	Plastic bottle	2.5kg

Product Code. 10361351 Supplier Thermo Scientific Acros Supplier No. 419580050

Description

CAS: 7681-57-4 | Na2O5S2 | 190.09 g/mol

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

Specifications

Chemical Identifiers

• CAS: 7681-57-4
• Molecular Formula: Na2O5S2
• Molecular Weight (g/mol): 190.09
• MDL Number: MFCD00167602
• InChI Key: LDTLADDKFLAYJA-UHFFFAOYSA-L
• Synonym: sodium metabisulfite, sodium pyrosulfite, sodium disulfite, disodium pyrosulfite, sodium metabisulphite, disodium disulfite, disodium disulphite, fertisilo, disodium metabisulfite, natrii disulfis
• PubChem CID: 656671
• IUPAC Name: disodium (sulfinatooxy)sulfinate
• SMILES: [Na+].[Na+].[O-]S(=O)OS([O-])=O

• Melting Point: 150.0°C
• Color: White
• Physical Form: Fine Crystalline Powder
• Quantity: 5 g
• 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
• Formula Weight: 190.1
• Percent Purity: ≥97%
• Grade: ACS Reagent
• Packaging: Glass Bottle
• Chemical Name or Material: Sodium metabisulfite

Safety and Handling

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/.

SDS

RUO – Research Use Only