1614396

Sodium metabisulfite

United States Pharmacopeia (USP) Reference Standard

• Synonym(s): Sodium disulfite, Sodium pyrosulfite
• Linear Formula: Na₂S₂O₅
• CAS Number: 7681-57-4
• Molecular Weight: 190.11
• NACRES: NA.24
• PubChem Substance ID: 329751116
• UNSPSC Code: 41116107
• MDL number: MFCD00167602

Properties

• grade: pharmaceutical primary standard
• agency: USP
• API family: sodium metabisulfite
• manufacturer/tradename: USP
• mp: >300 °C (lit.)
• application(s): pharmaceutical (small molecule)
• format: neat
• storage temp.: 2-8°C
• 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
• InChI key: HRZFUMHJMZEROT-UHFFFAOYSA-L

Description

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

USP issued SDS can be found here.

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H302,H318
• pcodes: P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P501
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1
• supp_hazards: EUH031
• Storage Class: 13 - Non Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable