Sodium disulfite - PharmPure™, JP, BP, Ph.Eur., NF , CAS No.7681-57-4

CAS: 7681-57-4 Cat. No.: S433804 Formule: Na2S2O5 Poids moléculaire: 190.11 Numéro CE: 231-673-0
DISPONIBLE À COMMANDE
GRADE & PURITY PharmPure™ ? PharmPure™ — Aladdin's line of biopharmaceutical raw and starting materials. Use for pharma manufacturing inputs needing high purity and documentation. JP ? Japanese Pharmacopoeia grade — conforms to JP monograph standards. Use for pharmaceutical products subject to Japanese regulatory requirements. BP ? British Pharmacopoeia grade — conforms to BP monograph requirements. Use for pharmaceutical products marketed under UK/BP regulatory standards. Ph.Eur. ? European Pharmacopoeia grade — conforms to Ph.Eur. monographs across EU member states. Use for pharmaceutical work needing European compendial compliance. NF ? National Formulary grade — meets NF monograph standards, often for excipients. Use for pharmaceutical excipients and products requiring NF compliance.
Synonyms
Sodium metabisulfite, SO2 58.5% | Sodium bisulfite anhydrous | Sodium metabisulfite | sodium meta-bisulfite | Sodium pyrosulfite | UNII-4VON5FNS3C | EC 231-673-0 | SODIUM METABISULFITE [WHO-DD] | Sodium metabisulphite | Disodium metabisulfite | DISODIUM P
Storage
Room temperature,Argon charged
Shipped In
FedEx DG Service
★
Size
Allemagne (EU)
USA*
Price
Qty
100g
S433804-100g
—
2 En stock
15,53€
Enter a quantity for the sizes you want to add.
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Why this grade

PharmPure™, JP, BP, Ph.Eur., NF BP,JP,NF,Ph.Eur.,PharmPure™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships FedEx DG Service Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 42 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Vue d’ensemble

Sodium metabisulfite (MBS, Sodium disulfite) is an inorganic salt. It is the sodium salt of disulphurous (pyrosulfurous) acid. It is widely used as reducing agent in textile and photography industry. It is commonly added to various foods and wines as preservative.

Application

Sodium disulfite has reducing and anti-septic properties with broad range of applications in pharmaceutical, cosmetic and food industry. It is commonly used as preservative and antioxidant, especially for liquid and semi-solid application. In the food industry it is can help preserving food products and maintaining their fresh appearance.

Specifications

Synonymes
Sodium metabisulfite, SO2 58.5% | Sodium bisulfite anhydrous | Sodium metabisulfite | sodium meta-bisulfite | Sodium pyrosulfite | UNII-4VON5FNS3C | EC 231-673-0 | SODIUM METABISULFITE [WHO-DD] | Sodium metabisulphite | Disodium metabisulfite | DISODIUM P
Spécifications et pureté
PharmPure™, JP, BP, Ph.Eur., NF
Conditions de stockage de stockage
Room temperature,Argon charged
Expédié en
FedEx DG Service
Grade
BP, JP, NF, Ph.Eur., PharmPure™
Noms et identifiants
Pubchem Sid528773147
Sourires canoniques[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
InChIKeyHRZFUMHJMZEROT-UHFFFAOYSA-L
INCHI1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
Isomères SMILES [O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
WGK Allemagne 1
RTECS UX8225000
Numéro ONU 3335
Groupe d'emballage III
Poids moléculaire 190.11

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClasseAlkali metal oxoanionic compounds
SubclassAlkali metal dithionites
Intermediate Tree Nodes Not available
Direct ParentAlkali metal dithionites
Alternative Parents Inorganic sodium salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal dithionite - Inorganic sodium salt - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal dithionites. These are inorganic compounds in which the largest oxoanion is dithionite, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors Not available
Structure 3D
Modèle de structure chimique interactif





Mécanismes d'action
Certificats (CoA, COO, BSE/TSE et tableau d'analyse)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeDateArticle
F2604147Certificate of AnalysisJul 22, 2024 S433804
G2430521Certificate of AnalysisJul 22, 2024 S433804
G2430537Certificate of AnalysisJul 22, 2024 S433804
G2430548Certificate of AnalysisJul 22, 2024 S433804
L2529023Certificate of AnalysisJul 22, 2024 S433804
L2318496Certificate of AnalysisOct 10, 2023 S433804
Propriétés chimiques et physiques
SensibilitéHygroscopic;Air sensitive
Point d'ébullition (°C)150°C
Point de fusion (°C)>300 °C
Poids moléculaire190.110 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count6
Rotatable Bond Count0
Exact Mass189.898 Da
Monoisotopic Mass189.898 Da
Topological Polar Surface Area125.000 Ų
Heavy Atom Count9
Formal Charge0
Complexity136.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
FAQ et articles
JP Grade Reagents Explained
BP grade: The British Pharmacopoeia Standard, Demystified
Radical Initiator Selection Guide
NF Grade Explained: Standards, Tests, and Uses
A Practical Guide to Fragrance Compositions: Turning a Black-Box Formula into an Engineerable System—Compatibility, Stability, Controlled Release, Traceability, and Selection
PAS Staining (Periodic Acid–Schiff, PAS) Standard Operating Procedure (SOP)
Plant Omics Panorama: Workflow Frameworks and Multi-Omics Integration from Genomics to Transcriptomics, Proteomics, and Metabolomics
Physicochemical Properties of Diphenylamine, Analytical Applications, and a Review of Its DNA Colorimetric Reaction
Alginate : An Overview of Extraction and Purification Processes, Quality Identification, and Multidomain Applications
Glutaraldehyde-mediated Microbial Inactivation: Chemical Mechanisms, Determinants, and Key Validation Considerations
Adding a Temperature-Triggered Switch to NCO: How Blocked Isocyanates Affect the Storage, Curing, and Film Performance of 1K Baking Coatings
Structural and Performance Design of Acrylic Resins for Coatings: Monomer Composition, Key Parameters, and Film Formation/Curing Mechanisms
PVAc, VAE, and Vinyl Acetate-Based Emulsions: Film-Forming Logic and Performance Boundaries in Architectural Coatings
What Is an Etchant? Etching Mechanisms for Revealing Metallographic Microstructures, Selection Methods, and Applications of Related Wet-Etching Reagents
One-Pot Deaminative Cyanation of Arylamines Mediated by Nitrate Reduction: The ORT Pathway and Kinetic Matching of Tandem Reaction Steps
How Arbutin Regulates Melanin Production: α/β Anomeric Configuration and Tyrosinase Action
Citations of This Product
Calculateurs de solution
Avis

Avis des clients

Need help choosing the grade?

Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.

View PharmPure™ grade guide → View JP grade guide → View BP grade guide → View Ph.Eur. grade guide → View NF grade guide →

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