Sodium pyrosulfite - PrimorTrace™, ≥99.99% metals basis , CAS No.7681-57-4

CAS: 7681-57-4 Cat. No.: S492009 Fórmula: Na2S2O5 Peso molecular: 190.11 Número EC: 231-673-0
Disponible para pedir
GRADE & PURITY PrimorTrace™ ? PrimorTrace™ — Aladdin's trace-metal-analysis line with ultra-low metal background. Use for ICP/AAS trace-metal work where contamination must be minimal. ≥99.99% metals basis
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
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Size
Alemania (EU)
USA*
Price
Qty
100g
S492009-100g
—
5 Disponible
12,93€
500g
S492009-500g
—
5 Disponible

41,56€

49,37€
Guardar 7,81 € (15.82%)
Enter a quantity for the sizes you want to add.
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Why this grade

PrimorTrace™, ≥99.99% metals basis PrimorTrace™ 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.

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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.

Descripción general

Product Describtion:
Sodium metabisulfite (MBS, Sodium disulfite) is the sodium salt of disulphurous (pyrosulfurous) acid. It is also commonly added to various food products and wines as a preservative.

Specifications

Sinónimos
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
Especificaciones y pureza
PrimorTrace™, ≥99.99% metals basis
Condiciones de almacenamiento de almacenamiento
Room temperature,Argon charged
Enviado en
FedEx DG Service
Grado
PrimorTrace™
Pureza
≥99.99% metals basis
Nombres e identificadores
Pubchem Sid508814651
Sonrisas canónicas[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
Isómeros SMILES [O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
WGK Alemania 1
RTECS UX8225000
Número ONU 3335
Grupo de embalaje III
Peso molecular 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
ClaseAlkali 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
DescripciónThis 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
Estructura 3D
Modelo de Estructura Química Interactiva





Mecanismos de acción
Certificados (CoA, COO, BSE/TSE y tabla de análisis)
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.

28 results found

Lot NumberCertificate TypeFechaArticulo
G2614427Certificate of AnalysisJun 29, 2026 S492009
G2614426Certificate of AnalysisJun 29, 2026 S492009
G2614413Certificate of AnalysisJun 29, 2026 S492009
G2614406Certificate of AnalysisJun 29, 2026 S492009
A2605475Certificate of AnalysisDec 22, 2025 S492009
A2605563Certificate of AnalysisDec 22, 2025 S492009
A2605569Certificate of AnalysisDec 22, 2025 S492009
A2605582Certificate of AnalysisDec 22, 2025 S492009
C2520631Certificate of AnalysisDec 28, 2024 S492009
I2512063Certificate of AnalysisDec 28, 2024 S492009
C2520686Certificate of AnalysisDec 28, 2024 S492009
C2520685Certificate of AnalysisDec 28, 2024 S492009
J2209465Certificate of AnalysisOct 26, 2022 S492009
J2209502Certificate of AnalysisOct 26, 2022 S492009
L2412199Certificate of AnalysisOct 26, 2022 S492009
G2314164Certificate of AnalysisOct 26, 2022 S492009
G2415350Certificate of AnalysisOct 26, 2022 S492009
C2406038Certificate of AnalysisOct 26, 2022 S492009
J2317134Certificate of AnalysisOct 26, 2022 S492009
I2405013Certificate of AnalysisOct 26, 2022 S492009
J2209504Certificate of AnalysisOct 26, 2022 S492009
J2317135Certificate of AnalysisOct 13, 2022 S492009
L2412374Certificate of AnalysisOct 13, 2022 S492009
J2209499Certificate of AnalysisOct 13, 2022 S492009
H2318064Certificate of AnalysisOct 13, 2022 S492009
A2404343Certificate of AnalysisOct 13, 2022 S492009
F2330045Certificate of AnalysisOct 13, 2022 S492009
D2312226Certificate of AnalysisOct 13, 2022 S492009
Propiedades químicas y físicas
SolubilidadFreely soluble in water, glycerol. Slightly soluble in alcohol
SensibilidadSensitive to humidity and air
Punto de ebullición (°C)150°C
Punto de fusión (°C)>300 °C
Peso molecular190.110 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
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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
Calculadoras de soluciones
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