Sodium sulfite - anhydrous, UltraBio™, Ultra pure, ≥98%(RT) , CAS No.7757-83-7

CAS: 7757-83-7 Cat. No.: S433919 Formula: Na2SO3 Peso molecolare: 126.04 Numero EC: 231-821-4 PubChem CID: 24437
Disponibile su ordine
GRADE & PURITY Anhydrous Grade ? Anhydrous grade — water removed and packaged dry for moisture-sensitive chemistry. Use in reactions where even trace water would interfere or quench. UltraBio™ ? UltraBio™ — Aladdin's line for molecular-biology applications. Use for nuclease-free, high-consistency reagents across molecular workflows. Ultra pure ? Ultra-pure grade with very low impurity content across the board. Use for trace analysis, electronics, or processes intolerant of contamination. ≥98%(RT)
Synonyms
DTXSID2044260 | SODIUM SULFITE [INCI] | SODIUM SULFITE [VANDF] | SODIUM SULFITE (II) | D09002 | MFCD00003503 | Natrum sulphurosum | Sodium sulfite (2:1) | NATRUM SULPHUROSUM [HPUS] | Natriumsulfit | Natrium sulfurosum | Pesticide Code: 078203 | SODIUM SUL
Storage
Room temperature
★
Size
Germania (EU)
USA*
Price
Qty
250g
S433919-250g
—
3 Disponibile
90,16€
Enter a quantity for the sizes you want to add.
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Why this grade

anhydrous, UltraBio™, Ultra pure, ≥98%(RT) Anhydrous Grade,Ultra pure,UltraBio™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships 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 474 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Panoramica

Other Notes

Cleaves disulfide bonds to form the S-sulfonate derivative; Inhibits gram positive bacteria in culture media;

Specifications

Sinonimi
DTXSID2044260 | SODIUM SULFITE [INCI] | SODIUM SULFITE [VANDF] | SODIUM SULFITE (II) | D09002 | MFCD00003503 | Natrum sulphurosum | Sodium sulfite (2:1) | NATRUM SULPHUROSUM [HPUS] | Natriumsulfit | Natrium sulfurosum | Pesticide Code: 078203 | SODIUM SUL
Specifiche e purezza
anhydrous, UltraBio™, Ultra pure, ≥98%(RT)
Condizioni di conservazione di stoccaggio
Room temperature
Grado
Anhydrous Grade, Ultra pure, UltraBio™
Purezza
≥98%(RT)
Nomi e identificatori
Pubchem Sid
Sorrisi canonici
[O-]S(=O)[O-].[Na+].[Na+]
IUPAC Name
disodium;sulfite
InChIKey
GEHJYWRUCIMESM-UHFFFAOYSA-L
INCHI
1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
Isomeri SMILES
[O-]S(=O)[O-].[Na+].[Na+]
WGK Germania
1
RTECS
WE2150000
PubChem CID
24437
Peso molecolare
126.04

Documentazione

📋 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 sulfites
Intermediate Tree Nodes Not available
Direct ParentAlkali metal sulfites
Alternative Parents Inorganic sodium salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal sulfite - Inorganic sodium salt - Inorganic oxide - Inorganic salt
DescrizioneThis compound belongs to the class of inorganic compounds known as alkali metal sulfites. These are inorganic compounds in which the largest oxoanion is sulfite, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors inorganic sodium salt - sulfite salt
Struttura 3D
Modello di struttura chimica interattiva





Meccanismi d'azione
Certificati (CoA, COO, BSE/TSE e tabella di analisi)
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.

5 results found

Lot NumberCertificate TypeDataOggetto
K2323027Certificate of AnalysisSep 03, 2026 S433919
K2323029Certificate of AnalysisSep 03, 2026 S433919
E2514020Certificate of AnalysisNov 09, 2023 S433919
G2510077Certificate of AnalysisNov 09, 2023 S433919
K2323028Certificate of AnalysisNov 09, 2023 S433919
Proprietà chimiche e fisiche
SolubilitàH2O: 1M at20°C, clear, colorless
SensibilitàMoisture sensitive
Punto di fusione (°C)500°C
Peso molecolare126.050 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass125.936 Da
Monoisotopic Mass125.936 Da
Topological Polar Surface Area82.400 Ų
Heavy Atom Count6
Formal Charge0
Complexity18.800
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
Domande frequenti e articoli
Iron (low valent)
UltraBio™: Defining Excellence in Molecular Biology Applications
The Guide to Anhydrous Grade for Reagents
Tyrosinase: a key regulatory enzyme in melanin synthesis and its biological and applied significance
TEMPO-Catalyzed Oxidation Quick Reference (Alcohol Oxidation Focus): Three Regeneration Routes (NaOCl / Cu–O₂ / PIDA) + Selection & Troubleshooting
Selection of Common Research Salts: A Task Map for Alkali Metal Salts & Alkaline Earth Metal Salts (with Product Tables 1–6)
Recent Advances in Methods for Measuring Starch-Related Indices in Plants and Their Application-Oriented Selection
Chlorophyll: Structural Features, Physicochemical Properties, and Key Points for Research and Industrial Applications
Enzyme Labels in Immunoassays, Signal Amplification, and Multi-Enzyme Detection Platforms: A Functional Overview
Coupling Mechanisms Between Terminal Reducing-Power Allocation in Photosynthetic Electron Transport and Metabolic Demand
Types of Inorganic Salts That Can Undergo Reduction Reactions: Nitrates, Sulfur-Containing Salts, Halogen Oxyanion Salts, and Metal Salts
One-Pot Deaminative Cyanation of Arylamines Mediated by Nitrate Reduction: The ORT Pathway and Kinetic Matching of Tandem Reaction Steps
Citations of This Product
Calcolatori di soluzioni
Recensioni

Recensioni dei clienti

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View Anhydrous Grade grade guide → View UltraBio™ grade guide → View Ultra pure grade guide →

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