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PrimorTrace™, ≥99.99% metals basis PrimorTrace™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 42 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
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.
| Pubchem Sid | 508814651 |
|---|---|
| Sonrisas canónicas | [O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+] |
| InChIKey | HRZFUMHJMZEROT-UHFFFAOYSA-L |
| INCHI | 1S/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 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Inorganic compounds |
|---|---|
| Superclass | Mixed metal/non-metal compounds |
| Clase | Alkali metal oxoanionic compounds |
| Subclass | Alkali metal dithionites |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Alkali metal dithionites |
| Alternative Parents | Inorganic sodium salts Inorganic oxides |
| Molecular Framework | Not available |
| Substituents | Alkali metal dithionite - Inorganic sodium salt - Inorganic oxide - Inorganic salt |
| Descripción | This 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 |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Fecha | Articulo |
|---|---|---|---|
| Certificate of Analysis | Jun 29, 2026 | S492009 | |
| Certificate of Analysis | Jun 29, 2026 | S492009 | |
| Certificate of Analysis | Jun 29, 2026 | S492009 | |
| Certificate of Analysis | Jun 29, 2026 | S492009 | |
| Certificate of Analysis | Dec 22, 2025 | S492009 | |
| Certificate of Analysis | Dec 22, 2025 | S492009 | |
| Certificate of Analysis | Dec 22, 2025 | S492009 | |
| Certificate of Analysis | Dec 22, 2025 | S492009 | |
| Certificate of Analysis | Dec 28, 2024 | S492009 | |
| Certificate of Analysis | Dec 28, 2024 | S492009 | |
| Certificate of Analysis | Dec 28, 2024 | S492009 | |
| Certificate of Analysis | Dec 28, 2024 | S492009 | |
| Certificate of Analysis | Oct 26, 2022 | S492009 | |
| Certificate of Analysis | Oct 26, 2022 | S492009 | |
| Certificate of Analysis | Oct 26, 2022 | S492009 | |
| Certificate of Analysis | Oct 26, 2022 | S492009 | |
| Certificate of Analysis | Oct 26, 2022 | S492009 | |
| Certificate of Analysis | Oct 26, 2022 | S492009 | |
| Certificate of Analysis | Oct 26, 2022 | S492009 | |
| Certificate of Analysis | Oct 26, 2022 | S492009 | |
| Certificate of Analysis | Oct 26, 2022 | S492009 | |
| Certificate of Analysis | Oct 13, 2022 | S492009 | |
| Certificate of Analysis | Oct 13, 2022 | S492009 | |
| Certificate of Analysis | Oct 13, 2022 | S492009 | |
| Certificate of Analysis | Oct 13, 2022 | S492009 | |
| Certificate of Analysis | Oct 13, 2022 | S492009 | |
| Certificate of Analysis | Oct 13, 2022 | S492009 | |
| Certificate of Analysis | Oct 13, 2022 | S492009 |
| Solubilidad | Freely soluble in water, glycerol. Slightly soluble in alcohol |
|---|---|
| Sensibilidad | Sensitive to humidity and air |
| Punto de ebullición (°C) | 150°C |
| Punto de fusión (°C) | >300 °C |
| Peso molecular | 190.110 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 0 |
| Exact Mass | 189.898 Da |
| Monoisotopic Mass | 189.898 Da |
| Topological Polar Surface Area | 125.000 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 136.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 3 |
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