Determine the necessary mass, volume, or concentration for preparing a solution.
AR, ≥98% AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488200150 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488200150 |
| Canonical Smiles | O.O.O.O.O.OP([O-])[O-].[Na+].[Na+] |
| IUPAC Name | disodium;hydrogen phosphite;pentahydrate |
| InChIKey | FBKBMXXJECMLCQ-UHFFFAOYSA-N |
| INCHI | 1S/2Na.HO3P.5H2O/c;;1-4(2)3;;;;;/h;;1H;5*1H2/q2*+1;-2;;;;; |
| Isomeric SMILES | O.O.O.O.O.OP([O-])[O-].[Na+].[Na+] |
| WGK Germany | 3 |
| PubChem CID | 22463763 |
| Molecular Weight | 216.04 |
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 |
| Class | Alkali metal oxoanionic compounds |
| Subclass | Alkali metal phosphites |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Alkali metal phosphites |
| Alternative Parents | Inorganic sodium salts Inorganic oxides |
| Molecular Framework | Not available |
| Substituents | Alkali metal phosphite - Inorganic sodium salt - Inorganic oxide - Inorganic salt |
| Description | This compound belongs to the class of inorganic compounds known as alkali metal phosphites. These are inorganic compounds in which the largest oxoanion is phosphite, 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 | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Apr 03, 2026 | S104542 | |
| Certificate of Analysis | Mar 02, 2026 | S104542 | |
| Certificate of Analysis | Mar 02, 2026 | S104542 | |
| Certificate of Analysis | Mar 02, 2026 | S104542 | |
| Certificate of Analysis | Mar 02, 2026 | S104542 | |
| Certificate of Analysis | Dec 24, 2025 | S104542 | |
| Certificate of Analysis | Aug 11, 2025 | S104542 | |
| Certificate of Analysis | Nov 06, 2024 | S104542 | |
| Certificate of Analysis | Nov 06, 2024 | S104542 | |
| Certificate of Analysis | Nov 06, 2024 | S104542 | |
| Certificate of Analysis | Oct 20, 2023 | S104542 | |
| Certificate of Analysis | Feb 13, 2023 | S104542 | |
| Certificate of Analysis | Jun 12, 2022 | S104542 | |
| Certificate of Analysis | Jun 12, 2022 | S104542 | |
| Certificate of Analysis | Jun 12, 2022 | S104542 | |
| Certificate of Analysis | Jun 12, 2022 | S104542 | |
| Certificate of Analysis | Jun 12, 2022 | S104542 | |
| Certificate of Analysis | Jun 12, 2022 | S104542 | |
| Certificate of Analysis | Nov 01, 2021 | S104542 |
| Molecular Weight | 216.040 g/mol |
|---|---|
| XLogP3 | |
| Hydrogen Bond Donor Count | 6 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 0 |
| Exact Mass | 215.999 Da |
| Monoisotopic Mass | 215.999 Da |
| Topological Polar Surface Area | 71.400 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 10.800 |
| 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 | 8 |
| 1. Yue Hou, Zhangfu Yuan, Xiangtao Yu, Bowen Ma, Linfei Zhao, Dong Kong. (2023) Directly preparing well-dispersed ultra-hydrophilic NiFeP nanoparticle/Mxene complexes from spent electroless Ni plating solution as efficient hydrogen evolution catalysts. Journal of Environmental Chemical Engineering, [PMID:] [10.1016/j.jece.2023.109738] |
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