CAS 10039-56-2PubChem CID 23708894
Sodium hypophosphite monohydrate
- Molecular formula
- H2NaO3P
- Molecular weight
- 103.978 g/mol
- Exact mass
- 103.96392520 Da
- Topological polar surface area
- 41.1 Ų
- Hydrogen-bond donors
- 1
- Hydrogen-bond acceptors
- 3
- Covalent units
- 3
- Defined stereocentres
- 0
Also known as
4VN69WUP7NRefChem:183942Fosfornan sodnyPhosphinic acid, sodium salt, monohydrateSodium hypophosphite hydrateSodium phosphenite hydrateSCHEMBL7867ACUGTEHQOFWBES-UHFFFAOYSA-M
8 more reported names
SODIUM HYPOPHOSPHITE, MONOHYDRATESodium hypophosphite monohydrate, >=99%SODIUM HYPOPHOSPHITE MONOHYDRATE [MI]Sodium hypophosphite monohydrate, puriss., 98.0%Sodium hypophosphite monohydrate, puriss. p.a., Reag. Ph. Eur., >=99%Sodium hypophosphite monohydrate, puriss., meets analytical specification of DAC, 99-103%Sodium hypophosphite monohydrate, SAJ first grade, 80.0-86.0% anhydrous basisSodium hypophosphite monohydrate, SAJ special grade, 82.0-86.0% anhydrous basis
Evidence from additional scientific databases
NIH PubChem PUG-View
Exact identifier match23708894
Attributed physical-property, hazard, environmental and use annotations.
- Physical Description: White odorless solid; Deliquescent; [Merck Index] White hygroscopic crystals; [Sigma-Aldrich MSDS] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Note: This chemical does not meet GHS hazard criteria for 100% (299 of 299) of all reports. Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 299 of 299 companies. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 299 reports by companies from 1 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 299 of 299 reports by companies.; There are 0 notifications provided by 0 of 299 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Sources/Uses: Used as a reagent and to make hypophosphites; [Merck Index] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| EMBL-EBI ChEBI | No exact record | 2026-08-31 |
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
