sodium monophosphate

Description

sodium monophosphate · CAS 7681-53-0 · NaO2P. UNII 8TU1537O43.

Identification

CAS Registry Number	7681-53-0
PubChem CID	23675242
Molecular formula	NaO2P
UNII (FDA)	8TU1537O43

Computed Descriptors

Molecular Weight	85.962
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	85.95336052
Monoisotopic Mass	85.95336052
Topological Polar Surface Area	40.1
Heavy Atom Count	4
Formal Charge	0
Complexity	13.5

Physical description & handling notes

• White granules or crystals; [HSDB]
• Colorless, pearly, crystalline plates or white granular powder
• White crystals
• Bittersweet, saline taste
• Melting point equals 392 °F (decomposes into toxic and explosive phosphine gas)
• Decomposes above 238 °C (OECD Guideline 102)

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: ANTIOXIDANT
GHS notification summary	94% (562 / 598)

GHS Hazard Classification

GHS notification summary	94% (562 / 598)

Documented Uses

• Used in pharmaceutical manufacturing, nickel plating, and as a laboratory reagent; [HSDB]
• Electroplating [Category: Plate]
• This is a DEA List 1 chemical substance.
• List I chemical means a chemical specifically designated by the Administrator in section 1310.02(a) of this chapter that, in addition to legitimate uses, is used in manufacturing a controlled substance in violation of the Act and is important to the manufacture of a controlled substance.
• As reagent for arsenic and iodates; prepn of hypophosphites syrup.
• The ingredient is used as an emulsifier or stabilizer ... The ingredient is used in cod-liver oil emulsions at levels not to exceed current good manufacturing practice.

Synonyms

SODIUM HYPOPHOSPHITE; Sodium phosphinate; 7681-53-0; RefChem:887621; DTXCID701012093; 231-669-9; 8TU1537O43; DTXSID30873901; Hypophosphorous acid monosodium salt; Monosodium hypophosphite; Natriumhypophosphit; Phosphinic acid monosodium salt; Phosphinic acid, sodium salt; Sodium hydrogen phosphite (NaH2PO2); Sodium hydrophosphite; Sodium hypophosphite (NaH2PO2)

Frequently Asked Questions

What are the CAS number and molecular formula of sodium monophosphate?

CAS 7681-53-0; molecular formula NaO2P; molecular weight — g/mol.

What other names is sodium monophosphate known by?

SODIUM HYPOPHOSPHITE, Sodium phosphinate, 7681-53-0, RefChem:887621, DTXCID701012093, 231-669-9.

What is the regulatory status of sodium monophosphate?

Documented regulatory listings: FDA Substance added to food: ANTIOXIDANT.

Is sodium monophosphate classified as hazardous?

94% of GHS notifications report no hazard classification (562 of 598).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.