S

Sodium dihydrogen phosphate

IUPAC: sodium dihydrogen phosphate

NaH2PO4 Salts CAS 7558-80-7
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Quick Reference
Formula / NotationNaH2PO4
CAS Number7558-80-7
Molecular Weight119.977
Melting PointDecomposes at 75
Density2360 kg/cu m
Solubility121 g/L
AppearancePellets or Large Crystals; Dry Powder, Pellets or Large Crystals; Dry Powder, Liquid; NKRA; Other Solid; Dry Powder, Other Solid; Dry Powder; Liquid
Also Known As7558-80-7; Monosodium phosphate; Sodium acid phosphate; Sodium phosphate, monobasic; Sodium primary phosphate; Acid sodium phosphate; Monosodium monophosphate; Monobasic sodium phosphate; Monosodium dihydrogen orthophosphate; Monosodium phosphate, anhydrous
CategorySalts

What is Sodium dihydrogen phosphate?

Sodium dihydrogen phosphate (NaH2PO4) is a salt that appears as Pellets or Large Crystals; Dry Powder, Pellets or Large Crystals; Dry Powder, Liquid; NKRA; Other Solid; Dry Powder, Other Solid; Dry Powder; Liquid. It has a molecular weight of 119.977 g/mol. Melting point: Decomposes at 75.

Formula & Notation

NaH2PO4

IUPAC Name: sodium dihydrogen phosphate

Other Names / Synonyms: 7558-80-7; Monosodium phosphate; Sodium acid phosphate; Sodium phosphate, monobasic; Sodium primary phosphate; Acid sodium phosphate; Monosodium monophosphate; Monobasic sodium phosphate; Monosodium dihydrogen orthophosphate; Monosodium phosphate, anhydrous

Properties & Characteristics

Appearance: Pellets or Large Crystals; Dry Powder, Pellets or Large Crystals; Dry Powder, Liquid; NKRA; Other Solid; Dry Powder, Other Solid; Dry Powder; Liquid. Molecular formula: H2NaO4P. Molecular weight: 119.977 g/mol. Melting point: Decomposes at 75. Density: 2360 kg/cu m. Solubility: 121 g/L.

Physical Data

PropertyValue
Melting PointDecomposes at 75
Density2360 kg/cu m
Molecular Weight119.977
Solubility121 g/L
AppearancePellets or Large Crystals; Dry Powder, Pellets or Large Crystals; Dry Powder, Liquid; NKRA; Other Solid; Dry Powder, Other Solid; Dry Powder; Liquid

Uses & Applications

Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.

Safety Information

Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Sodium dihydrogen phosphate
Formula NaH2PO4
CAS Number 7558-80-7
Molecular Weight 119.977
Category Salts
Index All "S" terms
Synonyms 7558-80-7; Monosodium phosphate; Sodium acid phosphate; Sodium phosphate, monobasic; Sodium primary phosphate; Acid sodium phosphate; Monosodium monophosphate; Monobasic sodium phosphate; Monosodium dihydrogen orthophosphate; Monosodium phosphate, anhydrous

Frequently Asked Questions

Sodium dihydrogen phosphate (NaH2PO4) is a salt that appears as Pellets or Large Crystals; Dry Powder, Pellets or Large Crystals; Dry Powder, Liquid; NKRA; Other Solid; Dry Powder, Other Solid; Dry Powder; Liquid. It has a molecular weight of 119.977 g/mol. Melting point: Decomposes at 75.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.

AllChemicals.info — The Online Chemical Glossary | https://allchemicals.info/chemical/sodium-dihydrogen-phosphate

For educational purposes only. Verify all information before use.