Sodium hydrogen phosphate, 98+%, Thermo Scientific Chemicals

Description

Sodium hydrogen phosphate is used in food and water treatment in conjunction with trisodium phosphate. It is used as an emulsifier and buffer in foods and pharmaceuticals, anti-caking additive in powdered products, dietary supplement, scale inhibitor, reagent and buffer in analytical chemistry. It finds application in detergents, cleaning agents, textile, leather auxiliary, fertilizers and galvanoplastics. Further, it is used as a saline laxative to treat constipation. It inhibits the calcium scale formation in water treatment plants.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Sodium hydrogen phosphate is used in food and water treatment in conjunction with trisodium phosphate. It is used as an emulsifier and buffer in foods and pharmaceuticals, anti-caking additive in powdered products, dietary supplement, scale inhibitor, reagent and buffer in analytical chemistry. It finds application in detergents, cleaning agents, textile, leather auxiliary, fertilizers and galvanoplastics. Further, it is used as a saline laxative to treat constipation. It inhibits the calcium scale formation in water treatment plants.

Solubility
Soluble in water. Insoluble in ethanol, methanol and n-octanol.

Notes
Hygroscopic. Incompatible with strong acids, strong oxidizing agents and strong bases.

Specifications

Chemical Identifiers

• CAS: 7558-79-4
• Molecular Formula: HNa2O4P
• Molecular Weight (g/mol): 141.96
• MDL Number: MFCD00003496
• InChI Key: BNIILDVGGAEEIG-UHFFFAOYSA-L
• Synonym: disodium hydrogen phosphate, disodium phosphate, disodium hydrogenorthophosphate, sodium phosphate dibasic, dibasic sodium phosphate, acetest, soda phosphate, disodium orthophosphate, sodium hydrogen phosphate, phosphoric acid, disodium salt
• PubChem CID: 24203
• ChEBI: CHEBI:34683
• SMILES: [Na+].[Na+].OP([O-])([O-])=O

• Quantity: 5 kg
• Linear Formula: Na₂HPO₄
• Merck Index: 14,8659
• Solubility Information: Soluble in water. Insoluble in ethanol,methanol and n-octanol.
• IUPAC Name: disodium;hydrogen phosphate
• Formula Weight: 141.98
• Percent Purity: ≥98%
• Odor: Odorless
• Sensitivity: Hygroscopic
• Chemical Name or Material: Sodium hydrogen phosphate

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	GHS P Statement P261-P280-P305+P351+P338-P304+P340-P405-P501a Avoid breathing dust/fume/gas/mist/vapors/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
EINECSNumber	231-448-7
RTECSNumber	WC4500000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only