Sodium hydrogen phosphate, anhydrous, ACS, 99.0% min, 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.

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
• IUPAC Name: disodium;hydrogen phosphate
• SMILES: [Na+].[Na+].OP([O-])([O-])=O

• Color: White
• Physical Form: Granules
• Quantity: 250 g
• Assay Percent Range: 99.0% min.
• Solubility Information: Soluble in water. Insoluble in ethanol,methanol and n-octanol.
• Formula Weight: 141.98
• Grade: ACS
• Odor: Odorless
• Sensitivity: Hygroscopic
• Appearance: White granular
• Chemical Name or Material: Sodium hydrogen phosphate, anhydrous

Safety and Handling

Hazard Category	H315-H319-H335: Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Hazard Statement	In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable gloves. This material and/or its container must be disposed of as hazardous waste.
EINECSNumber	231-448-7
RTECSNumber	WC4500000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only