Sodium hydrogen phosphate heptahydrate, ACS, 98.0-102.0%, Thermo Scientific Chemicals

Description

Sodium hydrogen phosphate is widely used in detergents and cleaning agents. Combined with trisodium phosphate, it is employed in the food industry to adjust the pH and in water treatment to prevent calcium scale formation. It is utilized as a saline laxative to clean the bowel before a colonoscopy. It prevents the coagulation of condensed milk. It is also utilized as anti-caking additive in powdered products. It enhances the cook time and used as thickening agent in desserts and puddings.

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: 7782-85-6
• Molecular Formula: H17Na2O11P
• Molecular Weight (g/mol): 270.08
• MDL Number: MFCD00149180
• InChI Key: PYLIXCKOHOHGKQ-UHFFFAOYSA-N
• Synonym: sodium phosphate dibasic heptahydrate, unii-70wt22sf4b, sodium phosphate, dibasic, heptahydrate, sodium hydrogen phosphate heptahydrate, disodium hydrogen phosphate heptahydrate, axea paragraph signthornaae, 2na.hpo4.7h2o, sodium hydrogenphosphate heptahydrate, sodium phosphate dibasic, acs, disodium hydrogenphosphate heptahydrate
• PubChem CID: 6096963
• IUPAC Name: disodium;hydrogen phosphate;heptahydrate
• SMILES: O.O.O.O.O.O.O.[Na+].[Na+].OP(O)(O)=O

• Melting Point: 48.1°C-5H₂O
• Color: White
• Physical Form: Crystalline
• Quantity: 500 g
• Assay Percent Range: 98.0-102.0%
• Solubility Information: Soluble in water and insoluble in ethanol.
• Formula Weight: 268.07 (141.98 Anhydrous)
• Grade: ACS
• Odor: Odorless
• Appearance: White crystals
• Density: 1.7 g/cm³ at 20°C
• Chemical Name or Material: Sodium hydrogen phosphate heptahydrate

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	WC4600000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only