Sodium phosphate, dibasic, 99+%, ACS reagent, suitable for buffer solutions, Thermo Scientific Chemicals

Description

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

pH buffer

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

• Color: White
• pH: 8.7 to 9.3 (5% soln. at 25°C)
• Physical Form: Granular Powder
• Quantity: 500 g
• Assay Percent Range: 99+%
• Linear Formula: Na₂HPO₄
• Merck Index: 15, 8789
• IUPAC Name: disodium hydrogen phosphate
• Formula Weight: 141.96
• Percent Purity: ≥99%
• Grade: ACS Reagent
• Loss on Drying: 0.2% max. (105°C)
• Packaging: Plastic bottle
• Decomposition Information: Decomposes information: > 240°C
• Chemical Name or Material: Sodium phosphate, dibasic

Safety and Handling

Hazard Category	Signal Word: CAUTION!
Precautionary Statement	Emergency Overview May cause eye, skin, and respiratory tract irritation . The toxicological properties have not been fully investigated. Hygroscopic. NFPA Health:1 Flammability:0 Instability:1
EINECSNumber	231-448-7
RTECSNumber	WC4500000
TSCA	TSCA

SDS

RUO – Research Use Only