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

Product Code	Brand	Quantity	Packaging
10782602	Thermo Scientific Acros 424375000	500 g	Plastic bottle
10185753	Thermo Scientific Acros 424370025	2.5 kg	Plastic Bottle
15139153	Thermo Scientific Acros 424370100	10 kg	Plastic drum

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

Chemical Identifiers

• CAS: 7558-79-4
• Molecular Weight (g/mol): 141.96
• InChI Key: BNIILDVGGAEEIG-UHFFFAOYSA-L
• PubChem CID: 24203
• SMILES: [Na+].[Na+].OP([O-])([O-])=O

• Molecular Formula: HNa2O4P
• MDL Number: MFCD00003496
• 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
• ChEBI: CHEBI:34683

Specifications

• CAS: 7558-79-4
• pH: 8.7 to 9.3 (5% soln. at 25°C)
• Assay Percent Range: 99+%
• Linear Formula: Na₂HPO₄
• Merck Index: 15, 8789
• InChI Key: BNIILDVGGAEEIG-UHFFFAOYSA-L
• IUPAC Name: disodium hydrogen phosphate
• PubChem CID: 24203
• Formula Weight: 141.96
• Grade: ACS Reagent
• Decomposition Information: Decomposes information: > 240°C

• Color: White
• Physical Form: Granular Powder
• Molecular Formula: HNa2O4P
• MDL Number: MFCD00003496
• 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
• SMILES: [Na+].[Na+].OP([O-])([O-])=O
• Molecular Weight (g/mol): 141.96
• ChEBI: CHEBI:34683
• Percent Purity: ≥99%
• Loss on Drying: 0.2% max. (105°C)
• Chemical Name or Material: Sodium phosphate, dibasic

Safety and Handling

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

Signal Word: CAUTION!

missing translation for 'einecsNumber' : 231-448-7

missing translation for 'rtecsNumber' : WC4500000

missing translation for 'tsca' : TSCA

RUO – Research Use Only