Sodium phosphate, dibasic heptahydrate, 99+%, for analysis, Thermo Scientific Chemicals

Product Code	Brand	Quantity	Packaging
10783445	Thermo Scientific Acros 206512500	250 g	Plastic bottle
10420101	Thermo Scientific Acros 206515000	500 g	Plastic bottle
11904291	Thermo Scientific Acros 206510025	2.5 kg	Plastic bottle

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.

Biological buffer

Chemical Identifiers

• CAS: 7782-85-6
• Molecular Weight (g/mol): 270.08
• InChI Key: PYLIXCKOHOHGKQ-UHFFFAOYSA-N
• PubChem CID: 6096963
• SMILES: O.O.O.O.O.O.O.[Na+].[Na+].OP(O)(O)=O

• Molecular Formula: H17Na2O11P
• MDL Number: MFCD00149180
• 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
• IUPAC Name: disodium;hydrogen phosphate;heptahydrate

Specifications

• Melting Point: 48.0°C
• Color: White
• Physical Form: Crystals
• Molecular Formula: H17Na2O11P
• MDL Number: MFCD00149180
• 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
• InChI Key: PYLIXCKOHOHGKQ-UHFFFAOYSA-N
• IUPAC Name: disodium;hydrogen phosphate;heptahydrate
• PubChem CID: 6096963
• Percent Purity: ≥99%
• Density: 1.67

• CAS: 7782-85-6
• pH: 9.0 to 9.3 (5% soln. at 20°C)
• Assay Percent Range: 99+%
• Linear Formula: Na₂HPO₄·7H₂O
• Merck Index: 15,8789
• Solubility Information: Solubility in water: 154g/L (20°C). Other solubilities: practically insoluble in alcohol
• SMILES: O.O.O.O.O.O.O.[Na+].[Na+].OP(O)(O)=O
• Molecular Weight (g/mol): 270.08
• Formula Weight: 268.07
• Grade: Analytical
• Chemical Name or Material: Sodium phosphate, dibasic heptahydrate, p.a.

Safety and Handling

HYGROSCOPIC

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RUO – Research Use Only