Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on More

106579 di-Sodium hydrogen phosphate dodecahydrate

Purchase on Sigma-Aldrich


Replacement Information
Replacement InformationIn North America 106579.0500 replaces and is identical to SX0718-1

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
10039-32-4231-448-7HNa₂O₄P * 12 H₂ONa₂HPO₄ * 12 H₂O358.1 g/molISO,Reag. Ph Eur


Catalogue NumberPackaging Qty/Pack
1065790500 Plastic bottle 500 g
1065791000 Plastic bottle 1 kg
1065795000 Plastic bottle 5 kg
1065799025 Fibre carton 25 kg
Catalogue Number106579
ReplacesSX0718; SX0718-1
SynonymsSodium monohydrogen phosphate, Sodium phosphate dibasic
Descriptiondi-Sodium hydrogen phosphate dodecahydrate
Product Information
CAS number10039-32-4
EC number231-448-7
GradeISO,Reag. Ph Eur
Hill FormulaHNa₂O₄P * 12 H₂O
Chemical formulaNa₂HPO₄ * 12 H₂O
Molar Mass358.1 g/mol
HS Code2835 22 00
Quality LevelMQ300
Biological Information
Physicochemical Information
Density1.52 g/cm3 (20 °C)
pH value8.4 - 9.6 (35.8 g/l, H₂O, 25 °C)
Bulk density800 - 900 kg/m3
Solubility218 g/l
Materials Information
Toxicological Information
LD 50 oralLD50 Rat > 2000 mg/kg
Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
Safety Information
Product Usage Statements
Storage and Shipping Information
StorageStore at +15°C to +25°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDKein Gefahrgut
Declaration (transport by air) IATA-DGRNo Dangerous Good
Declaration (transport by sea) IMDG-CodeNo Dangerous Good
Supplemental Information
Assay (alkalimetric)99.0 - 102.0 %
Identitypasses test
Appearance of solutionpasses test
Sodium Dihydrogene phospate≤ 2.5 %
pH-value (5 %; water)9.0 - 9.3
Chloride (Cl)≤ 0.0005 %
Sulfate (SO₄)≤ 0.005 %
Total nitrogen (N)≤ 0.001 %
Heavy metals (as Pb)≤ 0.0005 %
As (Arsenic)≤ 0.00005 %
Cu (Copper)≤ 0.0002 %
Fe (Iron)≤ 0.0005 %
K (Potassium)≤ 0.005 %
Pb (Lead)≤ 0.0005 %
Reducing substancespasses test
Loss on drying (130 °C)57.0 - 61.0 %
Corresponds to ISO,Reag. Ph Eur
Global Trade Item Number
Catalogue Number GTIN
1065790500 04022536079400
1065791000 04022536079424
1065795000 04022536079448
1065799025 04027269077334


di-Sodium hydrogen phosphate dodecahydrate SDS


Safety Data Sheet (SDS) 

di-Sodium hydrogen phosphate dodecahydrate Certificates of Analysis

Product Number PackagingSpecificationLot Number
1065790500 Plastic bottlePDF Specification Document
1065791000 Plastic bottlePDF Specification Document
1065795000 Plastic bottlePDF Specification Document
1065799025 Fibre cartonPDF Specification Document


Inorganics & Solvents for classical analysis
More Than Sure
Smart Up your lab