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di-Sodium hydrogen phosphate dihydrate

Name: di-Sodium hydrogen phosphate dihydrate
Grade: USP 
Application: Synthesis, Pharma, Liquid chromatography, pH adjustment
Synonyms: Sodium phosphate dibasic, disodium phosphate
CAS Number: 10028-24-7  EC Number: 231-448-7 Molar Mass: 177.99 g/mol Chemical Formula: Na2HPO4 . 2H2O
Download: Datasheet | CoA | SDS
داروسازی- کروماتوگرافی مایع – نمک ها – سنتز و واکنشهای شیمیایی – pH تنظیم
General information

General information

Chemical formula: Na2HPO4 . 2H2O Molar Mass: 177.99 g/mol
Appearance: White solid Density:  2.1  g/cm3   (20 °C)
Solub. in water: 93 g/I  (20 °C) Melting point: > 92.5 °C
pH value:  9.0 – 9.4 (50 g/l, H₂O, 20 °C) Thermal decomposition: > 92.5 °C
Storage temp.: Below  +30 °C Cautions: Maybe irritant
R: N/A S:  N/A
HS-No.:  2835  22  00 EC-Index-No.:  231-448-7

Specification

Specification

Assay (by acidimetry) 98.0 -100.5 %
Solubility Conforms
Chloride 0.06 %
Sulfate 0.2 %
Insoluble substances 0.4 %
Loss on drying (130 °C ) 18.5 – 21.5 %
Identification (Sodium) Conforms
Identification (Phosphate) Conforms
Elemental Impurities & Heavy Metals See COA
Residual solvents See COA

Ordering code

Ordering code

Ordering code 1 kg 2.5 kg 5 kg 10 kg 20 kg
P.E. 421.04.01000.02 421.04.05000.02 421.04.10000.02
Glass

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