Item No. HW-S9763-5KG

Sodium Phosphate dibasic, ACS Reagent, =99.0%

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5KG (1)

Overview

Overview


Name: Sodium phosphate dibasic
Synonymns: sec-Sodium phosphate; Disodium hydrogen phosphate; Disodium phosphate; Sodium hydrogenphosphate
Description: ACS Reagent, ≥99.0%

Container Type: Plastic Bottle

Molar Mass: 141.96 g/mol

Empirical Formula: HNa2O4P
Linear Formula: Na2HPO4

CAS Number: 7558-79-4
EC Number: 231-448-7
MDL Number: MFCD00003496
RTECS Number: WC4500000
UNSPSC Code: 12352302

Properties

Properties


SPECIFICATIONS

Assay: min. 99.0 %
pH (5 %, 25 °C): 8.7 - 9.3
Loss on drying (105°C): max. 0.2 %
Water insoluble matter: max. 0.01 %
Iron (Fe): max. 20 ppm
Heavy metals (as Pb): max. 0.001 %
Chloride (Cl): max. 20 ppm
Sulfate (SO4): max. 50 ppm



PHYSICAL PROPERTIES

pKa (25 °C): (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)




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