Sodium Dihydrogen Phosphate anhydrous 99 99 Suprapur

ürün Kodu : 106370.0050

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Ürün Grubu : Merck Kimyasalları

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Description
Catalogue Number 106370
Synonyms Sodium biphosphate
Product Information
CAS number 7558-80-7
EC number 231-449-2
Hill Formula H₂NaO₄P
Chemical formula NaH₂PO₄
Molar Mass 119.98 g/mol
HS Code 2835 22 00
Quality Level MQ100
Applications
Application Sodium dihydrogen phosphate anhydrous 99.99 Suprapur®. CAS No. 7558-80-7, EC Number 231-449-2.
Physicochemical Information
pH value 4.0 - 4.5 (50 g/l, H₂O, 25 °C)
Bulk density 940 kg/m3
Solubility 850 g/l
Toxicological Information
LD 50 oral LD50 Rat 8290 mg/kg
LD 50 dermal LD50 Rabbit > 7940 mg/kg
Safety Information according to GHS
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 14
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).
Storage and Shipping Information
Storage Store at +2°C to +30°C.
Specifications
Purity (metallic) ≥ 99.99 %
Assay (acidimetric) ≥ 99.0 %
Spec. Absorbance A at 260 nm (2 cm; 10 %) ≤ 0.020
Chloride (Cl) ≤ 5 ppm
Sulfate (SO₄) ≤ 30 ppm
Total nitrogen (N) ≤ 10 ppm
As (Arsenic) ≤ 0.05 ppm
Ba (Barium) ≤ 10.0 ppm
Ca (Calcium) ≤ 0.50 ppm
Cd (Cadmium) ≤ 0.010 ppm
Ce (Cerium) ≤ 0.010 ppm
Co (Cobalt) ≤ 0.010 ppm
Cs (Cesium) ≤ 5 ppm
Cu (Copper) ≤ 0.010 ppm
Eu (Europium) ≤ 0.010 ppm
Fe (Iron) ≤ 0.05 ppm
Hg (Mercury) ≤ 0.05 ppm
K (Potassium) ≤ 5.0 ppm
La (Lanthanum) ≤ 0.010 ppm
Li (Lithium) ≤ 1.0 ppm
Mg (Magnesium) ≤ 0.50 ppm
Mn (Manganese) ≤ 0.010 ppm
Ni (Nickel) ≤ 0.010 ppm
Pb (Lead) ≤ 0.010 ppm
Rb (Rubidium) ≤ 5.0 ppm
Sm (Samarium) ≤ 0.010 ppm
Sr (Strontium) ≤ 0.50 ppm
Tl (Thallium) ≤ 0.01 ppm
Y (Yttrium) ≤ 0.010 ppm
Yb (Ytterbium) ≤ 0.010 ppm
Zn (Zinc) ≤ 0.010 ppm

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