Merck 106521 0100 Sodium Molybdate Dihydrate Gr For Analysis 100 GR.

Merck 106521 0100 Sodium Molybdate Dihydrate Gr For Analysis 100 GR.

73.25 ( KDV Dahil )

for analysis EMSURE® ACS,Reag. Ph Eur

Stok kodu: 106521.0100 Kategoriler: ,

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Description
Catalogue Number 106521

Product Information
CAS number 10102-40-6
EC number 231-551-7
Grade ACS,Reag. Ph Eur
Hill Formula Na₂MoO₄ * 2 H₂O
Chemical formula Na₂MoO₄ * 2 H₂O
Molar Mass 241.95 g/mol
HS Code 2841 70 00
Quality Level MQ300

Physicochemical Information
Density 2.71 g/cm3 (22 °C) (for the dihydrate)
Melting Point 687 °C Elimination of water of crystallisation
pH value 9 – 10 (840 g/l, H₂O, 20 °C)
Bulk density 1000 – 1400 kg/m3
Solubility 840 g/l

Toxicological Information
LD 50 oral LD50 Rat 4233 mg/kg
LD 50 dermal LD50 Rat > 2000 mg/kg

Safety Information according to GHS
RTECS QA5085000
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
Assay (precipitative titration) 99.5 – 103.0 %
pH-value (5 %; water, 25 °C) 7.0 – 10.5
Insoluble matter ≤ 0.005 %
Chloride (Cl) ≤ 0.005 %
Nitrate (NO₃) ≤ 0.005 %
Phosphate (PO₄) ≤ 0.0005 %
Phosphate, Arsenate, Silicate (as PO₄) ≤ 0.001 %
Sulfate (SO₄) ≤ 0.005 %
Fe (Iron) ≤ 0.001 %
NH₄ (Ammonium) ≤ 0.001 %
Pb (Lead) ≤ 0.001 %
Heavy metals (as Pb) ≤ 0.0005 %
Corresponds to ACS, Reag. Ph Eur
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