ZINC SULFATE HEPTAHYDRATE FOR ANALYSIS (C005B-076220)

Linkage

Replaces: ZX0105; ZX0105-1; ZX0105-20

Analysis Note

Assay (complexometric): 99.5 - 103.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water, 25 °C): 4.4 - 5.6
Chloride (Cl): ≤ 0.0005 %
Total nitrogen (N): ≤ 0.0005 %
Nitrate (NO₃): ≤ 0.002 %
As (Arsenic): ≤ 0.00005 %
Ca (Calcium): ≤ 0.001 %
Cd (Cadmium): ≤ 0.0005 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.001 %
Mg (Magnesium): ≤ 0.001 %
Mn (Manganese): ≤ 0.0003 %
Na (Sodium): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.001 %
Pb (Lead): ≤ 0.001 %
Corresponds to ACS, ISO, Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Molecular Weight: 287.56. Empirical Formula: O₄SZn · 7H₂O. linearFormula: ZnSO₄ · 7H₂O. grade: ACS reagent. Quality Level: 300. Agency: reag. ISO, reag. Ph. Eur.. product line: EMSURE^®. . Assay: 99.5-103.0% (complexometric). form: solid. potency: 1260 . mg/kg LD₅₀, oral (Rat). impurities: ≤. 0.01% Insoluble matter. pH: 4-6 (20 . °C, 50 . g/L in H₂O). mp: 100 . °C. solubility: 965 . g/L. density: 1.97 . g/cm³ . at 20 . °C. bulk density: 800‑. 1000 . kg/m³. anion traces: chloride (Cl^-): ≤. 0.0005%, nitrate (NO₃^-): ≤. 0.002%. cation traces: As: ≤. 0.00005%, Ca: ≤. 0.001%, Cd: ≤. 0.0005%, Cu: ≤. 0.0005%, Fe: ≤. 0.0005%, K: ≤. 0.001%, Mg: ≤. 0.001%, Mn: ≤. 0.0003%, N: ≤. 0.0005%, NH₄⁺: ≤. 0.001%, Na: ≤. 0.001%, Pb: ≤. 0.001%. storage temp.: 2-30°C. SMILES string: O.O.O.O.O.O.O.[Zn++].[O-]S([O-])(: O): O. InChI: 1S/H2O4S.7H2O.Zn/c1-5(2,3)4. . . . . . . . /h(H2,1,2,3,4). 7*1H2. /q. . . . . . . . +2/p-2. InChI key: RZLVQBNCHSJZPX-UHFFFAOYSA-L. Pictograms: GHS05,GHS07,GHS09. Signal Word: Danger. Hazard Statements: H302 - H318 - H410. Precautionary Statements: P264 - P270 - P273 - P280 - P301 + P312 - P305 + P351 + P338. Hazard Classifications: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1. Storage Class Code: 13 - Non Combustible Solids. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable.