31665

Zinc sulfate heptahydrate

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%

• Linear Formula: ZnSO₄ · 7H₂O
• CAS Number: 7446-20-0
• Molecular Weight: 287.56
• EC Number: 231-793-3
• MDL number: MFCD00149894
• UNSPSC 코드: 12352302
• PubChem Substance ID: 329753872
• NACRES: NA.21

속성

• Grade: ACS reagent
• Quality Level: 200
• Agency: USP/NF; reag. ISO; reag. Ph. Eur.
• grade: puriss. p.a.
• 분석: ≥99.5%
• 양식: powder or crystals
• 불순물: ≤0.0005% total nitrogen (N)
• pH: 4.4-5.6 (20 °C, 5%)
• 음이온 미량물: chloride (Cl^-): ≤5 mg/kg
• 양이온 미량물: As: ≤0.5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤2 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤10 mg/kg; Mg: ≤10 mg/kg; Mn: ≤2 mg/kg; Na: ≤5 mg/kg; Pb: ≤5 mg/kg
• 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

설명

일반 설명

Zinc sulfate heptahydrate has various industrial applications. It is widely employed as an electrolyte for zinc electroplating and for the storage of solar energy in various solar appliances. Its crystals exhibit diamagnetism.

애플리케이션

Zinc sulfate heptahydrate may be used in the following studies:

• To compose electrolyte for the electrodeposition of Cu-Zn-Sn precursors on Mo-coated glass substrates.
• Preparation of internal standard (IS) working solution for use in liquid chromatography (LC) coupled with mass spectrometry (MS) analysis.
• Titrimetric estimation of holmium content in the holmium loaded poly(L-lactic acid) films and microspheres.

안전성 정보

• 픽토그램: GHS05,GHS07,GHS09
• 신호어: Danger
• 유해 및 위험 성명서: H302,H318,H410
• 예방조치 성명서: P264 - P273 - P280 - P301 + P312 - P305 + P351 + P338 - P391
• 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