Zinc sulfate heptahydrate
SIGALD/31665 - puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%
CAS Number: 7446-20-0
Empirical Formula (Hill Notation): O4SZn · 7H2O
Molecular Weight: 287.56
EC Number: 231-793-3
MDL Number: MFCD00149894
Linear Formula: ZnSO4 · 7H2O
Product Type: Chemical
| agency | reag. ISO |
| reag. Ph. Eur. | |
| USP/NF | |
| anion traces | chloride (Cl-): ≤5 mg/kg |
| assay | ≥99.5% |
| cation traces | 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 | |
| form | powder or crystals |
| grade | ACS reagent |
| puriss. p.a. | |
| impurities | ≤0.0005% total nitrogen (N) |
| InChI | 1S/H2O4S.7H2O.Zn/c1-5(2,3 |
| InChI key | RZLVQBNCHSJZPX-UHFFFAOYSA |
| pH | 4.4-5.6 (20 °C, 5%) |
| Quality Level | 200  |
| SMILES string | O.O.O.O.O.O.O.[Zn++].[O-] |
| Application: | 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. |
| General description: | 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. |
| Symbol |    GHS05,GHS07,GHS09 |
| Signal word | Danger |
| Hazard statements | H302 - H318 - H410 |
| Precautionary statements | P264 - P270 - P273 - P280 - P301 + P312 - P305 + P351 + P338 |
| Hazard Codes | Xn,N |
| Risk Statements | 22-41-50/53 |
| Safety Statements | 22-26-39-46-60-61 |
| RIDADR | UN 3077 9 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% |
| UNSPSC | 12352300 |