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Zinc sulfate heptahydrate
Applications
- Crystallization grade Zinc sulfate heptahydrate for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Zinc sulfate heptahydrate
Synonyms: None
ZnSO4 • 7H2O
Mr 287.56 (161.46 without water)
CAS Number [7446-20-0]
EC Number 231-793-3
RTECS ZH5300000
Merck 14,10159
MDL Number MFCD00149894
Purity ≥ 99.5%
UN Number UN 3077 9/PG 3
Measured pH range: 3.4 – 4.4 at 25°C
Measured Conductivity Range: 54.1 - 57.6 mS/cm at 25°C
Measured Refractive Index Range: 1.38196 - 1.38598 at 20°C
As ≤0.00005%
Ca ≤0.001%
Cd ≤0.0002%
Cl ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.001%
Mg ≤0.001%
Mn ≤0.0002%
N ≤0.0005%
Na ≤0.0005%
Pb ≤0.0005%
Support Material(s)
HR2-641 Zinc sulfate heptahydrate SDSCertificate Of Analysis
References
1. Crystallization and preliminary X-ray diffraction studies of psoriasin. Nolsoe, S; Thirup, S; Etzerodt, M; Thogersen, HC; Nyborg, J. Acta Crystallogr D 53, 119- 121, 1997.