| PRODUCT IDENTIFICATION | |
| CAS NO. | 7446-20-0 |
| EINECS NO. | 231-793-3 |
| FORMULA | ZnSO4.7H2O |
| MOL WT. | 287.55 |
| H.S. CODE | 2833.26 |
| TOXICITY | Oral rat LD50: 2150 mg/kg |
| SYNONYMS | Sulfuric acid, zinc salt (1:1), heptahydrate; White vitriol;Zinc sulfate (1:1) heptahydrate; Zinc sulfate heptahydrate; Zinc vitriol (heptahydrate); |
| PHYSICAL AND CHEMICAL PROPERTIES | |
| PHYSICAL STATE | White Crystalline powder or Granular |
| MELTING POINT | 100 C |
| BOLING POINT | 500 C (Decomposes) |
| SPECIFIC GRAVITY | 1.97 |
| SOLUBILITY IN WATER | 54g/10ml at 20 C |
| pH | 5 – 7 |
| NFPA RATINGS | Health: 1; Flammability: 0; Reactivity: 0 |
| FLASH POINT | Not considered to be a fire hazard |
| STABILITY | Stable under ordinary conditions |
| SALES SPECIFICATION | |
| APPEARANCE | White Crystalline powder or Granular |
| PURITY | 98.0%min |
| Zn | 22.0% min |
| WATER INSOLUBLES | 0.1% max |
| Mg | 0.5% max |
| Cu | 0.1% max |
| Ca | 0.1% max |
| As | 10ppm max |
| Pb | 5ppm max |
| PARTICLE SIZE | 60 – 100mesh (Powder) , 10-50mesh (Granular) |
