| Product Name: | Zinc sulfate heptahydrate | Other Name: | Sulfuric acid,zinc salt,hydrate (1:1:7);Sulfuric acid,zinc salt (1:1),heptahydrate;White vitriol;Zinc sulfate heptahydrate;Zinc vitriol;Zinc sulfate (ZnSO4) heptahydrate;Zinc(II) sulfate heptahydrate;ZnSO4·7H2O;Zinc sulfate heptahydrate ZnSO4·7H2O;57130-83-3;57130-85-5;223776-82-7;2319654-25-4 |
| CAS No.: | 7446-20-0 | Molecular Formula: | H2O4S.7H2O.Zn |
| InChIKeys: | InChIKey=NNZHJLSOHIKBPJ-UHFFFAOYSA-N | Molecular Weight: | 287.55000 |
| Exact Mass: | 285.95500 | EC Number: | 616-097-3 |
| UNII: | N57JI2K7WP | ICSC Number: | 0349 |
| DSSTox ID: | DTXSID0040175 | HScode: | 2833293000 |
| Categories: | Fertilizers |
| PSA: | 153.25000 | XLogP3: | -0.70980 |
| Appearance: | Liquid | Density: | 3″>1.97 g/cm3 |
| Melting Point: | 100 °C | Boiling Point: | 330ºC at 760 mmHg |
| Water Solubility: | H2O: 960 g/L | Storage Conditions: | Store at RT. |
| Toxicity: | LD50 orally in Rabbit: 1260 mg/kg |
Classification of the substance or mixture
Acute toxicity – Category 4, Oral
Serious eye damage, Category 1
Hazardous to the aquatic environment, short-term (Acute) – Category Acute 1
Hazardous to the aquatic environment, long-term (Chronic) – Category Chronic 1
GHS label elements, including precautionary statements
| Pictogram(s) | ![]() |
|---|---|
| Signal word |
Danger |
| Hazard statement(s) |
H302 Harmful if swallowed H318 Causes serious eye damage H410 Very toxic to aquatic life with long lasting effects |
| Precautionary statement(s) | |
| Prevention |
P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/… P273 Avoid release to the environment. |
| Response |
P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help. P391 Collect spillage. |
| Storage |
none |
| Disposal |
P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal. |
Other hazards which do not result in classification
no data available
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Well closed. Store in an area without drain or sewer access.

