| Customization: | Available |
|---|---|
| CAS No.: | 7446-20-0 |
| Formula: | Znso4 7H2O |
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1. Chemical Name: zinc sulfate heptahydrate
2. Molecular Formula: ZnSO4·7H2O
3. Molecular Weight: 287.54
4. CAS: 7446-20-0
5. Expiration: 24 months
6. Character: It is colorless, transparent prisms or small needles, or as a granular, crystalline powder. It contains one or seven molecules of water of hydration. The heptahydrate effloresces in dry air at room temperature. Its solutions are acid to litmus.
7. Usages: Nutrient.
| Test item | Standard |
| Identification | Passes test |
| Assay(ZnSO4·7H2O) % | 99.0-108.7 |
| Acidity | Passes test |
| Alkalies and alkaline earths % | ≤0.50 |
| Cd mg/kg | ≤2.0 |
| Lead mg/kg | ≤4.0 |
| Hg mg/kg | ≤5.0 |
| Se % | ≤0.003 |
You are welcome to visit our factory at your convenience.
1. Your inquiry will be replied within 4 hours. (Online service)
2. Free samples can be sent on request.
3. Small quantity is also available. The MOQ is 25kgs.
4. We have more than 10 years experience in sales and production.
5. Customized packaging and production are available.
6. Your products can be delivered on time.
7. We have professional forwarders in different ports.
8. Different payment terms can be chosen like L/C, D/P, T/T, Paypal, Credit card or else.
1. How long can I get your reply?
A: Within 4 hours.
2. May I get some samples?
A: Free sample can be sent on your request but express charges are on your account.
3. Is this price on the page correct?
A: The listed price is only for reference, for latest price, please contact us directly.
4. What is your delivery time?
A: 3-5 working days normally and it depends on your quantity and our stock.
5. What is your payment term?
A: L/C, D/P, T/T, Paypal, Credit card or else.
6. Where is your loading port?
A: Lianyungang, Qingdao, Shanghai, Ningbo and other China main ports.
7. May I visit your factory?
A: Welcome to visit our factory at your convenience.
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