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Quick Details

  • Classification: Sulphate
  • Type: Zinc Sulphate
  • CAS No.: 7446-20-0
  • Other Names: Zinc Sulfate Hepta
  • MF: ZnSO4.7H2O
  • EINECS No.: 231-793-3
  • Place of Origin: Hunan, China (Mainland)
  • Grade Standard: Agriculture Grade, Electron Grade, Food Grade, Industrial Grade, Medicine Grade, Reagent Grade
  • Purity: 21%
  • Appearance: White crystal
  • Application: Emetic, supplement, displacement agent,fertlizer
  • Brand Name: Green Mountain
  • Model Number: 21%
  • Name: Zinc sulphate heptahydrate
  • Other Name: Zinc sulphate hepta
  • Apperance: white crystal
  • Grade: Industrial Grade Fertilizer Grade

Packaging & Delivery

Packaging Details 25kg pp woven bag with inner film bag ;
1000kg/1200kg/1250kg pp woven bulk bag with innder film bag ;
OEM packing is avalaible
Delivery Time PROMPT

Zinc Sulphate Heptahydrate Crystal 21%

Certificate : BV, SGS , Intertek, CIQ, ISO9001:2008

Factory capacity: 2000 tons / Month


Chemical Formular: ZnSO4.7H2O

CAS No.: 7446-20-0

Propertities: White crystal, efflorescence to white powder . dehydrated in 280 °C, decompoed in 500 °C . relative density 1.975 . melting point 100 °C.




white or slight yellow crystal

Main content

98% min


21-22% min


10ppm max


20ppm  max

Water insoluble

 0.05% max


 20ppm max


 1ppm max



1 , emetic, supplement, displacement agent
2 , zinc supplement and pesticide;
3 , industrial material ; mordant agent of printing and dyeing, preserv agent;water treatment agent; mineral separation agent



25kg pp woven bag with inner film bag ;

1000kg pp woven bulk bag with innder film bag ;

Or at client request




Our Advantages
- Consistent Superior Quality and Reliability
- Immediate Shipping Capability
- Specializing in Micro nutrients chemicals for more than 15 years 
- Recognized by more than 200 customers overseas 
- Exporting over 35, 000 tons of Micro nutrients and water soluble chemicals annually


Company Information


Joyce Han Business Department

Changsha Green Mountain Chemical Co., Ltd.(ISO9001:2000)

Rm 804 Unit 2  Bldg 6, No. 199 East Renmin Road, Changsha, Hunan 410016, China

Tel: +86-731-84425162  |  Fax: +86-731-84429162

Mob: +86-13467681616(Whatsapp)  |  Skype: joycehan86


Transaction History of the Supplier

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Trade Assurance
China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
1 Transactions 1+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $77,000
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