Hunan, China
Business Type:
Manufacturer/Factory, Trading Company
Registered Capital:
2000000 RMB
Plant Area:
<100 square meters
Management System Certification:
ISO 9001, ISO 14001, ISO 20000, ISO 22000
Average Lead Time:
Peak season lead time: within 15 workdays
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available

Potassium Sulphate Food Grade, 7778-80-5, Potassium Sulphate Fertillizer manufacturer / supplier in China, offering Potassium Sulphate CAS No. 7778-80-5 Potassium Sulfate, Cellulose Film or Cellophane Paper, Calcium L-Threonate CAS No. 70753-61-6 and so on.

Gold Member Since 2019
Audited Supplier
Supplier Homepage Products sulfate / Acetate Potassium Sulphate CAS No. 7778-80-5 Potassium Sulfate

Potassium Sulphate CAS No. 7778-80-5 Potassium Sulfate

Purchase Qty. / Reference FOB Price
1,000-19,999 kg US $2
20,000+ kg US $0.4
Port: Qingdao, China
Production Capacity: 10000mt/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
CAS No.: 7778-80-5
Formula: K2so4
EINECS: 231-915-5
Certification: ISO9001
Application: Vegetables, Flowers, Fruit
Appearance: Powder

You Might Also Like


Basic Info.

Model NO.
food / feed grade
Infection on Soil
Physiological Neutral
Chemical Character
Chemical Neutral
Release Type
Potassium Without Chloride
Potassium Sulphate
Dry and Cool Place
Molecular Weight
Transport Package
food/ feed grade
HS Code

1,Chemical Name: Potassium Sulfate
2,Molecular Formula : K2SO4
3,Molecular Weight: 174.26
4,CAS: 7778-80-5
5,Character: It occurs as colorless or white hard crystal or as crystalline powder. It tastes bitter and salty. Relative density is 2.662. 1g dissolves in about 8.5mL of water. It's insoluble in ethanol and acetone. The pH of 5% aqueous solution is about 5.5 to 8.5.
6,Usage: It is used as seasoning and salt substitute. 
7,Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8.Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.SENSE REQUIREMENTS
ColorWhite Or ColorlessTake some sample and put it into a 50ml beaker. Observe the color and appearance under natural light.ColorlessPass
AppearanceGranules Or Crystalline PowderGranulesPass
K2SO4( AS PER SO4) W/% ≥99.099.28As per customer requirePass
K2SO4( AS PER K) W/%≥99.099.25As per customer requirePass
Moisture w/%≤1.00.11As per customer requirePass
Water Insoluble w/%≤0.10.04As per customer requirePass
Ph6.0-8.07.25As per customer requirePass
Magnesium  % ≤0.01<0.01As per customer requirePass
Iron %≤0.001<0.001As per customer requirePass
Calcium %≤0.03<0.03As per customer requirePass
Chloride(as potassium chloride w/%≤0.02<0.02As per customer requirePass
GritPass testPass testAs per customer requirePass
Mesh size100% pass through US Sieve No.50
5% max Retained on US Sieve no.70
Pass testAs per customer requirePass


Grade: Agriculture & Fertilizer
SOP Specification:
ItemsSpecifications:Test ResultsUnit
K2O50 Min50.8%
Chloride1.5 Max1.4%
Moisture1.5 Max0.8%
Free Acid1.5 Max1.4%
AppearanceWhite powder
ItemsSpecifications:Test ResultsUnit
K2O52 Min52.7%
Chloride1.5 Max1.4%
Moisture1.5 Max0.5%
S17.5 Min18%
Free Acid3.0 Max1.5%
AppearanceWhite powder

Fertilizer/Sop (0-0-52) /Potassium Sulphate/Sulphate of Potash, High Quality
SOP Packaging:

Package: 9.5/9.9 kg/50Kg/Ton bag per PP bag with PE inner bag.
Delivery : ship by container or bulk vessel.

Fertilizer/Sop (0-0-52) /Potassium Sulphate/Sulphate of Potash, High Quality
SOP Application:

1) Used as potassium fertilizer in agriculture.
2) Mainly used as the raw material of Blending NPK. 
3) Used as settling agent in glass industry.
4) Used as intermediate in dyeing industry.
5) Used for producing potassium sale, potassium carbonate, potassium persulphate.
Fertilizer/Sop (0-0-52) /Potassium Sulphate/Sulphate of Potash, High Quality

Our Services

1.Supply sample
2.The packing also can be according the customers` requirment
3.Any inquiries will be replied within 24 hours
4.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
5.Factory price.
6.Prompt delivery. We have good cooperation with many professional forwarders, We can send the products to you once you confirm the order.
7.We can accept various payment methods, L/C, T/T, D/A, D/P, O/A, paypal, Western Union etc., and we cooperate with Sinosure many years.
About us

1.More than 10 years chemical exporting experience
We have produced chemical more than fifteen years., 80% products are for export .
More than 10 years chemical exporting experience. Good and stabilized factory price.
2.Supply sample
Before order , we can send the sample for your testing . We ensure the quality is the same as bulk quantity.


Send your message to this supplier

avatar Mr. Terry

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now