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Sylvite-potassium sulfate

36 Inquiries

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CAS No.:

7778-80-5

Grade:

Agricultural Grade

Content:

50%

Port:

QINGDAO

Brand:

hailei

Packaging:

25KG Bag, 50KG Bag, 1000KG Bag

Price valid (until):

2025-06-30

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HAIHUALIWEICHEM

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Magnesium Chloride Hexahydrate (Natural),Refined Industrial Salt,Sodium Chloride,Potassium Sulfate (SOP)

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Product Description
Seller Information
Inquiry History

Description

Potassium Sulfate(SOP)

CAS: 7778-80-5

Molecular Weight: 174.24

Molecular Formula: K₂SO₄Usage:
1. A highly-concentrated fertilizer containing two nutrients, 50% K₂O and 18% S;

2. An ideal potassium and sulfur fertilizer for the production of pollution-free fruits, vegetables, ornamental plants and special crops;

3. Easily soluble in water, and can provide fast and effective potassium and sulfur for crops;

4. A high-efficient potassium fertilizer that does not contain free acid and can be used as base fertilizer, flushing fertilizer, and foliar fertilizer;

5. A high-quality raw material for producing high-grade complex fertilizer and compound fertilizer.

6. Granular potassium sulfate is beneficial to mechanical cultivation, and can make plants absorb slowly. It is the ideal raw material for making bulk blending fertilizer.

Items:

ITEM	Crystal Powder			Granule
ITEM	Premium Product	First-class Product	Quality Product	Premium Product	First-class Product	Quality Product
K₂O % ≥	50.0	50.0	45.0	50.0	50.0	40.0
Cl^-% ≤	1.0	1.5	2.0	1.0	1.5	2.0
H₂O% ≤	0.5	1.5	3.0	0.5	1.5	3.0
free acid (H₂SO)₄% ≤	1.0	1.5	2.0	1.0	1.5	2.0
Size(1.00mm-4.75mm or 3.5mm-5.60mm)% ≥	-	-	-	90	90	90

Package: 25KG Bag, 50KG Bag, 1000KG Bag

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Basic Info

Product Name:

Potassium sulfate

Other Name:

Sulfuric acid potassium salt (1:2);Sulfuric acid dipotassium salt;Potassium sulfate (2:1);Arcanum duplicatum;Potassium sulfate;Sal polychrestum;Tartarus vitriolatus;Dipotassium sulfate;Potassium sulfate (K2(SO4));Potassium sulphate;Potassium sulfate (K2SO4);Sulfuric acid,dipotassium salt;Sulfate of potash

CAS No.:

7778-80-5

Molecular Formula:

H2O4S.2K

InChIKeys:

InChIKey=RELBRYJDPFWCIM-UHFFFAOYSA-N

Molecular Weight:

174.25900

Exact Mass:

173.87900

EC Number:

233-558-0

UNII:

1K573LC5TV

ICSC Number:

1451

DSSTox ID:

DTXSID6029701

Color/Form:

COLORLESS OR WHITE CRYSTALS, OR WHITE GRANULES OR POWDER|COLORLESS, RHOMBIC OR HEXAGONAL CRYSTALS

HScode:

3105100090

Categories:

Fertilizers

Characteristics

PSA:

88.64000

XLogP3:

-0.25720

Appearance:

white crystalline powder

Density:

2.66 g/cm³

Melting Point:

1067 °C

Boiling Point:

1689 °C

Flash Point:

1689ºC

Refractive Index:

INDEX OF REFRACTION: 1.494, 1.495, 1.497

Water Solubility:

H2O: 110 g/L (20 ºC)

Storage Conditions:

Store at RT.

Toxicity:

LD50 orally in Rabbit: 6600 mg/kg

Odor:

ODORLESS

Taste:

HARD, BITTER, SALINE TASTE

Experimental Properties:

TRANSITION POINT: 588 °C

See More Potassium sulfate Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

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

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Potassium sulfate Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Magnesium Chloride Hexahydrate (Natural),Refined Industrial Salt,Sodium Chloride,Potassium Sulfate (SOP)

Location:
Lingang Chemical Park,Binhai Economic Development Zone,Weifang,Shandong,China

Payment Terms:
TT against copy of documents,L/C,100% TT in advance

Average lead Time:
14

Total Annual Revenue:
$25 million-$50 million

Total Employees:
501-1000

Year of Establishment:
2023

Shandong Haihua Liwei New Material Co., Ltd ( formerly Shandong Haihua Group potassium sulfate plant) is a comprehensive utilization enterprise of bittern resources as a supporting enterprise of Shandong Haihua Group Yangkou Salt Plant. Annual production capacity of the plant: Potassium Sulphate 20,000MT, Magnesium Chloride Hexahydrate (Flakes, Granule type) 100,000MT and Refined Salt 24,000 MT.

The production process of the plant is unique in China and has reached the international advanced level which has won the Third prize of National Science and Technology Invention Award, Second Prize of China Light Industry Federation, Second Prize of Shandong Economic and Trade Commission and has obtained the national key new product potassium sulfate certificate.

The plant has strong technical force, standardized production management, complete testing means and and stable product quality. Production of Potassium sulfate and magnesium chloride production have obtained ISO9001:2000 international quality system certification and ISO14001 environmental management system certification. The magnesium chloride has won the Magnesium Chloride Superior Certificate issued by China Magnesite & Material Association. Potassium sulfate and magnesium chloride are evaluated as National Stable Quality Qualified Products by China Quality Inspection Association and has obtained both the certificate and the bronze medal of the title. In March, 2017, magnesium chloride has got the admission certificate of China Magnesite & Material Association.

The plant ranks in the leading position in the industry in China in the comprehensive utilization of bitter brine resources. "Hailei brand" potassium sulfate and magnesium chloride are the only products made of underground brine as raw materials in China. Company commitment: Persistently provide customers with high quality products and services, ensure the efficiency and value of products in use in order to meet the requirements of the contract signed with customers, to achieve the commitment to customers.

Quality policy: adhere to the people-oriented, continuous improvement and innovation, to provide customers with satisfactory products and services, to meet the growing new needs of customers.
Environmental Policy：Comprehensive utilization, Sustainable development, Care for Hailei, Creat an example of environmental protection.

Inquiry History

36 Inquiries

Country	Product	Purchase Quantity	Date Posted
Lithuania	Powder and Granular Sop / Potassium Sulphate CAS 7778-80-5 99%	1 MT	Dec 18, 2023
Germany	Potassium Sulfate	100 MT	Apr 16, 2026
Egypt	Potassium Sulphate	2000 MT	Mar 2, 2026
Poland	Potassium Sulfate	480 TON	Apr 10, 2025
Egypt	Potassium Sulfate	2000 MT	Mar 5, 2026
India	POTASSIUM SULPHATE Crystals	100.00 MT	Jul 29, 2025
United States	Potassium sulfate	5 40' Fcl	Jul 25, 2025
United Arab Emirates	Potassium sulphate	100.00 MT	Jun 6, 2025
Vietnam	Potassium sulfate	2 20' Fcl	May 10, 2025
Saudi Arabia	potassium sulphate	100.00 MT	Mar 25, 2025
China	potassium sulfate	2 MT	Jan 16, 2025
Pakistan	potassium sulfate	1.00 20' Fcl	Jan 6, 2025
United Arab Emirates	Potassium Sulphate	500.00 MT	Aug 14, 2024
South Africa	Potassium Sulphate	10000 MT	Aug 9, 2024
India	Potassium sulphate Agriculture grade	500.00 KG	Aug 7, 2024
Yemen	Potasium Sulfate ( Low in Nitrogen) 99%	2 MT	Aug 1, 2024
United Arab Emirates	Potassium Sulphate	100.00 MT	Jul 3, 2024
India	Potassium sulphate	100.00 MT	Jun 24, 2024
Bulgaria	Potassium Sulfate	8700 PCS	Nov 7, 2025
China	Potassium sulfate	1 MT	Aug 21, 2025

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