Related Searches: Potassium sulfate, potassium aluminum sulfate, Aluminium potassium sulfate dodecahydrate, aluminium potassium sulfate, potassium hydrogen sulfate, View all

Potassium sulfate(CAS No. 7778-80-5)

Potassium sulfate K2SO4 (cas 7778-80-5) Molecular Structure

7778-80-5 Structure

Identification and Related Records

【Name】
Potassium sulfate
【CAS Registry number】
7778-80-5
【Synonyms】
Sulfuricacid dipotassium salt (8CI,9CI)
Arcanum duplicatum
Dipotassium sulfate
Sulfuric acid potassiumsalt (1:2)
Potassium sulfate (K2(SO4))
Potassium sulfate (K2SO4)
Potassium sulphate
Sal polychrestum
Sulfuric acid, dipotassium salt
Tartarusvitriolatus
【EINECS(EC#)】
231-915-5
【Molecular Formula】
K2SO4 (Products with the same molecular formula)
【Molecular Weight】
174.24
【Inchi】
InChI=1/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
【InChIKey】
OTYBMLCTZGSZBG-UHFFFAOYSA-L
【Canonical SMILES】
[O-]S(=O)(=O)[O-].[K+].[K+]
【MOL File】
7778-80-5.mol

Chemical and Physical Properties

【Appearance】
white crystalline powder
【Density】
2.662
【Melting Point】
1067℃
【Boiling Point】
1689℃
【Flash Point】
1689 °C
【Water】
110 g/L (20℃)
【Solubilities】
110 g/L (20 oC) in water
【Color/Form】
COLORLESS OR WHITE CRYSTALS, OR WHITE GRANULES OR POWDER
COLORLESS, RHOMBIC OR HEXAGONAL CRYSTALS
【Stability】
Stable.
【HS Code】
31043000
【Storage temp】
Store at RT.
【Spectral properties】
INDEX OF REFRACTION: 1.494, 1.495, 1.497
【Computed Properties】
Molecular Weight:174.2592 [g/mol]
Molecular Formula:K2O4S
H-Bond Donor:0
H-Bond Acceptor:4
Rotatable Bond Count:0
Exact Mass:173.879143
MonoIsotopic Mass:173.879143
Topological Polar Surface Area:88.6
Heavy Atom Count:7
Formal Charge:0
Complexity:62.2
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:0
Defined Bond Stereocenter Count:0
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:3

Safety and Handling

【Safety Statements 】
S22;S24/25
【Safety】

Safety Statements of Potassium sulfate?(CAS NO.7778-80-5): 22-24/25?
S22: Do not breathe dust.?
S24/25: Avoid contact with skin and eyes.
WGK Germany: 1
RTECS: TT5900000
HS Code: 31043000
Moderately toxic to humans by ingestion. Moderately toxic experimentally by subcutaneous route. Swallowing large doses causes severe gastrointestinal tract effects. When heated to decomposition it emits toxic fumes of K2O and SOx. See also SULFATES.

【Formulations/Preparations】
GRADES: HIGHEST PURITY MEDICINAL; COMMERCIAL; CRUDE; CP; AGRICULTURAL
Commercial potassium sulfate contains not less than 48% soluble potash (K2O) chiefly as sulfate, and not more than 2.5% chlorine
【Specification】

?Potassium sulfate (CAS NO.7778-80-5) is also named as Arcanum duplicatum ; Caswell No. 702 ; Dipotassium sulfate ; EPA Pesticide Chemical Code 005603 ; HSDB 5047 ; Kalium sulphuricum ; Potassium sulfate (K2(SO4)) ; Potassium sulphate ; Sal Polychrestum ; Sulfuric acid, dipotassium salt ; UNII-1K573LC5TV?.?Potassium sulfate (CAS NO.7778-80-5)is a non-flammable white crystalline salt which is soluble in water.

【Report】

Reported in EPA TSCA Inventory.

Use and Manufacturing

【Use and Manufacturing】
Methods of Manufacturing

REACTION OF POTASSIUM CHLORIDE WITH LANGBEINITE ORE, SCHOENITE OBTAINED FROM KAINITE ORE, OR SODIUM SULFATE (GLASERITE IS AN ISOLATED INTERMEDIATE); REACTION OF POTASSIUM CHLORIDE WITH SULFURIC ACID OR SULFUR DIOXIDE, WATER AND OXYGEN; RECOVERY FROM SUGAR WASTES
(A) BY TREATMENT OF POTASSIUM CHLORIDE EITHER WITH SULFURIC ACID OR WITH SULFUR DIOXIDE, AIR, & WATER (HARGREAVES PROCESS). (B) BY FRACTIONAL CRYSTALLIZATION OF NATURAL SULFATE ORE; (C) FROM SALT LAKE BRINES.
THE POTASSIUM SALT OF SULFURIC ACID. ...FIRST POTASH SALT PRODUCED COMMERCIALLY IN US FROM ANYTHING OTHER THAN WOOD ASHES. IT WAS PRODUCED FROM ALUNITE. SULFATE HAS ALSO BEEN MADE FROM CEMENT MILL DUST, LANGBEINITE, & FROM MURIATE BY TREATMENT WITH SODIUM OR MAGNESIUM SULFATE OR WITH SULFURIC ACID.
U.S. Exports

(1978) 2.30X10+10 GRAMS
(1979) 2.24X10+10 GRAMS
(1985) 5.53x10+10 g
U.S. Imports

(1977) 6.90X10+10 GRAMS
(1979) 2.02X10+10 GRAMS
(1985) 4.88X10+10 g
U.S. Production

(1977) 4.64X10+10 GRAMS (CONSUMPTION)
(1979) 4.11X10+10 GRAMS (CONSUMPTION)
(1985) 2.10X10+11 g
Consumption Patterns

Agriculture, 63%; exports, 36%; other, 1% (1984)
CHEMICAL PROFILE: Potassium Sulfates. Fertilizer (mainly for non-grain or specialty crops), 56%; exports, 41%; other, 3%. /Potassium sulfates/
CHEMICAL PROFILE: Potassium sulfates. Demand: 1987: 227,600 tons K2O; 1988: 235,000 tons K2O; 1992 /projected/: 280,000 tons K2O. (Does not include imports, which totaled 30,000 tons K2O in 1987.) /Potassium sulfates/
【Usage】

Reagent in analytical chemistry, medicine, gypsum cements, alum mfr, food additive.

Supplier Location

Top Suppliers

Diamond member Jiangsu Kolod Food Ingredients Co.Ltd
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-518-85115572
Diamond member Hubei XinRunde Chemical Co., Ltd
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-27-83214668
Diamond member MOSINTER GROUP LIMITED
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-574-89212210
Diamond member Nanjing Chemlin Chemical Co., Ltd.
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-25-83697070
Diamond member Hangzhou J&H Chemical Co., Ltd
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-571-87396430
Jinan Haohua Industry Co., Ltd.
Country:ChinaChina
Business Type:Manufacturer
Telephone:0086-531-58773055
HUTONG GLOBAL CO.,LTD
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-22-59853797
tangshan sunfar silicon industry co.,ltd
Country:ChinaChina
Business Type:Manufacturer
Telephone:86-0315-13780258533
Beijing Yatai Longxing Chemical Company Limited
Country:ChinaChina
Telephone:022-26246048
neo tech industrial group Co.,Ltd
Country:ChinaChina
Business Type:Trading Company
Telephone:86-351-7062506

Quick Search

Cas    Name

Related products

Aluminium potassium sulfate dodecahydrate

Aluminumpotassium disulfate dodecahydrate;Aluminum potassium sulfate (AlK(SO4)2),dodecahydrate;Sulfuric acid, aluminumpotassium salt (2:1:1), dodecahy...

Aluminum potassium sulfate

Potassium aluminium sulfate,anhydrous

8-Hydroxyquinoline potassium sulfate

Potassium 8-hydroxyquinoline bisulfate; 8-Quinolinol sulfate (2:1) monopotassium salt

Potassium zirconium sulfate trihydrate

tetrapotassium zirconium tetrakis(sulphate);zirconium potassium sulfate

POTASSIUM DEXTRAN SULFATE

DEXTRAN SULFATE POTASSIUM SALT;POTASSIUM DEXTRAN SULFATE

MANGANESE POTASSIUM SULFATE

MANGANESE POTASSIUM SULFATE

menadiol potassium sulfate

dipotassium 2-methyl-1,4-naphthylene bis(sulphate);potassium menaphthosulphate

potassium 2-methoxyphenyl sulfate

potassium 2-methoxyphenyl sulfate;6100-07-8

POLYVINYL SULFATE POTASSIUM SALT

sulfuricacid,monoethenylester,homopolymer,potassiumsalt;sulfuricacid,monovinylester,polymers,potassiumsalt;PVSK;POLYVINYL SULFATE POTASSIUM SALT;POLYV...

Potassium aluminum sulfate

Aluminumpotassium sulfate (AlK(SO4)2) (6CI);Alum;Alum potassium;Aluminium potassiumbis(sulfate);Aluminum potassium alum;Aluminum potassium disulfate;A...

potassium nonan-5-sulfate

potassium nonan-5-sulfate

POTASSIUM GLYCOL SULFATE

POTASSIUM GLYCOL SULFATE