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Arcanite is a potassium sulfate mineral with formula: K2SO4.
Arcanite was first described in 1845 for an occurrence in old pine railroad ties in the Santa Ana tin mine, Trabuco Canyon, Santa Ana Mountains, Orange County, California, US.
It has also been reported from hydrothermal deposits in the Cesano geothermal field, Latium, Italy; in bat guano on the Chincha Islands of Peru; and in caves in Western Australia, South Africa and Namibia.

CAS Number: 7778-80-5
EC Number: 231-915-5
Molecular Formula: K2O4S
Molecular Weight (g/mol): 174.25

Arcanite can be described as an inorganic chemical compound having the chemical formula K2SO4. 
Arcanite can also be referred to as either dipotassium or Sulfuric acid dipotassium salt. 

Arcanite occurs naturally in salt lakes and volcanic lava. 
Arcanite appearance is as a colourless white crystalline powder or simply crystals. 

Arcanite is purely odourless and has a hard, saline-like and bitter taste. 
Arcanite dissolves in water, but Arcanite is insoluble in ethanol. 

Arcanite is an inorganic chemical compound. 
Arcanite is also known as Sulfuric acid dipotassium salt or diArcanite. 

Arcanite occurs naturally in volcanic lava and salt lakes. 
Arcanite appears as a colourless to white crystalline powder or crystals. 

Arcanite is odourless and has a bitter, hard and saline-like taste. 
Arcanite dissolves in water but insoluble in ethanol.

Arcanite with chemical formula K2SO4.
Arcanite is a water-insoluble white crystalline potassium salt. 
Arcanite contains 50-53% potassium (K2O) and average sulfur content of 16-20%. 

Arcanite also carries sulfur, which is the necessary nutrient for the plants. 
Sulfur deficiency is used as a source of potassium and sulfur in cases. 

Arcanite is not to be confused with calcium compounds.
Arcanite is composed of acid salt and alkaline salt after 17th century and Arcanite has survived until today.

Arcanite is obtained from brine from the Salar de Atacama and is used in the manufacture of drywall in the construction industry.

Arcanite is registered under the REACH Regulation and is manufactured in and / or imported to the European Economic Area, at ≥ 1 000 000 to < 10 000 000 tonnes per annum.
Arcanite is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing.

Arcanite contains potassium (K) and sulfur (S) – two of the essential nutrients that plants require to achieve optimum growth and reach their maximum potential. 

Potassium fertilizer is commonly added to improve the yield and quality of plants growing in soils that are lacking an adequate supply of this essential nutrient. 
Most fertilizer K comes from ancient salt deposits located throughout the world. 
The word “potash” is a general term that most frequently refers to potassium chloride (KCl), but Arcanite also applies to all other K-containing fertilizers, such as Arcanite (Arcanite, commonly referred to as sulfate of potash, or SOP).

Arcanite can be used as a dietary ingredient and as a nutrient. 
Potassium works with sodium to normalize heart rhythms and to regulate the body’s waste balance. 
Arcanite also preserves proper alkalinity of body fluids and assists in reducing high blood pressure. 

Arcanite is a moderately water and acid soluble Potassium source for uses compatible with sulfates. 
Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal. 

Most metal sulfate compounds are readily soluble in water for uses such as water treatment, unlike fluorides and oxides which tend to be insoluble. 
Organometallic forms are soluble in organic solutions and sometimes in both aqueous and organic solutions. 

Metallic ions can also be dispersed utilizing suspended or coated nanoparticles and deposited utilizing sputtering targets and evaporation materials for uses such as solar cells and fuel cells. 
Arcanite is generally immediately available in most volumes. 
High purity, submicron and nanopowder forms may be considered.

Arcanite is an important nutrient for plants.
Arcanite fertilizer also contains 18% sulfur in sulfate form.

Sulfur is an important nutrient, just like nitrogen, phosphorus and potassium, and is found in the structure of proteins in plants.
Arcanite has benefits against plants.

Potassium deficiency is mostly seen in irrigated agriculture and rainy regions.
Arcanite fertilizer should be given to sandy soils that are poor in organic matter.

Arcanite is mostly used in potatoes, tobacco, vegetables, fruits, citrus fruits, legumes, corn, cotton, sugar beet and greenhouses.
If Arcanite is not given in sufficient amount, yellow or reddish brown spots can be seen on the parts of the green leaves of the plants.

Potassium balances the acid-sugar ratio in the fruit, affects the coloring, increases the taste and odor, and minimizes the fruit drop problem.
Arcanite provides increased endurance against frost and cold.

Applications of Arcanite:
Arcanite is used in gypsum cements, to make alum and glass, as a food additive, in fertilizers, as an accelerator in wallboard, as an expansion control agent for dental materials, as a medical and veterinary cathartic, and as a veterinary sulfate source.

Other Applications:
Agricultural chemicals (non-pesticidal)
Planting agents
Surface treating agents

Uses of Arcanite:
The dominant use of the Arcanite compound can be given as a fertilizer. 
Arcanite does not comprise chloride, which can result in harmful to a few of the crops. 

Arcanite can be preferred for these crops, which include some fruits, vegetables, and tobacco. 
Crops with less sensitivity can still require Arcanite for optimal growth if the respective soil accumulates chloride from irrigation water.

The crude salt can also be used occasionally in glass manufacturing. 
Arcanite can be used as a flash reducer in artillery propellant charges. 

Arcanite also reduces flareback, muzzle flash, and blast overpressure.
Sometimes, Arcanite can be used as an alternative blast media same as the soda in soda blasting because Arcanite is harder and similarly water-soluble.
Arcanite is also used in pyrotechnics in combination with potassium nitrate to further generate a purple flame.

Arcanite is dominantly used as a fertilizer for crops which include tobacco, some vegetables, and fruits.
Arcanite is used as a salt substitute.

Arcanite is used in artillery propellant charges as a flash reducer.
Arcanite is used in soda blasting.

Arcanite is used as a supplement for animal feeds.
Arcanite is used in the production of lubricants and dyes.

Arcanite is used in the manufacturing of ceramics and glass.
Arcanite is used in the production of gypsum boards.

Arcanite is used to synthesize potassium aluminium sulfate.
Arcanite is used to produce gypsum cement.
Arcanite is used in explosives as a flash suppressant

The dominant use of Arcanite is as a fertilizer. 
Arcanite does not contain chloride, which can be harmful to some crops. 

Arcanite is preferred for these crops, which include tobacco and some fruits and vegetables. 
Crops that are less sensitive may still require Arcanite for optimal growth if the soil accumulates chloride from irrigation water.

The crude salt is also used occasionally in the manufacture of glass. 
Arcanite is also used as a flash reducer in artillery propellant charges. 

Arcanite reduces muzzle flash, flareback and blast overpressure.
Arcanite is sometimes used as an alternative blast media similar to soda in soda blasting as Arcanite is harder and similarly water-soluble.

Arcanite can also be used in pyrotechnics in combination with potassium nitrate to generate a purple flame.
A 5% solution of Arcanite was used in the beginning of the 20th century as a topical mosquito repellent.

Widespread uses by professional workers:
Arcanite is used in the following products: fertilisers, plant protection products, washing & cleaning products and laboratory chemicals.
Arcanite is used in the following areas: agriculture, forestry and fishing and formulation of mixtures and/or re-packaging.
Other release to the environment of Arcanite is likely to occur from: outdoor use and indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners).

Uses at industrial sites:
Arcanite is used in the following products: pH regulators and water treatment products, textile treatment products and dyes, leather treatment products and paper chemicals and dyes.
Arcanite has an industrial use resulting in manufacture of another substance (use of intermediates).

Arcanite is used in the following areas: formulation of mixtures and/or re-packaging, mining and health services.
Arcanite is used for the manufacture of: chemicals and mineral products (e.g. plasters, cement).
Release to the environment of Arcanite can occur from industrial use: in the production of articles, in processing aids at industrial sites, as an intermediate step in further manufacturing of another substance (use of intermediates) and industrial abrasion processing with high release rate (e.g. sanding operations or paint stripping by shot-blasting).

Industry Uses:
Agricultural chemicals (non-pesticidal)
Cleaning agent
Lubricating agent
Processing aids, not otherwise listed
Propellants and blowing agents
Soil amendments (fertilizers)

Consumer Uses:
Arcanite is used in the following products: fertilisers and plant protection products.
Other release to the environment of Arcanite is likely to occur from: outdoor use, indoor use (e.g. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and indoor use in long-life materials with high release rate (e.g. release from fabrics, textiles during washing, removal of indoor paints).

Other Consumer Uses:
Agricultural chemicals (non-pesticidal)
Not Known or Reasonably Ascertainable
Soil amendments (fertilizers)

Agricultural Use:
Potassium is needed to complete many essential functions in plants, such as activating enzyme reactions, synthesizing proteins, forming starch and sugars, and regulating water flow in cells and leaves. 
Often, concentrations of K in soil are too low to support healthy plant growth.

Arcanite is an excellent source of K nutrition for plants. 
The K portion of the Arcanite is no different from other common potash fertilizers. 

However, Arcanite also supplies a valuable source of S, which protein synthesis and enzyme function require. 
Like K, S can also be too deficient for adequate plant growth. 

Further, Cl- additions should be avoided in certain soils and crops. 
In such cases, Arcanite makes a very suitable K source.

Arcanite is only one-third as soluble as KCl, so Arcanite’s not as commonly dissolved for addition through irrigation water unless there’s a need for additional S.

Several particle sizes are commonly available. 
Manufacturers produce fine particles (smaller than 0.015 mm) to make solutions for irrigation or foliar sprays, since they dissolve more rapidly.  
And growers find foliar spraying of Arcanite a convenient way to apply additional K and S to plants, supplementing the nutrients taken up from the soil.  

However, leaf damage can occur if the concentration is too high.

Management Practices:
Growers frequently use Arcanite for crops where additional Cl — from more common KCl fertilizer — is undesirable. 
The partial salt index of Arcanite is lower than in some other common K fertilizers, so less total salinity is added per unit of K. 

The salt measurement (EC) from a Arcanite solution is less than a third of a similar concentration of a KCl solution (10 millimoles per liter). 
Where high rates of Arcanite are needed, agronomists generally recommend applying Arcanite in multiple doses. 
This helps avoid surplus K accumulation by the plant and also minimizes any potential salt damage.

Industrial Processes with risk of exposure:
Cement Producing
Glass Manufacturing

Usage Areas of Arcanite:
Arcanite helps the plant to withstand drought, cold, heat, and disease and pests. 
Arcanite enables plants to use water economically.

Arcanite is used in potatoes, tobacco, vegetables and fruits and improves their quality.
Arcanite is beneficial to use Arcanite in oily plants such as olive, sunflower, canola, peanut and soybean.

In addition, by increasing the quality of straw in cereals, Arcanite prevents crop lying, which causes yield losses.
Arcanite can be used in all kinds of agricultural production.

Product Types:

Sulphate of Potash (SOP) is recommended for chlorid non tolerant crops:
Grape vines
Stone fruits
Seed potatoes
Potatoes for human consumption
Starch potatoes for processing
Pomes and stone
Fruits (especialy cherries)
Bush beans
Broad beans
Early vegetables
All crops under glass
Flowers and ornaments as well as seedings and transplants of most plants

Benefits of Arcanite:
Arcanite is the most common potash fertilizer, serving as an excellent source of potassium and chloride, Arcanite is not appropriate in all settings. 
As many are discovering, SOP not only improves yield and crop quality, but Arcanite also presents a number of advantages:

Reduced Chlorides:
Chloride makes up a significant component of MOP. 
While this is preferable for some crops, Arcanite can be damaging to others that are sensitive to chlorides, such as some fruits, vegetables, and nuts. 
Many chloride-sensitive crops fall into the high-value category, so optimizing quality and yield are especially critical.

Additionally, if MOP is added to soils already rich in chlorides, toxicity can occur. 
When working with chloride-sensitive crops or chloride-rich soils, SOP provides an optimal solution, as Arcanite is substantially lower in chlorides.

Added Sulfur:
In addition to potassium, Arcanite also provides plant-available sulfur. 
Sulfur deficiencies have become increasingly common in recent years, making products that include the secondary nutrient increasingly desirable.

Lower Salinity:
Arcanite has a lower salt index than most potash fertilizers, making Arcanite the preferred choice when soil salinity is a concern.

Action Mechanism of Arcanite:
Potassium is the major cation (positive ion) inside animal cells, while sodium is the major cation outside animal cells. 
The concentration differences of these charged particles causes a difference in electric potential between the inside and outside of cells, known as the membrane potential. 

The balance between potassium and sodium is maintained by ion pumps in the cell membrane. 
The cell membrane potential created by potassium and sodium ions allows the cell generate an action potential—a "spike" of electrical discharge. 

The ability of cells to produce electrical discharge is critical for body functions such as neurotransmission, muscle contraction, and heart function. 
Potassium is also an essential mineral needed to regulate water balance, blood pressure and levels of acidity.

Structure and Properties of Arcanite:
Two crystalline forms are known. 
Orthorhombic β-K2SO4 is the common form, but Arcanite converts to α-K2SO4 above 583 °C.
These structures are complex, although the sulfate adopts the typical tetrahedral geometry.

Arcanite does not form a hydrate, unlike sodium sulfate. 
The salt crystallizes as double six-sided pyramids, classified as rhombic. 

They are transparent, very hard and have a bitter, salty taste. 
The salt is soluble in water, but insoluble in solutions of potassium hydroxide, or in absolute ethanol.

Production of Arcanite:
Approximately 1.5 million tons were produced in 1985, typically by the reaction of potassium chloride with sulfuric acid, analogous to the Mannheim process for producing sodium sulfate.

The process involves intermediate formation of potassium bisulfate, an exothermic reaction that occurs at room temperature:
KCl + H2SO4 → HCl + KHSO4

The second step of the process is endothermic, requiring energy input:
KCl + KHSO4 → HCl + K2SO4

Potassium is a relatively abundant element in the Earth’s crust, and production of potash fertilizer occurs in every inhabited continent. 
However, Arcanite is rarely found in a pure form in nature. 
Instead Arcanite is naturally mixed with salts containing magnesium, sodium and chloride (Mg, Na and Cl, respectively). 

These minerals require additional processing to separate their components. 
Historically, Arcanite was made by reacting KCl with sulfuric acid. 

However, researchers later discovered that they could manipulate a number of earth minerals to produce Arcanite, now the most common method of production. 
For example, natural K-containing minerals (such as kainite and schoenite) are mined and carefully rinsed with water and salt solutions to remove byproducts and produce Arcanite. 
The mining industry uses a similar process to harvest Arcanite from the Great Salt Lake in Utah and from underground mineral deposits.

In New Mexico, Arcanite is separated from langbeinite minerals by reacting Arcanite with a solution of KCl, which removes the byproducts (such as Mg) and leaves Arcanite. 
Similar processing techniques are used in many parts of the world, depending on the raw materials accessible.

The steps followed to obtain Arcanite are as follows:
Crushing the mineral langbeinite
Washing it
Extracting the mineral

Arcanite is then treated with an aqueous solution of potassium chloride to separate the 2 parts of the double salt from each other.

Arcanite compound can also be produced synthetically. 
This is possible by treating potassium chloride with raw sulfuric acid.

Manufacturing Methods of Arcanite:
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

By treatment of potassium chloride either with sulfuric acid or with sulfur dioxide, air, & water (hargreaves process). 
By fractional crystallization of natural sulfate ore; from salt lake brines.

The potassium salt of sulfuric acid.
First potash salt produced commercially in us from anything other than wood ashes. 

Arcanite 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.

General Manufacturing Information of Arcanite:

Industry Processing Sectors:
Agriculture, Forestry, Fishing and Hunting
All Other Basic Inorganic Chemical Manufacturing
All Other Basic Organic Chemical Manufacturing
All Other Chemical Product and Preparation Manufacturing
Explosives Manufacturing
Fabricated Metal Product Manufacturing
Miscellaneous Manufacturing
Not Known or Reasonably Ascertainable
Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing
Petroleum Lubricating Oil and Grease Manufacturing
Pharmaceutical and Medicine Manufacturing

Natural Resources of Arcanite:
The mineral form of Arcanite, arcanite, is relatively rare. 
Natural resources of Arcanite are minerals abundant in the Stassfurt salt. 
These are cocrystallizations of Arcanite and sulfates of magnesium, calcium, and sodium.

Relevant minerals are:
Kainite, KMg(SO4)·Cl·3H2O
Schönite (now known as picromerite), K2SO4·MgSO4·6H2O
Leonite, K2SO4·MgSO4·4H2O
Langbeinite, K2Mg2(SO4)3
Aphthitalite (previously known as glaserite), K3Na(SO4)2
Polyhalite, K2SO4·MgSO4·2CaSO4·2H2O

The Arcanite can be separated from some of these minerals, like kainite, because the corresponding salt is less soluble in water.
Kieserite, MgSO4·H2O, can be combined with a solution of potassium chloride to produce Arcanite.

History of Arcanite:
Arcanite has been known since early in the 14th century. 
Arcanite was studied by Glauber, Boyle, and Tachenius. 

In the 17th century, Arcanite was named arcanuni or sal duplicatum, as Arcanite was a combination of an acid salt with an alkaline salt. 
Arcanite was also known as vitriolic tartar and Glaser's salt or sal polychrestum Glaseri after the pharmaceutical chemist Christopher Glaser who prepared Arcanite and used medicinally.

Known as arcanum duplicatum ("double secret") or panacea duplicata in pre-modern medicine, Arcanite was prepared from the residue (caput mortuum) left over from the production of aqua fortis (nitric acid, HNO3) from nitre (potassium nitrate, KNO3) and oil of vitriol (sulphuric acid, H2SO4) via Glauber's process:
2 KNO3 + H2SO4 → 2 HNO3 + K2SO4

The residue was dissolved in hot water, filtered, and evaporated to a cuticle. 
Arcanite was then left to crystallise. 
Arcanite was used as a diuretic and sudorific.

According to Chambers's Cyclopedia, the recipe was purchased for five hundred thalers by Charles Frederick, Duke of Holstein-Gottorp. 
Schroder, the duke's physician, wrote wonders of Arcanite great uses in hypochondriacal cases, continued and intermitting fevers, stone, scurvy, and more.

Reactions of Arcanite:

Potassium hydrogen sulfate (also known as potassium bisulfate), KHSO4, is readily produced by reacting K2SO4 with sulfuric acid. 
Arcanite forms rhombic pyramids, which melt at 197 °C (387 °F). 

Arcanite dissolves in three parts of water at 0 °C (32 °F). 
The solution behaves much as if Arcanite two congeners, K2SO4 and H2SO4, were present side by side of each other uncombined; an excess of ethanol the precipitates normal sulfate (with little bisulfate) with excess acid remaining.

The behavior of the fused dry salt is similar when heated to several hundred degrees; Arcanite acts on silicates, titanates, etc., the same way as sulfuric acid that is heated beyond Arcanite natural boiling point does. 
Hence Arcanite is frequently used in analytical chemistry as a disintegrating agent. 

Identifiers of Arcanite:
CAS Number: 7778-80-5
ChEBI: CHEBI:32036 
ChEMBL: ChEMBL2021424
ChemSpider: 22915
ECHA InfoCard: 100.029.013
EC Number: 231-915-5
E number: E515(i) (acidity regulators, ...)
KEGG: D01726 check
PubChem CID: 24507
RTECS number: TT5900000
CompTox Dashboard (EPA): DTXSID6029701
InChI: InChI=1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
SMILES: [K+].[K+].[O-]S([O-])(=O)=O

Linear Formula: K2SO4
MDL Number: MFCD00011388
EC No.: 231-915-5
Beilstein/Reaxys No.: N/A
Pubchem CID: 24507
SMILES: [K+].[K+].[O-]S([O-])(=O)=O
InchI Identifier: InChI=1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

CAS: 7778-80-5
Molecular Formula: K2O4S
Molecular Weight (g/mol): 174.25
MDL Number: MFCD00011388
PubChem CID: 24507
ChEBI: CHEBI:32036
SMILES: [K+].[K+].[O-]S([O-])(=O)=O

Color: White to colorless, yellow
Crystal habit: Tabular crystals, typically in crusts and coatings
Twinning: Cyclic on {110}
Cleavage: Good on {010} and {001}
Mohs scale hardness: 2
Luster: Vitreous
Streak: White
Diaphaneity: Transparent to translucent
Specific gravity: 2.66
Optical properties: Biaxial (+)
Refractive index: nα = 1.494 nβ = 1.495 nγ = 1.497
Birefringence: δ = 0.004
2V angle: Measured: 67°

General Identifiers
Category: Sulfate mineral
Formula (repeating unit): K2SO4
IMA symbol: Acn
Strunz classification: 7.AD.05
Crystal system: Orthorhombic
Crystal class: Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space group: Pmcn
Unit cell: a = 5.77, b = 10.07
c = 7.48 [Å]; Z = 4

Properties of Arcanite:
Chemical formula: K2SO4
Molar mass: 174.259 g/mol
Appearance: White solid
Odor: odorless
Density: 2.66 g/cm3
Melting point: 1,069 °C (1,956 °F; 1,342 K)
Boiling point: 1,689 °C (3,072 °F; 1,962 K)
Solubility in water: 111 g/L (20 °C)
120 g/L (25 °C)
240 g/L (100 °C)
Solubility product (Ksp): 1.32 (120 g/L)
Solubility: slightly soluble in glycerol
insoluble in acetone, alcohol, CS2
Magnetic susceptibility (χ): −67.0·10−6 cm3/mol
Refractive index (nD): 1.495

Boiling point: 1689 °C (1013 hPa)
Density: 2.662 g/cm3
Melting Point: 1067 °C
pH value: 7 (H₂O, 25 °C)
Bulk density: 800 kg/m3
Solubility: 111 g/l

CAS number: 7778-80-5
RTECS: TT5900000
Chemical Formula: K2SO4
Melting Point: 1069 ° C
Boiling Point: 1689 ° C
Appearance: Crystal structure (Orthorhombic)
Solubility: 111 g / L (20 ° C) -120 g / L (25 ° C) -240 g / L (100 ° C)
Density: 2.66 g / cm3

Compound Formula: K2O4S
Molecular Weight: 174.27
Appearance: White Powder
Melting Point: 1,069° C (1,956° F)
Boiling Point: 1,689° C (3,072° F)
Density: 2.66 g/cm3
Solubility in H2O: N/A
Exact Mass: 173.879 g/mol
Monoisotopic Mass: 173.879135 Da

Molecular Weight: 174.26
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 4
Rotatable Bond Count: 0
Exact Mass: 173.87914262
Monoisotopic Mass: 173.87914262
Topological Polar Surface Area: 88.6 Ų
Heavy Atom Count: 7
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
Compound Is Canonicalized: Yes

Specifications of Arcanite:
Assay (alkalimetric): ≥ 99.0 %
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water, 25 °C): 5.5 - 7.5
Chloride (Cl): ≤ 0.0005 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0002 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.002 %
Na (Sodium): ≤ 0.02 %

Boiling Point: 1689°C
Melting Point: 1,067°C
Color: White
pH: 6 to 8
Physical Form: Solid
Quantity: 500 g
Assay Percent Range: ≥99 %
Formula Weight: 174.26
Percent Purity: ≥99%
Grade: Certified ACS
Identification: Pass Test
Packaging: Poly Bottle
Chemical Name or Material: Arcanite

Related compounds of Arcanite:
Potassium hydrogen sulfate
Potassium sulfite
Potassium bisulfite
Potassium persulfate

Other anions:
Potassium selenate
Potassium tellurate

Other cations:
Lithium sulfate
Sodium sulfate
Rubidium sulfate
Caesium sulfate

Names of Arcanite:

Regulatory process names:
Potassium sulfate

CAS name:
Sulfuric acid potassium salt (1:2)

IUPAC names:
DiPotassium sulfate
dipottassium sulfate
not available
Potasio Sulfato
Potassium sulfate
C&L Inventory, Registration dossier
Potassium sulfate (KCKK)
Potassium sulfate (KHSO4<1%)
Potassium sulfate (VMU)
Potassium Sulphate
Potassium SulphateSulphate of Potash
pottasium sulfate
Sels de potasse
Sulfuric acid dipotassium salt
Sulphate of Potash

Trade names:
Acid Potassium sulfate
DiPotassium sulfate
diPotassium sulfate
Dipotassium sulphate
Extraits de vinasses
Kalium sulphuricum
Registration dossier
MagPlon NPK 5-9-18
MagPlon NPK z borem 5-9-23 + 0,1
MagPlon PK 11-24
Monopotassium hydrogen sulfate
MonoPotassium sulfate
Multi-SOP 0-0-51+42.5SO3
potash of sulfur
Potassium acid sulfate
Potassium bisulfate
Potassium bisulphate
Potassium hydrogen sulfate
Potassium hydrogensulphate
Potassium hydrosulfate (KHSO4)
Potassium sulfate
Potassium sulfate
Potassium sulfate soluble grade
Potassium Sulphate
Potassium sulphate
Potassium sulphate (technical grade)
Sels de potassium
Sulfate of potash
Sulfato de potasa
Sulfato de potasio
Sulfuric acid dipotassium salt
Sulfuric acid potassium salt
sulfuric acid, potassium salt
Sulphate of Potash
Sulphate of potash
sulphate of potash
®. SOP

Other names:
Potassium sulfate
potassium sulphate
Sulfuric acid potassium salt (1:2)

Other identifier:

Synonyms of Arcanite:
Potassium sulfate
DiPotassium sulfate
Potassium sulphate
Sulfuric acid dipotassium salt
Sulfuric acid, potassium salt
Arcanum duplicatum
Sulfuric acid, dipotassium salt
Tartarus vitriolatus
Kali sulphuricum
Potassium sulfate (2:1)
Potassium (as sulfate)
Sulfuric acid potassium salt (1:2)
INS NO.515(I)
Kalium sulphuricum
Caswell No. 702
Potassium sulfate [JAN]
Sulfato de potasio
Potassium sulfate (K2(SO4))
HSDB 5047
EINECS 231-915-5
EINECS 233-558-0
EPA Pesticide Chemical Code 005603
Sulfuric acid potassium salt
Potassium sulfate, ACS
Potassium sulfate [USAN:JAN]
Sulfate of Potash
Potassium sulfate ,(S)
EC 231-915-5
Potassium sulfate (K2SO4)
Potassium sulfate [MI]
Potassium sulfate [FCC]
Potassium sulfate [HSDB]
Potassium sulfate [INCI]
Potassium sulfate [USAN]
Potassium sulfate (JP17/USAN)
Potassium sulfate [VANDF]
Potassium sulfate [MART.]
Potassium sulfate [WHO-DD]
BLI801 Component Potassium sulfate
Potassium sulfate, Biochemical grade
BLI-801 Component Potassium sulfate
Sulfuric acid, potassium salt (1:?)
Potassium sulfate [ORANGE BOOK]
Potassium sulfate [EP MONOGRAPH]
Potassium sulphate, containing in the dry state more than 52 per cent by weight of K2O
FisherTab&trade; MT-37 Kjeldahl Tablets
FisherTab&trade; ST-35 Kjeldahl Tablets
FisherTab&trade; ST-AUTO Kjeldahl Tablets
Potassium sulfate, 99.997% (metals basis)
Potassium sulfate, Trace metals grade 99.95%

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