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E514 Sodium sulphates is mainly used as a filler in the manufacture of powdered home laundry detergents and in the Kraft process of paper pulping for making highly alkaline sulfides.
E514 Sodium sulphates, Na2S04, also known as thenardite and salt cake, is a crystalline compound that melts at 888°C (1632°F).
E514 Sodium sulphates is found in natural form(thenardite) in Chile and Spain.
CAS Number: 7757-82-6
Molecular Formula: Na2SO4
Molecular Weight: 142.04214
EINECS Number: 231-820-9
Synonyms: SODIUM SULFATE, 7757-82-6, Disodium sulfate, Sodium sulfate anhydrous, Sodium sulfate, anhydrous, Salt cake, Sodium sulphate, Sulfuric acid disodium salt, Disodium sulphate, Sodium sulphate anhydrous, Sodium sulfate (2:1), Bisodium sulfate, Sodium sulfate, dried, Anhydrous sodium sulfate, Disodium monosulfate, Dibasic sodium sulfate, Sodium sulphate, anhydrous, Sodium sulfate (Na2SO4), Mirabilite, Natriumsulfat, DTXSID1021291, NSC-403914, DTXCID601291, CHEBI:32149, natrii sulphas, Nat Sulph, Natrum Sulph 3X, NATRUM SULPH, Natrum Sulphuricum 6X, RefChem:6690, Natrum sulphuricum 30C, NAT SULPH 6X, Natrum Sulphuricum 8011, NATRIUM SULFURICUM 6X, 231-820-9, CHEBI:32586, E-514(I), Glauber's Salt, INS NO.514(I), INS-514(I), Mang xiao, Mangxiao, Natrii sulfas, Natrum Sulphuricum, sodium sulfate decahydrate, Sulfuric Acid Disodium Salt, Decahydrate, disodium;sulfate, sodiumsulfate, Sulfuric acid sodium salt, Na2O4S, Na2SO4, MFCD00003504, NATRII SULFAS ANHYDRICUS, EC 231-820-9, HSDB 5042, CAS-7757-82-6, Sodium sulfate 5% aqueous solution, SODIUM SULFATE ANHYDROUS [II], ANHYDROUS SODIUM SULFATE [JAN], SODIUM SULFATE ANHYDROUS [MART.], SODIUM SULFATE ANHYDROUS [USP-RS], SODIUM SULFATE ANHYDROUS [WHO-DD], Sodium sulfate, ACS reagent, Sodium sulfate, LR, anhydrous, Sodium sulfate, BioXtra, ≥99.0%, Sodium sulfate, AR, anhydrous, Sodium sulfate, Trace metals grade, Sodium sulfate, ReagentPlus(R), Sodium sulfate, JIS special grade, Sodium sulfate, SAJ first grade, Sodium sulfate, Vetec(TM) reagent grade, Sodium sulfate, BioUltra, anhydrous, Sodium sulfate, p.a., Sodium sulfate, purum, anhydrous, Sodium sulfate, tested according to Ph.Eur., Sodium sulfate, ACS reagent, anhydrous, Sodium sulfate, free-flowing Redi-Dri(TM), Sodium sulfate, puriss. p.a., ACS reagent, Sodium sulfate, EP MONOGRAPH, bisodiumsulfate;Crimidesa;Crude sodium sulfate;dibasicsodiumsulfate;Disodium monosulfate;disodiummonosulfate;disodiumsulfate;disodiumsulphate
E514 Sodium sulphates is the inorganic compound with formula Na2SO4 as well as several related hydrates.
E514 Sodium sulphates are white solids that are highly soluble in water.
With an annual production of 6 million tonnes, the decahydrate is a major commodity chemical product.
E514 Sodium sulphates is used in the manufacture of paperboard, glass,and freezing mixtures.
E514 Sodium sulphates, also known as "Glauber's salt," is a white water-soluble solid formed by heating Sodium chloride and sulfuric acid.
E514 Sodium sulphates is used in dyeing,manufacturing glass,and in the preparation of sodium bisulfate.
E514 Sodium sulphates are an important raw material in the manufacturing of glass and paper with the maximum usage amount in the paper and cellulose industry which accounts for around 70% of the total amount.
E514 Sodium sulphates is the component of synthetic detergent and is a neutral salt.
It can be added to the detergent to reduce the surface tension as well as increases the solubility of the detergent.
E514 Sodium sulphates is also be used as the dye diluent and the auxiliary agent of the dye printing, as direct dyes, sulfur dyes, vat dyes and other accelerant of dyed cotton fiber, as retarding agent for direct dye silk.
In the chemical industry, it can be used as the raw material for the manufacturing of sodium sulfide, gypsum, sodium silicate and other chemical products.
E514 Sodium sulphates has been now developed of the method for making sulfuric acid, sulfur, soda ash, ammonium sulfate and other products with sodium sulfate.
However, due to the high cost of these methods, it has not yet been widely applied.
E514 Sodium sulphates has been commonly used by laboratory system for using sodium sulfate as cold agent. Glauber's salt has been used as a laxative medicine.
The sodium sulfate entering into the body is largely stuck in the gastrointestinal tract without being absorbed and being maintained at certain penetration.
E514 Sodium sulphates can increase the volume of the intestines and induce intestinal peristalsis with diarrhea effect.
E514 Sodium sulphates is the antidote of barium and lead poisoning.
Upon lead poisoning, people can apply gastric lavage with 10% Glauber's salt or orally administer 1 to 2% sodium sulfate solution.
E514 Sodium sulphates refers to inorganic sodium salts of sulphuric acid, mainly including sodium sulfate (Na₂SO₄) and sometimes related hydrated forms like Glauber’s salt (Na₂SO₄·10H₂O).
They are used as acidity regulators, stabilizers, processing aids, and fillers in food and industrial applications.
E514 Sodium sulphates are naturally occurring mineral salts.
Chemically, E514 Sodium sulphates consist of sodium ions (Na⁺) and sulfate ions (SO₄²⁻).
E514 Sodium sulphates are neutral salts formed from strong acid (sulphuric acid) and strong base (sodium hydroxide).
This makes them relatively stable and non-reactive.
Physically, E514 Sodium sulphates appear as white, odorless crystalline powders or granules.
They are highly soluble in water (especially the anhydrous form).
E514 Sodium sulphates are stable under normal conditions.
E514 Sodium sulphates act as a processing aid in food manufacturing, helping control acidity and stabilize formulations.
E514 Sodium sulphates are not highly reactive in food systems.
This improves product stability.
E514 Sodium sulphates can function as a filler or carrier substance, helping maintain consistency in powdered or processed products.
E514 Sodium sulphates improve texture and handling properties.
This improves manufacturing performance.
E514 Sodium sulphates are also used as anti-caking agents in some applications, helping prevent clumping in powders.
They support free-flowing behavior of dry mixtures.
E514 Sodium sulphates are best described as stable inorganic sulfate salts used mainly as processing aids, stabilizers, and fillers due to their chemical neutrality and high stability in food and industrial systems.
Melting point: 884 °C (lit.)
Boiling point: 1700°C
Density: 2.68 g/mL at 25 °C (lit.)
bulk density: 1400-1600kg/m3
refractive index: 1.484
storage temp.: Store at +5°C to +30°C.
solubility: H2O: 1 M at 20 °C, clear, colorless
form: powder (fine)
pka: 4.76
Specific Gravity: 2.68
color: White
PH: 5.2-8.0 (50g/l, H2O, 20℃)
PH Range: 5.2 - 9.2
Odor: wh. cryst. or powd., odorless, bitter saline taste
Water Solubility: 18.5 mg/L
λmax: λ: 260 nm Amax: 0.015; λ: 280 nm Amax: 0.015
Sensitive: Hygroscopic
Merck: 14,8680
Dielectric constant: 2.7（Ambient）
Stability: Stable. Incompatible with strong acids, aluminium, magnesium, strong bases. Hygroscopic.
Cosmetics Ingredients Functions: BULKING; VISCOSITY CONTROLLING
InChI: 1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
InChIKey: PMZURENOXWZQFD-UHFFFAOYSA-L
SMILES: [Na+].[Na+].[O-]S([O-])(=O)=O
LogP: -1.031 (est)
E514 Sodium sulphates is an important chemical raw material and is the main raw material for production of sodium sulfide, sodium silicate and other chemical products.
E514 Sodium sulphates can also be used as filler of synthetic detergent. In the paper industry, it can be used as the cooking agent for the manufacturing of paper pulp of sulfate.
E514 Sodium sulphates, also known as anhydrous Glauber's salt or anhydrous mirabilite, appears as white monoclinic crystal or fine powder with the relative density being 2.68 and the melting point being 884 ℃.
E514 Sodium sulphates can be dissolved in water with the aqueous solution being neutral.
It is soluble in glycerol and insoluble in ethanol.
E514 Sodium sulphates is easy to absorb water when being exposed to become hydrous sodium sulfate.
E514 Sodium sulphates is a homogeneous polycrystalline material and is rhombus at a temperature of 32.4~223 ℃ with generating shaped monoclinic crystal at higher temperatures and generating hexagonal crystals in 241 ℃.
When being crystallized from solution, it has high affinity to iron, iron compound and various kinds of other organic compounds; high-purity, fine-particle anhydrous sodium sulfate is called as “YuanMingFen”.
E514 Sodium sulphates is used in the manufacture of glass; as a precipitating agent in the manufacture of silver emulsions; as an analytical reagent; in making ultramarine and paper pulp; in ceramic glazes and pharmaceuticals; as a food additive; and a filler in synthetic detergents.
E514 Sodium sulphates also play a role in moisture balance and texture control in powdered formulations.
E514 Sodium sulphates help maintain consistent dryness and prevent unwanted changes in product structure.
This improves storage stability.
E514 Sodium sulphates are used in detergent and cleaning product manufacturing, where sodium sulfate acts as a filler and helps control product density.
E514 Sodium sulphates improves flow properties and dosing accuracy.
This improves product handling.
In glass manufacturing, sodium sulfate is used to remove small air bubbles and improve clarity of glass.
E514 Sodium sulphates helps refine molten glass during production.
This improves material quality.
E514 Sodium sulphates is used in paper and pulp processing (Kraft process), where sodium sulfate is converted into sodium sulfide for chemical pulping.
It helps break down wood fibers for paper production.
E514 Sodium sulphates improves industrial efficiency.
In textile processing, sodium sulphates are used to help control dye absorption in fabrics.
E514 Sodium sulphates improve even distribution of dyes during coloring.
E514 Sodium sulphates improves textile consistency.
E514 Sodium sulphates are used in chemical manufacturing, where they serve as raw materials or intermediates in producing other sodium and sulfur compounds.
They are part of large-scale industrial reaction systems.
E514 Sodium sulphates improves chemical production.
In thermal energy storage systems (Glauber’s salt form), sodium sulfate decahydrate is used to store and release heat.
It changes phase at specific temperatures, storing thermal energy.
This improves energy efficiency.
E514 Sodium sulphates are used in laboratory applications, where they can act as inert salts or drying agents in controlled experiments.
They help maintain stable ionic conditions.
E514 Sodium sulphates improves experimental accuracy.
In food industry use, they function mainly as a technological aid rather than a nutritional ingredient.
E514 Sodium sulphates are not meant to provide nutrients or strong functional effects.
This ensures controlled usage.
They are also used in industrial water systems, where they help adjust ionic strength in certain processes.
They support stable chemical environments.
E514 Sodium sulphates are stable inorganic salts used across food processing, detergents, glass production, paper manufacturing, textiles, energy storage, and chemical industries mainly for their neutral behavior, stability, and ability to support processing rather than act as active reactive compounds.
Uses Of E514 Sodium sulphates:
E514 Sodium sulphates can be mainly used as the filler of synthetic detergent.
Paper industry applies it for the cooking agent during the manufacture of sulfate pulp.
Glass industry uses it as substitute of soda. Chemical industry applies it as the raw material for the manufacturing of sodium sulfide, sodium silicate and other chemical products.
Textile industry applies it for the formulation of Vinylon spinning coagulation bath.
The pharmaceutical industry applies it as laxatives.
E514 Sodium sulphates can also be used in non-ferrous metallurgy and leather.
E514 Sodium sulphates is the salt of sulfuric acid that is readily soluble in water and exists as crystals or crystalline powder. it is used in cara- mel production.
E514 Sodium sulphates are mainly used as stable processing aids and industrial salts in food and non-food applications.
E514 Sodium sulphates do not provide nutrition but help improve processing and product stability.
This makes them useful in manufacturing systems.
In the food industry, E514 Sodium sulphates are used as acidity regulators and processing aids.
E514 Sodium sulphates help stabilize formulations without strongly reacting with other ingredients.
This improves product consistency.
E514 Sodium sulphates are used as anti-caking and flow agents in powdered products.
They prevent clumping and ensure free-flowing texture in dry mixtures.
This improves usability and storage stability.
In detergent manufacturing, sodium sulphate is used as a filler and bulking agent.
E514 Sodium sulphates improves powder structure and dosing control.
E514 Sodium sulphates improves product handling.
In glass production, E514 Sodium sulphates is used to remove small gas bubbles during melting.
E514 Sodium sulphates helps improve transparency and quality of glass.
This improves material clarity.
In paper and pulp industry, it is used in the Kraft process to help break down wood into fibers.
E514 Sodium sulphates supports chemical pulping reactions.
E514 Sodium sulphates improves paper production efficiency.
In textile industry, E514 Sodium sulphates is used to control dye absorption and ensure even coloring of fabrics.
It helps distribute dyes uniformly.
E514 Sodium sulphates improves textile quality.
In chemical manufacturing, it serves as a raw material or intermediate for producing other sulfate compounds.
E514 Sodium sulphates is part of many large-scale industrial reactions.
E514 Sodium sulphates improves chemical production.
In thermal energy storage (Glauber’s salt form), it is used to store and release heat energy.
It changes phase at specific temperatures.
This improves energy efficiency.
In laboratory applications, E514 Sodium sulphates is used as an inert salt for controlling ionic strength in solutions.
E514 Sodium sulphates helps maintain stable experimental conditions.
This improves research accuracy.
In industrial drying systems, it may act as a mild moisture stabilizer in controlled environments.
E514 Sodium sulphates helps maintain dry conditions in formulations.
E514 Sodium sulphates are used across food processing, detergents, glass manufacturing, paper production, textiles, energy storage, and chemical industries mainly as stable, non-reactive salts that support processing, improve texture, and enhance manufacturing efficiency rather than acting as active chemical agents.
E514 Sodium sulphates are also used in industrial formulation control, where they help adjust the bulk density and physical structure of powdered mixtures.
This makes powders easier to package, transport, and dose.
This improves manufacturing efficiency.
In food powder blends, they help maintain uniform distribution of ingredients in dry mixes.
E514 Sodium sulphates reduce separation during storage and handling.
E514 Sodium sulphates improves product consistency.
In cleaning agent formulations, sodium sulphate is used to control concentration and improve flow of detergents.
E514 Sodium sulphates helps ensure even spreading in washing processes.
E514 Sodium sulphates improves cleaning performance.
In construction materials, they can be present in cement and gypsum-related systems as minor additives.
They help influence setting behavior and mineral balance.
This improves material stability.
In leather processing, sodium sulphates are used during tanning and washing stages.
They help regulate chemical balance in processing baths.
E514 Sodium sulphates improves leather quality.
In mineral and ore processing, they are used to support separation and purification steps in certain extraction processes.
E514 Sodium sulphates help stabilize ionic conditions in solutions.
This improves resource recovery.
In chemical synthesis, sodium sulphate acts as an inert drying or stabilizing salt in some reactions.
It helps maintain controlled reaction environments.
E514 Sodium sulphates improves process reliability.
In pharmaceutical manufacturing (non-active role), it can be used as a filler or excipient in some formulations.
E514 Sodium sulphates helps control powder properties without pharmacological effect.
This improves dosage form stability.
In oil and gas industry, E514 Sodium sulphates may appear in drilling fluids or auxiliary systems where ionic balance is required.
E514 Sodium sulphates supports stable fluid behavior under processing conditions.
In environmental and wastewater systems, sodium sulphates can be present in treatment processes as neutral salts.
E514 Sodium sulphates help maintain ionic balance without strong reactivity.
E514 Sodium sulphates are used across food processing, detergents, glass, paper, textiles, construction, leather, mining, pharmaceuticals, and industrial systems, mainly as inert, stable salts that support formulation structure, improve flow, and maintain chemical balance rather than acting as reactive functional ingredients.
Safety Profile Of E514 Sodium sulphates:
Moderately toxic by intravenous route, mildly toxic by ingestion.
An experimental teratogen experimental reproductive effects.
Questionable carcinogen with experimental tumorigenic effects.
Violent reaction with Al, when heated to decomposition it emits toxic fumes of SOx and Na2O.
E514 Sodium sulphates are generally considered low-toxicity and low-hazard substances, especially in their typical food and industrial use levels.
E514 Sodium sulphates are chemically stable salts and do not show strong reactivity under normal conditions.
Most risks are related to physical irritation at high exposure levels.
The most common hazard is mild eye or skin irritation.
Fine powder or concentrated solutions may cause redness or discomfort on contact.
This effect is usually temporary and not severe.
Inhalation of dust can cause respiratory irritation, such as coughing, throat dryness, or mild discomfort.
This is mainly an occupational risk during handling of powdered forms.
Proper ventilation reduces this risk significantly.
Ingestion of large amounts may lead to gastrointestinal effects, such as diarrhea or stomach discomfort.
E514 Sodium sulphates is due to the osmotic (salt) effect in the digestive system.
Normal food-use levels are considered safe.
E514 Sodium sulphates are not classified as corrosive or chemically aggressive.
They do not cause burns or tissue destruction like strong acids or bases.
