Summary at the seventyfirst meeting of jecfa, the committee evaluated the safety, dietary intake and revision of specifications of sodium hydrogen sulfate nahso4 at the request of the codex committee on food additives for its use as an acidifier. Commercial major source of sodium sulfate is salt cake impure sodium sulfate, a byproduct of hydrochloric acid production from sodium chloride by treatment with sulfuric acid. Final report on the safety assessment of sodium sulfate i. Anhydrous, it is a white crystalline solid of formula na2so4sodium sulfate is mainly used for the manufacture of. It is also a refining agent for container glass, used to decompose wood to.
Chemical and physical properties sodium sulfate na2so4. Atc anatomical therapeutic chemical classification a06ad,a12ca02. Sodium sulfate is commonly used to make soaps and detergents, particularly powdered soaps. Sodium ion is the principal cation of the extracellular fluid and plays a large part in the therapy of fluid and electrolyte disturbances. Anhydrous sodium sulfate na2so4 is typically used in organic chemistry as a drying agent. Sodium hydrogen sulfate chemical and technical assessment cta prepared by madduri v. Amended safety assessment of sodium sulfate as used in. Sodium sulphate reacts with barium chloride in a double displacement reaction to form barium sulphate and sodium chloride. Naturally occurring anhydrous sodium sulfate is found in abundance in the searles valley. Sodium sulfate is a moderately water and acid soluble sodium source for uses compatible with sulfates. Sodium sulfate is a reagent used in largescale applications such as dyeing and printing textiles, and the manufacture of glass and paper pulp. Msds material safety data sheet anokaramsey community. If the sodium sulfate is being pneumatically conveyed into a processing system, the blower used to move sodium sulfate through the air line must be sized to meet the demands of the system.
With an annual production of 6 million tonnes, the decahydrate is a major commodity chemical product. It is also produced from byproducts of chemical processes such as hydrochloric acid production. Glaubers salt is simply sodium sulfate mixed with water. Sulfates in which both hydrogens are replaced are called. Adi not specified was established at the 57th jecfa 2001. The most important chemical sodium sulfate production is during hydrochloric acid. Sodium sulphate manufacturers, sodium sulfate suppliers. We manufacture a standard grade product, for various end uses. The resulting solutions contain moderate concentrations of hydroxide ions and have phs greater than 7. Garrett provides a comprehensive overview of sodium sulfate from deposit formation, through processing technologies and usage. It occurs in nature as the minerals miabilite and thenardite. Sodium sulfate anhydrous is the anhydrous, sodium salt form of sulfuric acid. Sodium sulfate na2so4 or na2o4s cid 24436 structure, chemical names, physical and chemical properties, classification, patents. Garrett provides a comprehensive overview of sodium sulfate from deposit formation, through.
Sodium sulfate na2so4 structure, properties, and uses. Anhydrous sodium sulphate manufacturers, anhydrous sodium sulphate suppliers, anhydrous sodium. Structure, properties, spectra, suppliers and links for. It is made by a neutralization reaction between sodium hydroxide with sulfuric acid. The resulting sodium sulfate from these processes is known as salt cake.
Anhydrous sodium sulfate can be used in many detergents where it is a processing and water conditioning agent, a detergent builder, and provides alkalinity control. Salts, basic, such as sodium alkyl sulfates, are generally soluble in water. Sodium sulfate is the inorganic compound with formula na2so4 as well as several related. Sulfate also spelled sulphate in europe is any chemical compound containing the so 4 2ion related to sulfuric acid h 2 so 4.
In 1625, johann rudolf glauber discovered the sodium sulfate. It is one of the sulfites used to preserve dried food. Download amended safety assessment of sodium sulfate as used. Sodium sulfate is also available in reagent grades. Garrett provides a comprehensive overview of sodium sulfate from deposit formation, through processing. Sodium sulphate chemtradeasia your trusted partner for. Sodium sulfate na2so4 structure, properties, and uses byjus.
No evidence of systemic taxicity was seen in oral exposure studies in. Other hazards not contributing to the classification. It is an anionic surfactant used in many cleaning and hygiene products. Sodium sulfate thprepared at the 55 jecfa 2000, maintained at 57th jecfa and published in fnp 52 add 9 2001. Sodium sulfate, anhydrous safety data sheet according to federal register vol. Disposal considerations waste disposal methods chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. Sodium sulfate anhydrous disassociates in water to provide sodium ions and sulfate ions. Anhydrous, it is a white crystalline solid of formula na 2 so 4 known as the mineral thenardite. The monograph also details the following specifications and corresponding tests for verifying that a substance meets acs reagent grade specifications including. Sodium lauroyl lactylate is the sodium salt of lactic acid and an effective emulsifier widely used in foods. All forms are white solids that are highly soluble in water. It consists of a 12carbon tail attached to a sulfate group, that is, it is the sodium salt of dodecyl. Possibility of hazardous reactions not established.
The blend can be used for amide free and sulfate free shampoo, face and body wash. Bisodium sulfate sodium sulfate sodium sulphate anhydrous sodium sulfate, anhydrous salt cake dibasic sodium sulfate. Sodium dodecyl sulfate sds or sodium lauryl sulfate sls, sometimes written sodium laurilsulfate, is a synthetic organic compound with the formula c h 3 ch 2 11 so 4 na. Msds sodium sulfate aqueous solutions for ricca, spectropure, red bird, and solutions plus brands ecotoxicological information.
The hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents. Get here the database of sodium sulphate cas no 7757826, sodium sulphate manufacturers, sodium sulfate suppliers and exporters. The information in cameo chemicals comes from a variety of data sources. Sodium sulfate takes a high amount of energy to change from solid to liquid and goes through a second phase change at around 32 degrees celsius when it changes to the anhydrous form, which means. At high temperatures, it can be reduced to sodium sulfide 4. Handbook of deposits, processing, properties, and use will be the authoritative and uptodate distillation of all that is known about naturally occurring sodium sulfate, detailed information on formation, worldwide deposits, processing technologies, and usage over time. When it is oxidized, it is converted to sodium sulfate.
Final report on the safety assessment of sodium sulfate i sodium sulfate is used as a viscosity increasing agent in cosmetic formulations, at concentrations that are reportedly as high as 97%. This monograph for sodium sulfate, anhydrous provides, in addition to common physical constants, a general description including typical appearance, applications, change in state approximate, and aqueous solubility. In 2000, the panel concluded that sodium sulfate is safe as used in rinseoff formulations and safe for use up to concentrations of 1% in leaveon formulations original assessment identified as sodsul032016prev. Adding anhydrous sodium sulfate removes this water by forming the sodium sulfate hydrate, which conveniently is also a solid allowing it to be filtered away. Grossi, acoustic emission monitoring to study sodium sulfate crystallization in monumental porous carbonate stone studies in conservation 42 1997, p.
Assay, insoluble in dilute hydrochloric acid, carbon compounds, chloride, nitrogen compounds, sulfate, calcium, iron, potassium, and sodium. Sodium sulfate na 2 so 4 is a chemical compound that can be found as a mineral in nature or derived from certain industrial processes as a byproduct. It is a white, orthorhombic crystalline compound at ordinary temperatures. It is a white, crystalline solid, and is used on a. The chemical equation for this reaction is given by. Sodium sulfate is chemically very stable, being unreactive toward most elements at normal temperatures. These sodium sulphate manufacturing companies from india are known for its products quality.
Its chemical structure is orthorhombic or hexagonal anhydrous and monoclinic decahydrate. Sodium sulfate is known as an industrial chemical that is often called salt cake based upon its former synthetic source of reacting salt with sulfuric acid. Disposal considerations dilute with water, then wash the resulting solution down the drain with plenty of water if local regulations allow. Clear to slightly hazy yellow to amber viscous liquid. This reaction occurs because sodium sulphate is an electrostatically bonded ionic sulphate. Soda lake, california, is estimated to contain nearly one million tons of anhydrous sulfate. Sodium sulphate manufacturer exporter supplier in mumbai.
Chemical waste generators must also consult local, regional, and national hazardous waste regulations to ensure complete and accurate classification. Sodium sulfate, anhydrous, suitable for epa method 608, granular, reagent, acs is the sodium salt of sulfuric acid. It has a large number of uses, but as has happened before, this usage pattern has changed dramatically since the early to mid1970s. It is also hygroscopic, meaning that humidity and temperature may impact its flow. Sodium sulfate is the sodium salt of sulfuric acid.
Sulfate compounds are salts or esters of sulfuric acid formed by. Ou chemical safety data no longer updated more details irritant matrix scientific 097749. Magnesium salts of these types are also quite common and can be found in the same. It has many commercial applications, and is classified as a nontoxic chemical under normal handling circumstances. Sodium sulfate is generally freeflowing and crystalline in form.